Peterbilt 10 Pulse Speedometer Calibration

1 - This is a retrofit gear to allow the speedometer to function with 3. 5905 or fill our contact us form. In a global economy where many companies are outsourcing their manufacturing offshore, we take great pride in designing and developing everything in-house. Instructions. Nationwide Instrument Cluster Repair and Speedometer Repair. The speedometers read from 0 to 140 mph and feature a digital LED display with two resettable trip meters. Thanks for the usefull. When you see the method you wish to use, let go of the button and that function will be enabled. Re: Speedometer Calibration Hi Chris Using your suggestion, I operated the self diagnosys function and found out that using my old rev counter dial (0-7000 rpm) is converting the panel reading (0-6000 rpm)true. Convert your electronic automotive speedometer into a GPS speedometer with this GPS Pulse Antenna. This is a result of factory testing to insure optimum quality. The Final Drive in the tune is listed as 1. Find FORD F-250 SUPER DUTY Speedometer Recalibration Devices and get Free Shipping on Orders Over $99 at Summit Racing!. 3) Note the speedometer reading at a known 60mph (or 100KPH). The DPA-5 is the fastest, most rugged and most reliable Heavy Truck Dual CAN RP1210/J2534 compliant Vehicle Datalink Adapter available for Light, Medium and Heavy Duty Trucks. This vibrating is then picked up by the watch and it is measured. Pretty sure it's wired like instructed. Also, disconnect the positive battery cable to avoid contacting any "live" wires. 77 x “110% + 2” margin = Speedo speed of 86. i will go from id say 20 to 0 and when i am at 0 it still says im going 15 then ticks down to 10 then 5 then 3 the 0 after 15 seconds. Fits 95-10 Kenworth & 95-11 Peterbilt. Convert your electronic automotive speedometer into a GPS speedometer with this GPS Pulse Antenna. DP10001 UNIVERSAL 5 GAUGE DIGITAL PANEL **Before beginning the installation, read through these instructions thoroughly. The speedometer that includes a 2-wire sender is pre-calibrated to 8 pulses/revolution to match this sender. This Auto Meter Electric Speedometer is pre-calibrated for 50,500 pulses/mile. Why Your Car's Speedometer Is Wrong. Calibration is completed. How do i calibrate my speedometer after differential change - Answered by a verified Technician We use cookies to give you the best possible experience on our website. end of write up ---- the below is under construction under further notice. There is a chart in the freightliner service manual that formulates the dip switch settings. The dashboard of 1Bex has for some years used a VDO programmable speedometer, which I fitted for several reasons :-No stiff mechanical drive cable to get in the way behind the dash, and in the engine bay; No LR 'Wibbly Wobbly'™ speedo reading; Accurate calibration after multiple changes of gearbox, tyre size etc. Electronic Speedometer dia 80 mm with stepper motor. High quality "performance look" gauges feature the finest air core movements available, glare free lighting, stylish flat glass lenses, red pointers and polished stainless steel or gold bezels. The difference was 10% which is the amount my speedomter is off due to the addition of my 19. Using the expertise we’ve gained in developing specialized solutions for many of the world’s leading marine manufacturers, we offer a large portfolio of Speed, RPM and Rotational Sensors for the marine market. No matter what make and model you drive, your speedometer is definitely off. For Additional Support Troubleshooting assistance is available from our Service Department Monday through Thursday. Yellow Box Speedometer Recalibration Acknowledged as the world's best speedo recalibrator due to it's advanced features and tiny size, the Yellow Box corrects the speedometer and odometer of any vehicle that uses a hall-effect speed sensor to generate the speedometer signal. The gray wire connects to the vehicle speed sensor. A battery with minimum 5 amp hour rating is recommended. Drive 2 miles (4 kilometers) from the mile marker and promptly press and release the button to complete the calibration. Based on excellent reviews and long tread life (>100,000 miles) I have decided to go with BFG All-Terrain T/A KO, but havn't decided on a size. 10 2016-08-26 1. RETURN TO ZERO datasheet, cross reference, circuit and application notes in pdf format. AUtOCL Function - Automatic Calibration by driving a measured distance (1 km or 1 mile) 2. Goal: Adjust it so it reads close to actual speed. Telelfex P/N 9604276 is 8 pulse/rev, P/N 57010 is 30 pulse/rev. Tips on car buying, how to negotiate, and how to buy a car. It could be that you got a traffic ticket for speeding and you know that your speedometer was registering the speed limit. Clicking this will make more experts see the. I have a 1st gen 68 Firebird. (4) If speedometer dip switch settings are correct, replace speedometer (para 7-14). (Replacement units are either the 12-switch Beede or the 10-switch Ametek type. Only the SID number will display. 