Is your Kenworth T680 truck's instrument cluster giving you trouble? Aug 31, 2014 · Tach quit. This affects its ability to accurately monitor engine speed. Shut off engine and restarted several times the problem continued, the only gauges that had actual readings were the volt gauge and the tach other than that all gauges were pegged on zero. I was wondering where it gets its signal from for the engine rpm. tachometer receives its signal from. A couple times on the drive home, it would flip up to speed and then back to zero. Joined Apr 19, 2006 · 4 Posts . Anyone else have this issue or have any ideas on causes? Much appreciated. Look for your vehicle’s fuse box and check the one for the RPM gauge. Shop Interior Gauges and Accessories at Iowa 80. It had been giving him problems for awhile. Instrument panel and guages do not work. 1996 K3500 Dually (f code) -GEP motor with ARP head studs. Mar 23, 2007 · stereo broke power windows stopped working dome light comes on engine complaint electrical issue heater complaint transmission complaint paint defect Silverado recall. One that has me stumped right now is the tachometer not working. Odometer and info box (where cruise speed and time display) still lit. -HX40 compressor wheel,HX35 CHRA 14cm2 with a peninsular intake. Long story short I was driving down the highway when all of a sudden both air gauges dropped to 50 pounds the dinger and the lights on both gauges Nov 12, 2015 · I am reluctant to purchase another fuel gauge from Kenworth and not have it fix the problem . Contact Oct 18, 2011 · 1618 posts · Joined 2010. The tach was erratic just before it finally quit working and dropped all the way to the bottom of the display Kenworth W900 Speed & Tachometer Sensors | Raney's Truck Parts. Kenworth announced that it will offer the new 15-inch Digital Display system as standard equipment on Kenworth T880 and W990 models. I have a 2007 Kenworth T 800 electrical problem. 49. speedo and odometer are still not working. New batteries and she always fires up within 5 seconds. and a plug with the wires, you can change it out in 15 minutes. Sep 15, 2022 · Driving at your tachometer’s red area for long durations may lead to engine failure. Experience: Owned Operated Maintained MCI buses for over 25 years. … read more Jul 9, 2012 · 2000 Pete 379 odometer quit working. It has probably ten gauges for oil temp, coolant temp, tranny temp, pyrometer, rear end temp, etc. The engine serial number is 9GK64306. Buying Guides. Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. Kenworth Speed & Tachometer Sensors | Raney's Truck Parts. You can have one if you pay shipping. Kenworth Nex Gen Dash Issues 2022 23 You. I checked the fuses that I have access to, and replaced nearly all of them but it didn't fix it. Jul 13, 2022 · Solution: You can check to see if you have faulty wiring by using a voltmeter. it was working fine I welded on bed and I think that is when it quit. Where does an N14 Celect get its tach signal from? Before the tach would jump from normal to alittle under 500 rpms, now after a long run. The electric gauges will be fed data from individual speed sensors like the one on the tail shaft of the trans. The truck has been sitting for 2 years being started and warmed up a few times between now and then. This is a service to repair your original gauge, you are not buying a complete gauge. Steam Work Colored Dashboard Backlight W900 Aug 8, 2016 · View full post on Youtube. Check the heater box it should be held in behind a flat plate held in by 2 screws. 2006 Kenworth T800; Eaton 10 speed manual; cummins ISX 400ST Find many great new & used options and get the best deals for Vintage Classic Kenworth Mechanical Tachometer - K152-79 - 551BTN7 at the best online prices at eBay! Free shipping for many products! http://www. It will even happen when the truck is idling. Just ask the parts guy how many turns to back it out after it bottoms out, I can't remember, BUT I think its one turn. Nov 26, 2018 · 1998 Kenworth T2000 w/Detroit 60series. CALL H&H AUTO AT 864 895 4404 OR EMAIL US AT tachman@bellsouth. You can also use an ocilliscope (a better tool for testing the VSS). The speedometer on the '94 finally broke for the PO just before we bought it. at Raney's? 888-888-7990. Check Wire Connections. Jan 5, 2014. Mechanic's Assistant: I understand that you are experiencing issues with the tachometer, speedometer, and other components not receiving power in your Kenworth truck, and you need a wiring diagram to troubleshoot the problem; our truck Mechanic will be able to assist you with this. Flat Threaded Nested. 