Picked up a 1990 wheelhorse 520h recently and noticed the tach wasnt working at all. The motor was running fine, and probably around 3500 RPM's based on my 25+ years of boating. Proper wiring of the VDO Programmable Tachometer with typical ignition systems ˘ˇˆ ˙˘ ˝ˇ ! "˙ Diagram F Fine adjustment of the VDO Tachometer when used with an alternator Compare the VDO Tachometer reading with that of a reference tachometer. Master Craft Lumber Forklift Manual. Once the alternator starts to charge it will generate its own current and wont need the ALT idiot light current. But after that nothing, it will not move at all. Then after 10 min everything went to normal. #2 Engine light suddenly came on and will not go off. 9 F350 Tachometer is not working. Tachometer stopped working this summer (needle doesn't move at all). Great Lakes Skipper is proud to present an assortment of Medallion boat gauges at low prices. Since getting the car, the tach has gone from sometimes not working when the car is cold to not working at all. Gauges are not working 2000 mastercraft maristar - Answered by a verified Marine Mechanic We use cookies to give you the best possible experience on our website. I am fixing up a 2009 Kinroad 150cc scooter and the tach is not working. I tried a few other brands and this Mastercraft seems to be the most nicely built and compact. d without an adapter box. I would recommend , like any other bench vise, to oil or a little grease on the main screw, the out side main screw where the turn handle meets the main body. You Will Get Signals. I have a 2003 Crownline with a 4. Product Updates. It just stays on 0 all the time. When I've been on the highway doing 100+ km/hr for 30 minutes, it will slowly start to rise, but never above ~1500. The tachometer on my 1991 Goldwing 1500 SE is not working. Also does anyone have an idea how to check if the problem lies with the Tacho sensor or the head. Everything is original. If the tachometer needle doesn't go to zero when powered up, the tachometer is not grounded properly or. Proper wiring of the VDO Programmable Tachometer with typical ignition systems ˘ˇˆ ˙˘ ˝ˇ ! "˙ Diagram F Fine adjustment of the VDO Tachometer when used with an alternator Compare the VDO Tachometer reading with that of a reference tachometer. What should I be looking for that may be disconnected to read computer. I am still not sure if the fuel gauge works or not. Of course, our test boat was loaded. When my tach went out in one of my E30s (it's been a while, I don't remember which one) it went intermittent like this, where it wouldn't work, but I could sometimes revive it by tapping on the face. Worked for a while and then it stopped working again. I recall that the GM factory tach wants to see a 'sawtooth' sinewave (because of the capacitance), the msd is a squarewave so the 'filter' adds the capacitance to create the sawtooth signature. #2 Engine light suddenly came on and will not go off. The speedometer has similar symptoms: The needle fluctuates, sticks in one position, will not return to zero, will not register past a certain speed, reads slow or fast, the odometer does not register or it also just does not work. A tachometer is a good addition to any vehicle equipped with a manual transmission. How to wire them all together to make the original Tachometer work now is what I am after advice on. The filter might work if you connect the tach to the 6AL tach output - not the hei. speedometer & RPM gauge not working - My van would not start so I recharged the battery. MasterCraft was founded in 1968 when it built its first ski boat in a two-stall horse barn on a farm in Maryville, Tennessee. Boat rpm gauge not working keyword after analyzing the system lists the list of keywords related and the list of websites with related content, in addition you can see which keywords most interested customers on the this website. 23mm Marked: Saitama Japan Nagashima Seisakusho Reverse is marked: HAND TACHO METER NAGASHIMA SEISAKUSHO ASAHI NO. Some modern electronic instruments also use an analog needle rather than a digital display. It finally just quit altogether, is this just a sending unit, fuse or some oth. tachometer not working. Check for availability. If this is your first visit, be sure to check out the FAQ by clicking the link above. We are always listing new tractor parts online for many different tachometer models, and parts not listed in the catalog yet may still be available by requesting a tractor part quote from us directly. Easy to install and requires no cutting or splicing. Mine was an earlier one with a 4A motor (they later came out with a more stylish castings model with a stronger motor). I got an a/m replacement from Fast Eddie. Does anyone know what might be happening here, is there some trick to this hook-up?. 57, Innovate wideband, Firm Feel upper arms, torsion bars, springs and strut rods, QA1 DA shocks. not 100% accurate but pretty close. Is this true. Tachometer visual will attempt to position the label indicating target value such that it does not overlap any Axis Labels or Callout values. This requires an additional purchase for the customer…not very cool! All of our tachometers use our 'Smart Pulse' ™ technology. Certainly there are actually a ton of sites to go shopping from on the internet, yet you have chosen our web site and we value this highly. Two weeks ago, check engine light came on and I took the car to AutoZone and I have a code read P0430. You can see it on the top cut a way drawing on page 220-05-1 in your manual. Tachometer will operate with other OEM electronic engine ignition systems. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. The 2006 Dodge Ram 1500 has 3 problems reported for tachometer not working properly. I am still not sure if the fuel gauge works or not. When the VDO Tachometer reading. pennh2o Senior Member. The web's best place to buy OEM MasterCraft boat, Ilmor and Indmar engine parts and Accessories. working with an authorized MasterCraft dealer is your best bet. MasterCraft Perfectpass Boat Gauges. It's a Drag Specialties tach. I know there is that canon plug near the back of the motor that sends alot of the info to the dash but the other multi-guage is working with no problems. Rpm gauge not working It will sometimes read 0 then it will show like 6000 Rpm when my aftermarket tach show like 3000 rpms. The boat still ran fine, just didn't know what the actual temp and oil press etc. The longer you wait to clean up spots the harder it will be later down the line to get them off. From 3G and Baja RS models to Proseat and PWR seats we have a full line of automotive seats designed with safety, performance and comfort in mind. The wiring that ran to my alternator ran thru a corrigated plastic tube. I installed a OER tachometer in my 69 Camaro which did not come with a tachometer or gauges. An OEM tachometer may not have such an adjustment. Use a screwdriver to unscrew the tachometer from the dashboard it is attached to. This boat has been garaged kept. We are always listing new tractor parts online for many different tachometer models, and parts not listed in the catalog yet may still be available by requesting a tractor part quote from us directly. Its like it floats and moves around is not correct. The instruments have been tested singularly on another boat and they work perfectly. #2 Engine light suddenly came on and will not go off. If so, this HEI Tachometer Signal Filter will be required to gain RPM readings. I have a 2004 trailblazer v6 with 40k, I just noticed that the tachometer is not working. This is topic Tachometer not working in forum Garage 2002-2009 at Spec Miata Community. Registration is quick and easy and will give you full access to the site and allow you to ask questions or make comments and join in on the conversation. FOR SALE - Los Angeles, CA - Is the speedometer, gas guage or tachometer cluster on your truck or SUV not working? ALL 2003 2004 2005 2006 Suburban, Silverado, Sierra. Safety Restore has an Instrument Cluster Gauges Repair Service that includes the tachometer rebuild you are looking for. 0L Gen-III Hemi, Viper T56 w/9310 gearset, 3. In order to be able to post messages on the Snowmobile Forum: Your #1 Snowmobile Forum forums, you must first register. the truck will not start when I disconnect it starts up just fine. Now starts fine but speedometer and RPM gauge not working. Several years ago (with another car, not even Subaru) I got the tachometer wire being eaten by an animal (something lik a rat, I do not remember the name). A tachometer is designed to gauge the engine RPM, or revolutions per minute. They are not going anywhere and sit by the wiper motor. Next, you must determine where to mount the tachometer and which optional mounting brackets, if any, you need. I’ve basic care maintenance, air filter, spark plugs, oil change and all of that taken care of. 04-16-2012 08:31 PM #1 They do not go out AFTER the car is started, typically I can tell when I start the car if they will work or not. It looks OK. Hit a pretty big bump, and that was the end of the gauge. Last season the tach was acting up - needle would jump around. Can someone please explain where do I have to look, what to check? The temp gauge is working, the speedometer also and fuel gauge a. Disconnected the battery and that didn't fix the issue either. any suggestions are. Replacing the MMDC will erase the hours. System controls well in RPM mode, but not smooth in speed mode. This episode was featured on PowerBoat Television. Didnt happen the next day, but the following day it did the same thing. In the case of the Kawasaki VN900D Vulcan 900 Classic LT Cobra tachometer, you needn't buy a special adapter for it to work. After installing in my car everything works except my tach/rpm gauge,is this run seperately to something else and what should i check to fix the problem?Thanks!!!. We went out in our 2000 Mastercraft 205 today for the first time this year. pdf), Text File (. Steve (Handymans342) , allow me to disagree with U , Egypt now is not dangerous to tourists , unfortunately the American Media is deliberately giving the American people a totaly wrong idea about Egypt. When under way the needle will stabilize at a normal reading of 3,000 to 3,500 then spike repeatedly to around 5,000. This is a 2002 Mastercraft Prostar 197 boat and trailer. Turn off the engine and prepare to remove the tachometer if the reading is non-existent or clearly not accurate. Master Craft Lumber Forklift Manual. Check behind the. If your gauge is reading 0 it may be the engine is not on, or the gauge does not work properly. Hi I have a Mk6 Fiesta and have recently noticed the tachometer does not work on startup - when it is has been wet! After a few miles and the car has warmed up, it starts working. Disconnect the boat’s battery from the boat wiring if the boat runs with one, using a crescent wrench to remove power wires from the battery terminals. Just bought a used 1998 V6 B5 Manual Transmission. My superchip said there was nothing wrong go figure. Extech strobe-tach photo tachometer models are easy to use for visual inspections as well. I recently purchased a 1990 GL1500 SE trike. generation Rams that have the 4-wire connector below the dashboard, as well as the. The tow tower should be used only for water skis, wakeboards, or recreational towables and not for parasailing, kite flying or towing other boats. Trouble Shooting All Suzuki 4-strokes, DF40 and larger, will. In my Jeep CJ-7, I didn't have one of those rare factory tachs so I chose the Autogage Tachometer 3-3/4 inch with an 8,000 RPM range in a black finish to be mounted on the steering column of the Jeep. Tachometer not working You can put it on a computer and send signale to simulate rpm to see if it is the gauge. Tachometer Repair and Restoration. Battery is charging nicely. Buy Here Pay Here Program Available on Late Model Low Mileage Cars. What should I be looking for that may be disconnected to read computer. Each regulator has a grey wire that can provide a tach signal. * KI "W", Induktiv. If the tachometer reads too low, then the switch is selected too high. Any suggestions? Tacho testing without a running engine. But my tachometer isnt working. The car does seem to hesitate at times happens about 2 to 3 times per day. A tachometer is a good addition to any vehicle equipped with a manual transmission. I read somewhere something about a similar case where there was a bad ground connection. I used lithium grease in there and shes almost as steady as when she was new. (No Trucks) - Instrument cluster (speedometer, Tachometer, Break & ABS light) is not working - Instrument cluster (speedometer, Tachometer,. This should fix your problem as those connectors probably havent been moved in around 15 years(and will be dirty). System beeps to confirm engagement, but continues past set speed and does not control. Second day of owning my Dart, my RPM gauge was not working. The boat started fine and all other accessories operate but for some reason the dash has no power. Yamaha's 1100 Drag Star replaced the firm's long-running 1100 Virago in 1998. You may not always see our instruments, but with some of the most sophisticated vehicle information and instrumentation systems in the industry, and a range of products that are rugged enough to survive on a military HMMWV (Humvee) and heavy construction equipment, or with innovative styling for your boat or RV, Faria Beede Instruments, Inc. Everything else on the instrument panel works. Product Updates. Boat rpm gauge not working keyword after analyzing the system lists the list of keywords related and the list of websites with related content, in addition you can see which keywords most interested customers on the this website. Hello, I'm heaving trouble reading my R7 360 2gb OC fan speeds using afterburner 4. My mechanic thinks it might be a bad ground wire causing the problem, but he's not sure. I read somewhere something about a similar case where there was a bad ground connection. If the ALT light circuit is bad (fuse or relay or bulb or bulb contacts) then the alternator will not have the current it needs in the field coil to start charging. They having no clue and ordering a new one in hopes of fixing it is not a good sign that your shop knows what the hell it's doing. I bought a distributor on ebay and Im still waiting for it. You crank and crank and crank but it just won't run. GM is out of stock on tach filters. No speed reading. Display does not power up. Vintage Asahi Hand Tacho meter Tachometer Nagashima Seisakusho Not working Description Old Asahi Hand Tachometer Nagashima Seisakusho Not working Vintage Asahi Hand Tachometer IMPORTANT: ITEM NOT TESTED - sold as is Size: Diameter is 70. If you have a tachometer, first remove 3 sender wires from the speedometer, remove tach's gray sender wire and attach to "S" terminal of speedometer. Tachometer does not work. The speedometer stopped working months ago (a different story for a different postcondensation issue). The controls vary from one drill press to the next, but there are a