1% increments. I'd like to get it closer. As the title states, I've toasted two speedometers now, the R2 resistor has let go on two separate units. I'm having a very difficult time calibrating the speedo. These are simple, easy to read PDFs you can find on each code. Cable Driven Speedo Correction - Ratio Box. It works flawlessly. 2) Check the current speedometer calibration at a known 60mph (or 100KPH) by pacing a vehicle with a calibrated speedometer or by using a GPS. Carefully rotate the wheel 10 complete revolutions to get the pulse/10 revolutions amount. differential ratio has been changed, the speedometer needs to be recalibrated. All modern motorcycles have electronic speedometer. The Teltek digital speedometer gauge comes with an odometer and trip meter. In this example, the calibration code is 0011010010. Power unit 72. MPH speedometer or 4, 10, 11, 12 OPEN for a KPH speedometer). Search Results for Peterbilt Instrument Cluster on HeavyTruckParts. Drive Gear Teeth - The Number of teeth for the transmission; Rear End - Rear Gear Ratio (3. When the Pulse Ratio is thrown off, the speedometer/odometer will be inaccurate and corrections must be made. Please try again later. Briefly, the electronic speedometer was replaced some time back and never calibrated to the truck. I just changed from 3:55s to 2:64s. Cali-brate the speedometer by moving UP each. Does it work on simulator mode – It doesn’t look for the ECM code connected on the simulator, but manual search still can be done. Convert your electronic automotive speedometer into a GPS speedometer with this GPS Pulse Antenna. You can also skip all that and use a Dakota Digital SGI-5E, there are other brands of these as well. Do i need new speedometer cabels or do i need new speed censors? please help. Remove the speedometer head from the panel. field service bulletin 2969b was revised to revision c to update the regeneration information on pages 22, 23 & 25. how to recalibrate the speedometer on 92-96 ford f-series an Post by birdco85 » Sun Jan 03, 2016 10:15 pm So here is what I got for the conversion constant. Why Your Car's Speedometer Is Wrong. The drive gear is located on the transmission's output shaft. READING THE BORING SPEEDOMETER SUPPLEMENTAL-3-NOTES: The pointer may or may not move during calibration depending on the pulse count per mile If the speedometer hangs at calculating, this indicates one of 2 things: 1. 20 Speedometer Head Calibration. Chevy Dude 1,376,833 views. Ref: ELECTRONIC SPEEDOMETER CALIBRATION INSTRUCTIONS 1 ELECTRONIC SPEEDOMETER CALIBRATION INSTRUCTIONS PLEASE READ THIS FIRST BEFORE ATTEMPTING TO CALIBRATE THE INSTRUMENT 3 Options to calibrate:-1. Classic Instruments Electronic Sky Drive GPS Speedometer Sending Unit. You can also skip all that and use a Dakota Digital SGI-5E, there are other brands of these as well. The new calibration will be saved if no adjustments are made for 7-10 seconds. The DPA-5 is the fastest, most rugged and most reliable Heavy Truck Dual CAN RP1210/J2534 compliant Vehicle Datalink Adapter available for Light, Medium and Heavy Duty Trucks. It works great. Kenworth Electronic Speedometer CALIBRATION INSTRUCTIONS Three alternatives can be used to calibrate the speedometer. Speedo will exit calibration automatically and begin reading mph and milage. Kenworth Speedometer Calibration Cal… Kenworth Speedometer Repair Auto Speedometer Calibration Speedometer Calibration Gears 1 2 Related searches for kenworth speedometer calibration chart 2000 Ford Windstar TSBs | CarComplaints. Automatic Calibration by driving on a road with an exact distance of one (1) mile clearly marked or on a dynamometer. The odometer can't be changed. Actividad de Steve Kamego. Help is just a click away!. Threads Tagged with speedometer speedometer - Alfa Romeo Forum - Threads Tagged with speedometer - Page 3 You are currently unregistered, register for more features. 