00. If the wires are fine, then the gauge itself might be damaged and may need to be replaced. Inspect the fuses. As a semi-truck driver, ensuring road safety and that your vehicle is in proper working order are two of your most important concerns. Can anyone tell me where the tach signal comes from? Some seem to think it's from the alternator, some think a sensor on the flywheel. AF8. 1990 tach not working. We have repaired hundreds of these with these issues. Jump to Latest Follow 1 - 5 of 5 Posts. If you find that your tachometer is off by a very small amount (such as 2 to 400 rpm), consider what you are comparing it to. Feb 17, 2013. I am working on this 95 Kenworth with a M11 cummins engine. Carlisle, PA. I stripped the wires coming from the truck, and mated them to the new male plug in, and put in the new speedo sensor, and no luck. Keep your engine idling and then test the wires with the voltmeter to see if there are any inconsistencies. To end, turn the ignition switch to OFF, or vehicle speed exceeds 1. The only gauges that work are the tach, speedo, air pressure, and oil pressure. I checked to make sure it is plugged in and it is. Jul 16, 2015 · Electronic are fed data by the engine over a datalink and this has to be with an electronic engine, not mechanical. This is the larger 5 inch gauge most commonly seen in different Kenworth models. In an older vehicle, it may fail to work because of wear and tear. Specials. Coincidence or not, my alternator has been acting funny along about the same time. A damaged connector or worn-out sensor can also cause tachometer problems. Thank you for any help. Have already checked all fuses and instrument cluster checked. 2016 Pete 389 w/ cummins. Truck is 06 w900 with a CAT engine and 18 speed eaton trans. #11. Derek-. Richard Warren. At Iowa 80, we understand that truckers rely on gauges to measure a variety of systems and keep systems running smoothly. #2 · Oct 18, 2011. … read more Jul 6, 2013 · Yes I agree. Stainless Sd Tachometer Dash Panel Trim For 2006 Kenworth W900 T800 C500 Berube S Truck Accessories. Aug 15, 2011 · smokedog Bobtail Member. from $239. I couldn't find a sensor in the flywheel housing . Once driving however the speedo does nothing. Aug 26, 2014 · I have a 2007 Kenworth T 800 electrical problem. Truck is a 1995 FLD 120. #1. We have the solutions for you. High Quality Speedometer Gauge * This Part Number Has A Red Display / Picture for Style of Gauge Only * Switches From Miles TO Kilometer With The Push Of A Button * Range Is 0-150 MPH / Odometer And Trip Meter * Range Is 0-240 KMH / Odometer And Trip Meter * Designed To Work With MAG Sensor * Easy To Install & Calibrate * Mounts In A Standard 5 Inch Or 5 Inch Hole * Gauges Built With Quality Nov 30, 2017 · A wiring diagram allows you to identify all the components of a system and the direction in which electricity flows. Dec 13, 2013 · I'm working on a 97 w900 with 3406e. First thing I did was swap the gauges with known working ones to rule Dec 22, 2011 · I have a 1994 Freightliner FLD 120 with a 3406E Cat engine. They work when I hot wire them. Noticed when I got home my trip meter and odometer not reading what is should have. Knowledge of the sequence of electrical Mar 3, 2022 · 2001 T800 Kw Tachometer Wiring Diagram. So I got a new (used) known to be working gauge cluster from War Wagon here. Pulled it into the shop, problem went away and has not returned. -Diamond eye exhaust. 99% of the time it was zero. VIN-***************** Only code we are getting for CECU is not communication with ecm and abs via Vcan. Aug 21, 2020 · Speedometer works but odometer does. Aug 16, 2010. It's also a great time to Jan 28, 2012 · Driving down the highway your fuel gauge will show less fuel then you have if the sensor is on the drivers side. have signal @obd port. Click to expand 336-273-2881. com : Car complaints, car problems and defect Jan 5, 2014 · 39. This is fairly common on some GM vehicles, particularly mid 2000s pickups. Freightliner. Any ideas?? Jan 19, 2021 · I need some help with this the tach has never worked on myb94 kenworth w900 12. 