number of ele­ments that remain largely the same. Adding a tachometer to your boat's instrument cluster allows you to. The boat still ran fine, just didn't know what the actual temp and oil press etc. The check engine light is on, so i went to Autozone for a diagnosis. The tachometer and temp gauge does not work. Hey, I bought this car last month and got around to changing the bulb in the gauge cluster and noticed that even with the new bulb, the tachometer or RPM gauge doesn't light up but everything else lights up just fine. mercury outboard tachometer and speedometer not working? my boat has a 1995 mercury 90HP outboard. © 2013 A&A Marine, Manistee, MI - +1 (231) 723-8308. Pulled the fuse for the gauge cluster and that didn't help. From 3G and Baja RS models to Proseat and PWR seats we have a full line of automotive seats designed with safety, performance and comfort in mind. One, if it does not work at all it could be the sending unit or the tach itself. Hi everyone, I am rebuilding a first gen gsxr750 1985 model and am having trouble working out how the grip comp, rear p# 43980-27A01 fits. If the ALT light circuit is bad (fuse or relay or bulb or bulb contacts) then the alternator will not have the current it needs in the field coil to start charging. Displayed speed not correct. Got in and started it, all was good. speedometer works but only like 50/50? and tachometer never works. 03-26 RPM gauge not working. This might be a good place start. When installing the new alternator, there is no way to connect the 2 supressors which bolt into the rear of the old alternator. The hours are 235. No dealers please. Still no tach. Is this an easy fix?. Buy a genuine Mercury Quicksilver or aftermarket part. The speedometer stopped working months ago (a different story for a different postcondensation issue). So I performed a tachometer board swap in the cluster with a board from a mid-90's V6 Camry. If your boat tach reads outside of that 10-percent range, high or low, and the shop tachometer's connections and settings are proper, you have a problem with your tachometer. All looks OK with wiring. If the ALT light circuit is bad (fuse or relay or bulb or bulb contacts) then the alternator will not have the current it needs in the field coil to start charging. lua is not in that folder but it is here E/FSX/MODULES this is where my fsx is installed, yes I installed the a2a interface per instructions for 2 pcs, the rpm gauge was working before installing the a2a interface but did not match the a2a 172 panel. Needle was sitting at 1k, and now reading 1k over actual. In the case of the Kawasaki VN900D Vulcan 900 Classic LT Cobra tachometer, you needn't buy a special adapter for it to work. take the tach off and try crimping the clips and clean the leads behind the tach. Sir can you please send the complete HEX file to my e-mail address [email protected] By doing so, they can diagnose any problems that are going on. Tachometer will not operate on a MerCruiser with Thunderbolt I (early 1970's era, but will operate on subsequent models) or an IndMar LT- 1 electronic ignition. This episode was featured on PowerBoat Television. 7L MEFI 5 Service Manual - Free ebook download as PDF File (. I have read various threads about the instrument cluster and assumed that was the issue initially. RE: ISSPRO tachometer sensor kit Can I purchase the magnets separately? I have the kit but no magnets. MasterCraft MDC Box. This boat has been garaged kept. If your boat does not already have a tachometer installed, you're only getting a partial picture of your boat's performance. Check out our Ebay store (kenyon and sons) where we have a huge selection of industrial, electrical, lab equipment, and supplies available. Choose a location that does not impair visibility,or interfere with driving. The speedometer has always worked until this year and the tachometer has never worked. (No Trucks) - Instrument cluster (speedometer, Tachometer, Break & ABS light) is not working - Instrument cluster (speedometer, Tachometer,. Part number 4478. This easy-to-use hand held digital tachometer measures up to 99,999 RPM and features a large LCD display, laser pointer, low battery indicator, and memory recall for the last displayed value, minimum value, and maximum value. Make sure your tach is working and that the charging system is working. Sadly i'm not with the boat for a few weeks now so might be a while before I can revert back with results just trying to come up with a list of things to try!. Mercruiser 5. Re: 1999 Cadillac Catera Speedometer and Tachometer not working Did you ever figure this out? I have same problem - about every 8th engine start the tach and speedo don't work although speedo vibrates slightly around zero. The existing control unit also works perfectly. There are many reasons why an engine won't start. 