3 mm intervals, the speed and the distance can be. Give me a day or 2, I will dig out my shop manual and post a schematic of the wiring for ya. Need Peterbilt Instrument Cluster Parts? Check out 459 Peterbilt Instrument Cluster Parts for sale. Speedway GPS Electric Speedometer Sending Unit made by Speedway Motors, for as low as $139. Open a cluster, look at how pin 2 is connected (ground, connected to +12v or floating) and see from there. This speedometer will NOT work in your application. There is a chart in the freightliner service manual that formulates the dip switch settings. By the input of the known pulse-per-mile (kilometer) for the vehicle and sensor being used with the speedometer. show once every time the speedometer is powered up. Here is a screenshot of the output of the NMEA string received by hyperterminal. Free Shipping on orders over $35. the cable, the speedometer and the gear in the transmission, whether an automatic or manual. Happy Mini Motoring Bill. 3;70 ratio, 11rx24. Speedometer Doesn't Register. We help you find the heavy duty truck parts that you need. Pulling on the outside of the speedometer should remove it from the dashboard. All switches are preset to "ON" (ON=1; OFF=0). From concept and design to sourcing and production, ISSPRO is committed to delivering superior products that conform to the technical and operational expectations of our customers, and fulfill our own requirements for performance excellence. Be the first to review “Caterpillar C11, C13, C15 Truck Engine Troubleshooting Manual” Cancel reply Your email address will not be published. The precise gauge reads speed from your sensor ranging from 0 to 150mph. We recommend using a 3 Amp automotive fuse inline with the power wire to our product. I will use my calibration as an example to show how to do the re-calibration. The speedo reads 42 when I am doing 40 by GPS. For two wire pulse generators attached to a speedometer cable, attach one wire from the sensor to the speedometer ground and connect the other to the gray wire. 30mph, 60mph and 90mph). Yeah,you read it right the one that we use in car but only for 10$. The only time you might need a calibration box would be if you were trying to calibrate a late-model transmission to a factory electronic speedometer. Cars of the century have electronic dashboards with digital odometer displays. - Answered by a verified Technician. There is a small recall pushbutton in the center of the panel used to calibrate and read all of the data stored in the speedometer. description:. Is there something else I should change in the speedometer calibration to use the Dakota Digital 8K pulse Generator SEN-01-1? Speedometer Calibration '0411 PCM using Dakota Digital SEN-01-1? Help. The speedometer is an important part of the car engine as it indicates the speed of your vehicle while on the road. Note: Speedometer is designed to work with any waveform from 2Volts - 200VoIts. Pretty sure it's wired like instructed. Cut along the outside and inside of the enclosed template and tape it to the spot on your. The speedometer and odometer do not work all the other gauges in the cluster do #2. Gauge Check. For two wire pulse generators attached to a speedometer cable, attach one wire from the sensor to the speedometer ground and connect the other to the gray wire. Free shipping when your order includes this part. Then the new calibration is flashed to your truck’s ecm, resulting in 100% Code Free operation. You may figure out the hard way that it's time to calibrate your speedometer. - if the speedometer in every car I have ever been in - has morphed into something else? I have been wrong about many things in my life - but I am sure a vehicle speedometer measures the speed the car is going in MPH or KMH. We are starting with the most popular first, Cummins troubleshooting trees. To make this speedometer work on your MCI, you would have to have between 43 and 135 bolts evenly spaced on your hub. Idea: Intercept the pulse train sent from the sensor on the transmission output shaft and change the frequency by a specific (adjustable) percent, thus obtaining an accurate speed reading on the speedometer. Honda Civic: How to Re-Calibrate Speedometer. Once the interval is over, convert those pulses