5 mph. I've got a 1998 GMC Topkick with the Cat 3116. It only moves between 0 and 500 and sometimes acts dead. Feb 15, 2018 · Had truck in the shop had the DPF cleaned at 498k miles now at 500k plus so no more warranty, got the truck back and now the tach reads 450 with key off and 2000 at 65 mph actually 1250rpm. ANY PARTS INSTALLED BY THE TACHMAN CARRY A 2 YEAR WARRANTY WITH EXPERT TECH ASSISTANCE! Aug 21, 2017 · Hello All, I have a new to me, 2001 Silverado 1500 2wd with 165K miles on it. One source mentioned was: US $20. Any help with this problem would be greatly appreciated. Mar 13, 2019 · I’ve been working a 2012 kw t800 for Fedex that has an inop speedo. Most often the speed sensor is the problem but sometimes I find the problem in the harness. it costed me $56. Jul 22, 2023 · AF8. Aug 15, 2022 · Kenworth T660 W900 2006 Plastic Wood Look Air Conditioner Brake Empire Chrome. I am working through various bugs and broken things this weekend. However on my daily k100 1984, I've lost the speedometer and tachometer as in the needles don't move at all. Message format. I bought a new speedo from is pro but the KW plug is different than new speedo I can wire the supplied harness to existing wires in dash … read more. The batteries all show good ground, but when I turn the key off and close the doors, once the Feb 11, 2014 · I'm in a 2013 Peterbilt 587 and the back panel lights on the gauges aren't lighting up, can't see any of my gauges at night now. One single sensor at the tailhousing near the spud shaft and u joint and another one (or two?) that come from the black box at the bottom. 7 but my speedometer does my sensor on the tail of my transmission is a4 wire speedo sensor I don't have a bell housing sensor where can I start to look for the problem I switched out the tach with a extra 1 I have laying around that work and it still doesn't work any help would be much appreciated May 4, 2016 · 11 posts · Joined 2016. I noticed that my cab is not grounded by using my power probe. A quick backstory on this is that the engine is possibly not the original engine and has a "1987" rebuild date tag on it along with the Oct 23, 2011 · My speedometer will be working fine, then randomly just jumps up or down. I have installed the tach into other trucks and it works and have tried other tachs in this one and they don't work. Free shipping. lead colors out of sensor are yellow/black and red/black. The only way to know for sure if this is the cause of a speedometer failure is to have a trained technician test and diagnose the entire system. This issue is spontanious and doesnt happen all the time. The instrument cluster begins its self-test. Push and release the Sel/reset button button 3 times repeatedly. Unplug the sensor, connect the test instrument leads to the VSS, and Dec 23, 2015 · I have a 2007 Kenworth T 800 electrical problem. Why Shop. Volts read zero, coolant and oil read 150 F even with the truck off. My question is 1 am I testing the Kenworth fuel gauge the correct way . If they can't, let me know. (note: when using a magnetic flywheel sender, the sender is non-polarized so it does not matter which wire is connected to the tachometer S terminal and which is connected to ground) expressed or implied warranties, including any implied Terminal Description + Switched power (12v) Mar 9, 2021 · Mar 09, 2021 | KIRKLAND, Wash. Also do you have any wiring schematics for the tach. Speedometer works but odometer does not. This sensor is located on the transmission and can become contaminated with metal shavings or oil over time. Aug 18, 2018 · - none of the instrument panel worked including speedo, tach, any other guages (except for my radio, cb) - pto would not engage - power windows did not work, nor did the power mirrors - no ac, however the fan would blow air - no interior lights when the door is opened (however the overhead lights worked at the little pushbutton switch) Jun 13, 2013 · I have a kenworth t600 the low air alarm works normally with the truck running but with the truck off and key on it will not work … read more. I have ohm tested the wires from ecm to tach and they are good there is 12 volts and ground at 2006 Kenworth t-800 tach not working. Mechanic's Assistant: What's the make/model/year of your truck? Engine type? 2007 kenworth w900 c15 cat engine Within 5 seconds, release the Sel/reset button. Not surprising after 20 to 30 years. 