8 out of 5 stars 6. In my Jeep CJ-7, I didn't have one of those rare factory tachs so I chose the Autogage Tachometer 3-3/4 inch with an 8,000 RPM range in a black finish to be mounted on the steering column of the Jeep. Engine light came on for a few days and RPM gauge stopped working properly; then light went off and gauge worked okay for another couple days. I believe that is because the installations were faulty. My tach is a 0-4000rpm, with digital hour counter and inductive pickup from alternator. All other gauges are good. We did managed to flatten the battery when we had problems starting after changing the fuel filter. My problem now is that my RPM gauge is not working anymore. Use a screwdriver to unscrew the tachometer from the dashboard it is attached to. Discuss 1985 W123 300D (Federal) Tachometer Issues - esp. Needle was sitting at 1k, and now reading 1k over actual. Do not tow more than two persons at one time on a tow tower. Licensed Ford, Jeep, GM & Hoonigan gauges. Please note that if you have a problem opening the PDF files just by clicking on the link, please right click your mouse button over the file name and select "Save Target as" to your Desktop. 1) Speedometer - The speed sensor may be faulty. I've had the issue with the starboard tachometer showing erratic readings for many years without really addressing it. Display does not power up. , all work fine, but the tachometer is not working. Is there a way to test the grey wire to read if I'm getting pulses before I order up a new tach. RE: ISSPRO tachometer sensor kit Can I purchase the magnets separately? I have the kit but no magnets. I am restoring a 72 Chevy Truck, I am having trouble hooking up my stock tachometer to a new HEI distributor. There are many reasons why an engine won't start. I've checked fuses but I didn't see any burnt fuses and I know the Vehicle speed sensor is working because the speedometer works. The filter might work if you connect the tach to the 6AL tach output - not the hei. Of course, our test boat was loaded. My kit has the number ISR8901, which I purchased locally. I changed the junction box and they still didn't work, finally i connected the cables directly to the gauges and still nothing. Our range of automotive tools consists of screwdrivers, pliers, hex keys, spanners & more!. I have a 2000 ford ranger 4. The speedometer has similar symptoms: The needle fluctuates, sticks in one position, will not return to zero, will not register past a certain speed, reads slow or fast, the odometer does not register or it also just does not work. Aside from the lack of information, it was annoying not to have Zero Off control the speed (I added ZO and had to swap out the engine computer). I have the haynes manual but the wiring diagrams are not very helpful because there are none specifically for the later years. 1) Speedometer - The speed sensor may be faulty. Than the temp gauge quit. Tachometer Signal Filter will only work with GlowShift Gauges and not guaranteed to work with other applications. what can cause the rpm gauge not to work? it was working fine the other day but i started messing around trying to fix my tps and now my rpm gauge does not work when the bike is on. System beeps to confirm engagement, but continues past set speed and does not control. the one that is on right is been hold by 2 bolts instead of three. Mastercraft air compressor. RE: ISSPRO tachometer sensor kit Can I purchase the magnets separately? I have the kit but no magnets. If anyone has. If your speedometer is not working, it is probably the speed (distance) sensor. From 3G and Baja RS models to Proseat and PWR seats we have a full line of automotive seats designed with safety, performance and comfort in mind. I know there is that canon plug near the back of the motor that sends alot of the info to the dash but the other multi-guage is working with no problems. See our Ordering Information page for information about ordering over the phone, and our current shipping and return policies. Re: mastercraft fuel gauge not working dhester, I'll bet your sender is stuck down. Next bypass silver tach filter or capacitor located by manifold to see if the tach moves at all. What makes the speedometer and tachometer stop working? Answer. FYI, the hour meter does not work either. Jim Email: [email protected] The other gauges continue to work. usawaterski. You can see it on the top cut a way drawing on page 220-05-1 in your manual. No longer available from MC. The tach is hooked up to +12vDC, Ground and one of hte signal sources listed above. Tachometer visual will attempt to position the label indicating target value such that it does not overlap any Axis Labels or Callout values. In the event that you are considering Mastercraft Speedometer Boat Parts, you have come to the best place. tachometer not working. A classic symptom of a loose wire connection is erratic display of readings. It works worst with engines with the exhaust sound very muted and mechanical noise engines (air cooled engines). I check the wiring and every seems to be hooked up right. My friend just bought a 1999 Sunsetter LXI with a monsoon motor and the rpm gauge does not work. With an energy-saving core and fiberglass