in to RPM and MPH. The pulse count is programmed at the factory. Highway mile markers work as well, but sometimes they can be off by as much as 1/10 mile. All rights reserved. When I start my two mile drive the digital readout does not show the pulse count. See Table 1 for pulse count values for all of the 2003 Big Dog models. As the title states, I've toasted two speedometers now, the R2 resistor has let go on two separate units. We all know a ticket is about the biggest buzz kill on earth! So if you're about to get bigger tires than stock or already have them installed, its time to calculate your true MPH. used to calibrate the speedometer at 24 MPH for manual operation. Repair of the speedometer on a Polaris Sportsman 500 4-wheeler Important: If you are at this page you probably have a Polaris with a bad speedometer which means that you can't put it in 4 wheel drive and your reverse override doesn't work. Your vehicle must be driven over a 1 mile markers or between a 1 mile course – either between highway mile makers or between a 1 mile. - Answered by a verified Technician. As of now it's running on a Seeeduino V328 with 2 stacked protoshields and a 20-digit 2-line LCD. SPEEDOMETER READING INCORRECTLY Now you need to know the speedometer calibration in the tune you are using. See Table 1 for pulse count values for all of the 2003 Big Dog models. Get the best deals on Car & Truck Speedometers for Peterbilt when you shop the largest online selection at eBay. Accordingly, since the signals were generated from the unevenness in the reflection at 2. My gauges are Classic Instruments gauges. These gauges are available in several styles to match your needs and tastes. use is restricted to 12-volt or 24-volt negative ground electrical systems. Testing Speedometer Signals Testing for a Speedometer Signal (Download PDF) One of the most common tech calls at Classic Instruments starts with, "My electric speedometer is not working!". All gauges have “Factory Default Values”, but those values can be changed to meet your require-ments. I too have a set of TPI Tech gauges and have had several problems with them, however none with the speedometer. J1939 Data Link Troubleshooting with a Calculator Why I use a calculator to troubleshoot a J1939 data link, yes I said a calculator. AUtOCL Function - Automatic Calibration by driving a measured distance (1 km or 1 mile) 2. 140mm speedometer for truck TD140AT - SinoGauge Products Made In China, China Manufacturer. Easily find what you need from 1,630,470 parts available. >I am wondering where the speedometer sensor is placed or how I can >find it? Depends what year and model car it is. If the signal is. peterbilt speedometer head 5_| Documentine. This GPS speedometer sensor kit features plug and play connectivity that allows for a quick connection to any GlowShift Speedometer Gauge. Therefore it does not calibrate or work. the speedometer readout (mine was reading 70 when the actual speed was 68 with new tires) look at the back of the speedometer and note the position of the 10 switches that are used to set the calibration of the speedometer. 5" Ricksons. However, these digital monitors don’t have a method to re-calibrate the device resulting in it being necessary to replace the devices pretty regularly in order to get an accurate reading of the blood pressure for the hypertension patients. take the cable loose from the transmission and chuck it up to the reversible drill and have a friend sit in the car. If there is no change in the display, reverse the connections to the speed sensor. PULSE Function - Enter a known pulse/distance ratio 3. It is triggered by the turning of the transmission shaft, sending a signal which increases or decreases in frequency with the vehicle's speed. The switches will need some math based on your tire size x revolutions per mile. Space for connector shoulder Connect the speedometer cable (5) to the pulse ge- 10. The 0-150 range is in-keeping with much newer cars although I will never reach those speeds. Easy to install and calibrate. Check for proper calibration using the calibration charts noted in the illustration. (By the way, thank you very much. You measure the time between pulses to calculate the rotation speed. Blog - Ram 1500 Speedometer Not Working – Diagnosis and Repair The speedometer and odometer measure the speed and the distance driven. Easily find what you need from 