2016 Pete 389 interior/cecu problems. rhinosprinkles · Registered. The last few months, the tachometer in my '98 Classic, with a Detroit S-60, has been acting very speratic. Your mechanic can easily perform this test for you. First test all your fuses on both sides for power with the key on and if any have power on only Aug 9, 2015 · 2012 t800 blower fan not working JohnIC posted Jun 1, 2024 at 9:05 PM. 5 gets its signal from the alternator, check the wires to and from, fuses and have the alternator tested it may be bad. The light on the jake and cruise buttons, as well as the speedometer and other gauges. The 2003 Chevrolet Mar 23, 2022 · If your vehicle is a newer model, your RPM gauge may not work well because of damage to the LED display. 4 out of 5 stars 42 Jul 19, 2023 · Tachometer Not working! - Simple Fix (Capacitors) If your Tachometer is not working (mine was completely dead) and you have checked all the wiring chances are that the electrolytic capacitors on your tach board have dried out and failed. The tachometer isn't working in the dash. Sometimes, corroded wire connections and breakage may be the reason for the tachometer not working. I have a 2006. Oct 20, 2009. Next on the list is the tach. If this is the case, the wires will ohm good. The one for the tach is usually in the bell housing. Sep 14, 2020 · 6-Gauge Vehicle Instrument Kit: White Face, 3-3/8" Mechanical Speedometer & Tachometer, 2-1/16" Fuel, Temp, Oil & Volt Gauges, Stainless-Steel Bezel, Incandescent Lighting, Easy Installation 4. I am getting power at the speedometer and when I turn the Nov 16, 2017 · Mechanic. Kenworth. Tach worked fine yesterday, started the truck today to move it and the tach isn't working. when I start it I hear clicking coming from lower center firewall area and speedometer rocks back and forth pegged to right and 35 mph. Check the tachometer wiring section in the car manual. or Best Offer. Drilldo. Jun 22, 2021 · Kenworth 2016 cluster gauges not working. The tach has been intermittent since having the truck lately it hasn't been working much at all. That whole cluster isn't working. Feb 5, 2011 · Does a 2001 w900l speedometer have a cable or is it on a wire and sensor? Anyway, been hearing a clicking noise while driving coming from the dash where the speedo is. covington, ga. Being 16 years old and 165K+ miles, it has it's share of gremlins that I am slowly fixing. Average repair cost is $500 at 56,550 miles. May 9, 2020 · Dash cluster gauges went out 2007 w900 sent ecm off had checked checked out good all fuses are good . The dash lights don't work, the tachometer doesn't work, the speedo doesn't work, the fuel gage is stuck on 3/4. The Heavy Truck Mechanic I'm going to connect you with knows all the tricks and shortcuts. i have a 97 kw t600 and the rpm gauge is struck on 1000 rpm while off or on and sometime it move up to 1500 rpm slowly while the truck is at idle or driving what can it b or where to start looking at to fix it thanks for yall help. The red warning lights on all gauges were lit this morning. Feb 17, 2013 · Fullerton, CA. Maximize. 0. speedometer rest at 35 mph occasionally will rock around to 85 then falls back to 35 mph what coulf be causing this 1991 freightliner with m11 cummins, roadranger 9 s … read more SUV Car Digital GPS Head Up Display Gauges Overspeed Speedometer Warning Alarm (Fits: Kenworth T800) $31. I would test the harness first before replacing the speed sensor. Enjoy our hassle-free online checkout or call to speak to an expert. Texas. Who can test the dash cluster. 00 and it came with the sensor and the male plug in with three wires. On my 2007 Kenworth T600, I have a/c problems. Model: 849 Make: Kenworth Engine #: 27161992 Engine: Cummins; NTC350FFCRX Tachometer: Stock; electronic. High side reading is 250 psi- low side stays around 90-100 psi. It will also jump around. Here’s where I’m at with it. 1996 kenworth t800 heavy trucks america fitzgerald glider kits 2004 w900 t a sleeper truck tractor in monahans texas united states truckplanet item 6271109 i have 2001 t800b isx475 engine the sdo is not working can you send me signal flow from 2006 day cab cat c15 475 hp 10 sd manual wet kit sunroof for speedometer and tach not working. The speeometer works and is accurate but the odometer and trip odometer will not work. If hadn't come back on before, I would have assumed a fuse. High side. 0 volts, identify which connection is the problem, and correct it. R. Solution : If it's been determined that an electrical problem is at the Jan 13, 2020 · On the HR forum there is a current thread about replacing the LCD, if that is all that is needed. I have a 98 w900 that I just bought. I've ran out of options and am completely stumped. Drove the truck up the road to see if it would start working again at speed Dec 27, 2013 · Kenworth t300 odometer not working. 