construction, these doors not only add beauty to your home's exterior, but they also save you money. The Cruise Control does work perfectly. The tach does have a maximum RPM mode and it knows the time and can thereby keep track of run hours. I know where the wire is that connects 1973 240Z Tachometer not working - GeneralZTalk. Posted on Oct 21, 2009. i have a 1972 240z i'm not sure why it's not working but does anyone have a diagram or picture of where the wires go from the back of the tachometer? i checked but no luck doesn't the tach wire goes to the distributor if i'm not mistaken?. Some of the gauges went to the limits and othere went to zero. (86mm) hole in the dashboard. If the tachometer needle doesn't go to zero when powered up, the tachometer is not grounded properly or. Since engine replacement the tachometer doesn’t work. The mechanic told me it happens quite frequently in the area, and on every car he repairs, he inserts the new cable in an extra flexible tube, which protects it. Refer to chart on the next page. @ser_gtr thanks iwill try it and yar yesterday morning it was working perfectly fine but in evening when i start the car rpm gauge is not working but overall car running perfectly fine, do you know where is rpm/camshaft sensor is located in 5afe engine or correct me if i wrong camshaft sensor controls rpm or whether it have cam sensor or not. If anyone has. Squirt some oil down the cable is the lazy way of doing it but be careful not to get oil in the back of the tach or it may stop working. this update improves the performance of your chrysler tachometer and allows you to use m. I looked at the housing that connects the tachometer and engine, and found a metal wire running within it. There are many reasons why an engine won't start. The speedometer stopped working months ago (a different story for a different postcondensation issue). The tachometer worked, but the previous owner had a ton of wiring issues under the dash. A tachometer is designed to gauge the engine RPM, or revolutions per minute. CAUTION Position the tachometer in its specific lo-. Master Craft Lumber Forklift Manual. all other gauges are working properly also. i have a B20B non vtec installed and it is running a 97 ls non vtec ecu i believe. Second day of owning my Dart, my RPM gauge was not working. Discussion in 'Troubleshooting: Bugs, Questions and Support' started by Nicolas Vidas, Jan 13, 2016. If your vehicle falls between these years, verify this is the type of ignition system in your vehicle. How to wire them all together to make the original Tachometer work now is what I am after advice on. Design, customize and price online anywhere. Displayed speed not correct. The car has been maintained by Lexus and I have all the service records. Since the tacho is only counting sparks it was easily cured by taking a feed off the coil direct to the instrument and ‘hey presto’!. Taken out of my son's taco when did a full cage. I took them off very carefully and plug it in and still not working. As for the tach, it could be a loose connection. I have a 73 240z, my tachometer does not work, i have checked all the wires around the ignition coil, i have a spare tach i do not know if it works though, but i tested it directly on the coil and could not get it to move at all, i do not know which wire i should be looking for on the coil it seems as though there are more than the 2 that the manual idicates, help would be awsome, thanks. I traced these two wires and finally decided to pull the whole dash and instrument cluster. The longer you wait to clean up spots the harder it will be later down the line to get them off. Proper wiring of the VDO Programmable Tachometer with typical ignition systems ˘ˇˆ ˙˘ ˝ˇ ! "˙ Diagram F Fine adjustment of the VDO Tachometer when used with an alternator Compare the VDO Tachometer reading with that of a reference tachometer. Everything is original. I just took the wire labeled tach (dont remember color) and tapped into the yellow wire with he blue stripe and grounded the black wire. Re: Tachometer not working It sounds like you have the hot wire wired to a switch for start only. 9 F350 Tachometer is not working. Finishing up my 5pw swap into my 4xv chassis. 99 FREE SHIPPING in the U. All my searches for tachometer issues came up with threads about adding aftermarket tachometers. if its hot out or even warm about 78 degrees or higher and you drive for about 45 minutes to an hour then shut it off it will no. I know there is that canon plug near the back of the motor that sends alot of the info to the dash but the other multi-guage is working with no problems. But my tachometer isnt working. 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - RPM Gauge not working - One day while the truck was idling the rpm gauge quit working. I put a plug on the dimmer and got the cluster lights to work and dim. This is regarding a 1999 Deere 4100. I believe that the voltage should go up with the rpm. I would run the boat and disconnect each regulator one at a time.