1,635,925 parts available. has designed and manufactured instrumentation and sending units for a wide variety of applications for over 60 years. It got me wondering how they might have done that. Easily find what you need from 1,630,470 parts available. Speedometer gears include both a drive and a driven gear. Also, if the vehicle's tire size and/. Product: Programmable Speedometer Description Calibration Guide Date March '10 Type: Electrical Issue 1 Calibration of the VDO ProgrammableSpeedometer is a relatively simple procedure. MAX LOAD 100,000lbs. Speedometer calibration: The speed calibration is adjustable by means of a 'potentiometer', a word that means a rotary electronic rheostat, in this instance a quite small one. Why Your Car's Speedometer Is Wrong. The calibration is performed over wifi particle functions and is saved in the emulated eeprom. The speed read far too low, so I bought a device called a SpeedoHealer. My tuner made an educated guess on speedometer recalibration. An eddy-current or air-drag speedometer patented by one of the pioneers of electromagnetism. The thermal conductivity and heat capacity of the gas affects the readout from the meter, and therefore the apparatus may need calibrating before accurate readings are obtainable. it is like using a speedometer without any numbers on it. When I checked the speedometer from my '79 SC against my GPS it seemed to be linear but about 5 mph fast. When the Pulse Ratio is thrown off, the speedometer/odometer will be inaccurate and corrections must be made. The instrument cluster speedometer, tachometer, fuel gauge, amp gauge, temperature gauge, are not working while engine is running. Replacement Auto Parts On Sale - New, Used and OEM Automobile Components Available Search our catalog of New, Used and OEM Automotive Parts. • In all cases you must start with the unit powered off. When the car was going 70mph, the speedometer would read 80 mph. Designed to fit Peterbilt models 2005 and older. Ford F100. Saved flashcards. 6) Drive the vehicle at exactly 30MPH using a GPS or pace car as a reference. it’s allowed to read up to 10% above the actual speed plus four or six. Speedometer and tachometer include Classic Instruments ZST™ for ease of calibration, and the ability to read pulse generator, vehicle speed sensor, or ECM signals. Mounting hole 140mm equals Tachograph. The calibration mode is selected by switching on the ignition while simultaneously holding the reset button for 3 seconds. Almost every word of this is wrong or misleading. Speedo will exit calibration automatically and begin reading mph and milage. The antenna receives GPS satellite signals and outputs the information to 8,000 or 16,000 pulse signal to your existing speedometer. has designed and manufactured instrumentation and sending units for a wide variety of applications for over 60 years. GPS speedometer senders hook directly to an electronic speedometer. Look around the back part of the transmission. AE got back to me and said they don't offer speedometer calibration for the vans either. Instructions. It may be damaged and water may come in. Divide this number by 10 to get the number of pulses per tire revolution. Since the gear tooth pitch is slightly different than OE, the service life of this gear is limited to less than 25,000 miles. FEATURES Halo turn signals and blue high beam in speedometer All necessary sending units included. The standard speedometer gets calibrated at the factory, however, it may eventually become necessary to undertake speedometer repair if it doesn't seem to be measuring speed and mileage accurately. 2) Check the current speedometer calibration at a known 60mph by pacing a vehicle with a calibrated speedometer or by using a GPS. A0 High Speed Gears - Speedometer Dip Switch Adjustment If this is your first visit, be sure to check out the FAQ by clicking the link above. If you drive your hot rod, even once in a while, then you depend on all of your gauges to be reliable and accurate. Measure twice and cut once. Troubleshooting. AutoMeter's Electronic Programmable Speedometer makes short work of both, providing an easy to install and easy to calibrate solution that will help keep your speed exactly where it needs to be. We Fix It Right or It's Free! 1-800-446-2880. Yeah,you read it right the one that we use in car but only for 10$. Place the speedometer in calibration mode by completing step # 3 above. 2) Check the current speedometer calibration at a known 60mph (or 100KPH) by pacing a vehicle with a calibrated speedometer or by using a GPS. The antenna receives GPS satellite signals and outputs the information to an 8,000 or 16,000 pulse signal to drive your existing electronic speedometer. Note: you cannot turn the speedometer back. VIN is 5TH311322. Almost every word of this is wrong or misleading. After many months of thinking about it, the time has come for me to buy some new tires. peterbilt dash panel,document about peterbilt dash panel,download an entire peterbilt dash panel document onto your computer. Now universally fitted to motor vehicles, they started to be available as options in the 1900s, and as standard equipment from about 1910 onwards. You then drive exactly 4km and stop the calibration. By continuing to use the site, you agree to our Privacy and Cookie Policy. It is just a counter that for every X number of pullses from the transmission it advances a gear one tooth. Electromagnetic forces produce the torque to deflect the needle. John Baxter Peterbilt’s owner-operator customers have a keen interest in taking the pulse of all their truck systems, says Todd Acker, Peterbilt’s over-the-road brand. To ensure proper calibration of the speed range selection, remove power from the gauge, change the selection setting, and reapply power to the gauge. A common way we use them here at SparkFun is to control dimming of RGB LEDs or to control the direction of a servo motor. Instrument cluster consists of electronic analog gauges, various warning lights, and optional tachometer. New Vintage USA, a manufacturer of aftermarket gauges, has just released their 1967 Series gauges in an easy to assemble gauge kit with looks inspired by the Muscle Car gauges of the 1960s, especially the 1967-1968 Mustang. ) Tire Height - Please use Inches when measuring. The calibration is performed over wifi particle functions and is saved in the emulated eeprom. 99 shipping. 3) Note the speedometer reading at a known 60mph. I had to pull the speedo apart to replace the odometer gear. power up the drill and if the speedometer jumps around and is unstable, the problem could be the cable or the speedometer. This feature is not available right now. I will use my calibration as an example to show how to do the re-calibration. Power to the speedometer must be OFF when making adjustments to the dip switches. Can operate up to 18hz. Mounts in the standard 2 1/16" hole which fits most dashes. Joseph Iuzzolino writes: I have an 84 XJ6 SIII with a speedometer that just stopper working the other day. Click on a location for more information. Our award-winning history of innovation and expertise ensures we provide quality craftsmanship as we serve our customers with knowledge and integrity. (Except Ford transmissions, Speedometer Calibration - How Speedometers Work Speedometer Calibration - Speedometer calibration depends on several factors. Each "pulse" it sends corresponds to a distance/speed which is then used by the computer and the speedometer. PULSE Function - Enter a known pulse/distance ratio 3. has designed and manufactured instrumentation and sending units for a wide variety of applications for over 60 years. A speedometer is a device that measures the instantaneous speed of a land vehicle. This feature is not available right now. The top picture is of the basic sensor in self-test mode. Joseph Iuzzolino writes: I have an 84 XJ6 SIII with a speedometer that just stopper working the other day. They do fail. The Speedometer will exit Calibration Mode automatically and begin reading MPH(KM/H) and mileage. Speedometer Calibration: Variables such as the vehicle’s axle ratio and tire diameter affect the accuracy of the speedometer. The fourth speedo was the charm, as it currently has over 60k and no problems. 92 940 Turbo here. The speed senders signal pulse range must be between. The gauge may be used for pressures between 0. Also, disconnect the positive battery cable to avoid contacting any "live" wires. We Build it Better - or we don't build it. Function “PULSE” - for entering a known pulse per km ratio. When the Pulse Ratio is thrown off, the speedometer/odometer will be inaccurate and corrections must be made. It works great. 900 series ametek dixson speedometer calibration for a full size school bus, 2002 Freightliner Thomas edition. The speed senders signal pulse range must be between. VDO Programmable Speedometers can be used with inductive,. Buy STACK Programmable Electronic Speedometer (KPH) from Rival Motorsport the UK's leading aftermarket car part specialist. What is the problem? What do we need to look for?. For example, if the speedo is 3 mph too fast, the number of miles on the odomenter would be accululating at that rate as well. - Answered by a verified Technician. Welcome to AM-AutoParts! We've all been to a parts website thinking, "I'm here to get a part that fits my car - this should be easy!" Thirty minutes later, you get up from your computer, without auto parts and dejected. In turn the microprocessor operates meters 12, 14 through respective driver circuits 30, 32. ST-201 gives a more detailed description of the internal workings of the speedometer, how certain variations and adjustments can effect the calibration, and how to make some coarse adjustments to the dial readout. Our award-winning history of innovation and expertise ensures we provide quality craftsmanship as we serve our customers with knowledge and integrity. To Calibration: 1. 0 Should I adjust: A) The VSS Pulse Per by the (new ratio/old ratio) or B) The VSS Tire Revs Per by (new ratio/old ratio). They do fail. In this tech article HIGH PERFORMANCE PONTIAC shows you how to hook up a cable-driven speedometer to an electronic-speedometer transmission simply with the Abbott Cable X - High Performance. 1% increments. Chevy Dude 1,376,833 views. Calibrating the speedometer with CAT E. If your speedometer is not accurately showing speed, check the sender (or speed source) and the wiring. The difference was 10% which is the amount my speedomter is off due to the addition of my 19. If the signal is. A question on tire sizes and speedometer calibration. 900 Series Speedometer. Working Subscribe Subscribed Unsubscribe 254. The appropriate interface adapter must be used to communicate with the vechicle. As with any brand of vehicle, Ford vehicles are susceptible to speedometer problems. Using the expertise we’ve gained in developing specialized solutions for many of the world’s leading marine manufacturers, we offer a large portfolio of Speed, RPM and Rotational Sensors for the marine market. 3) The green wire from the speedometer calibrator goes to the speedometer which needs to be calibrated. Check out this Truspeed Speedometer Recalibrator install on a Chevy Duramax truck, in order to adjust for non-stock tires, at Sport Truck Magazine. I think changing the sending unit gear might be the only viable option. This feature is not available right now. Find Speedometer Recalibration Devices and get Free Shipping on Orders Over $99 at Summit Racing!. Each "pulse" it sends corresponds to a distance/speed which is then used by the computer and the speedometer. 5 tall tires Tim - Answered by a verified Technician We use cookies to give you the best possible experience on our website. accepts no responsibility for improper installation. Work perfectly and looks really good and plus in the same old wiring harness and comes with bracket, screws, and instruction. For 45 years, Advance Adapters has designed, engineered, and manufactured unsurpassed Powertrain and 4-Wheel-Drive after market products. The top picture is of the basic sensor in self-test mode. The antenna receives GPS satellite signals and outputs the information to 8,000 or 16,000 pulse signal to your existing speedometer. Fault Codes (FMI) FMI / Description / Text Message. Calculate the Revolutions Per Kilometer (Mile) of the Transmission Output Shaft Back | Up Calibrate: Up TM-9-2320-312-24-2 Truck Tractor Yard Type: 46 662 GVWR. 8000 pulse per mile cruise control output Additional Benefits Three different calibration options Instant: drive 30 MPH and press the calibration button Real-Time: press and the hold the calibration button to match the speedometer reading to the actual vehicle speed Marked Mile: Drive a measured mile to calibrate the speedometer. Number 072-40285C The 10 DIP switches on the back of AMETEKs 900 Series speedometers must be set to the correct positions for the speedometer to function properly. Calibration modes as displayed on the speedometer's LCD. (By the way, thank you very much. You should be able to set the dip switch's indentical to your old speedo head. Read your speed easier! This digital speedometer shows speeds from 0-150 MPH.