10. Catliner, Nov 14, 2014. locknuts have distorted threads or nylon rings that stop a fastener from backing off completely after becoming loose. I took mine apart and replaced the two capacitors and it fixed the issue. I have replaced the speedo sensor with no luck. You need to set it for A/C, because the speed sensor generates an alternating current type of signal, and shouldn't be over 5 volts, so be sure to select the lower range. SOURCE: Location of heater blower motor resistor on a 2007 Kenworth t300. Apr 5, 2022 · 2016 kenworth t660 has a problem with primary brake air gauge and fuel gauge has no lights and does not work, it was working sometimes then it just stopped completely. Satisfied Customers: 370. What Some Warning Lights Engine Codes Really Mean. Any ideas on a fix for this? Kenworth High Quality Tachometer Gauge * Red Display * Range Is 0-8000 RPM * Designed To Work With MAG Sensor * Easy To Install & Calibrate * Over Rev Warning Light Can Be Programmed To Light When The Engine Reaches A Set Point * Displays Peak RPM Reading * Mounts In A Standard 5 Inch * Gauges Built With Quality You Can Trust, Backed By 29 Years Of American Design And Manufacturing * Gauges Include The 2006 Dodge Ram 1500 has 3 problems reported for tachometer not working properly. number on wire is P52AF **. Answered in 45 minutes by: Technician: Nich M. with truck running I can lightly touch tach If your Kenworth Gauge Panel has an issue with an inoperable buzzer/chime. Stepper Motor. 1998 W900L 3406e Cat. I have a pile of them. What is the best way to test to see if the signal is getting to the connector at the back of the tach to see if the tach is in fact defective, without replacing the tach first. Kenworth’s Digital Display provides a significant DO NOT USE AN ALTERNATE GROUND! By doing this, you will be looking at what the tachometer sees for power and ground, combined. Jun 25, 2020 · Hello, new to posting. Nov 10, 2017 · Check with your Dealer first! If not covered under warranty, most reputable Speedometer Repair facilities can service it for you. The gauge cluster just stopped working. Here's a pic of the back of my trans. comPlease SUBSCRIBE-~-~~-~~~-~~-~-Please watch: "Vehix411 APP for all your genatic, manufacturer spacific trouble codes and oil reset" ht Mar 13, 2019 · The Tachometer works on all and so does the speedometer so I know that's not the problem. This will cause more fuel to go into the right tank and give you a false reading. If you measure below 12. chassis S325135. I remember that the cluster worked without issue earlier this year, but now, nothing. Posted on Jan 26, 2017. This is an instrument cluster repair service for 2013 - 2020 Kenworth T680 trucks to resolve common issues with these instrument clusters. 3 is there another way to test a Kenworth fuel gauge . The highway is not flat and in the right lane you will be tilted to the right. Peterbilt. The tach on the 6. This next part is for you geeks!!! Nov 4, 2010 · I JUST replaced the speedo sensor with oem parts from the dealership. Send it to us for a fast reliable repair. I've tested the power connection to the speedometer pulse wire that connects into the final drive and there doesn't seem to be any power at all. Called back to the shop and they said "nothing we did, would cause that" Feb 17, 2024 · The most common cause of Toyota tachometer failure is a faulty engine speed sensor. It will kick the cruise off when it happens, and when it happens under load I can feel the motor kind of lug. Jan 9, 2024 · need Kenworth wiring diagram tachometer and speedometer and other components stopped getting power. It looks like there could be 3 sensors but at the very least 2. chassis S3251 … read more Feb 10, 2019 · I posted this earlier in the trucks forum, but didn't find the answer. #3 · May 15, 2016. 2009 kw T800 tachometer isn't working in gauge cluster Speedometer not working. By that I mean it'll be accurate for awhile, and then just hang low around 500 rpms while it is actually running 1500. Jan 30, 2010 · Hi all, This is on a 1998 T800 but the T600's and W900's are the same I believe. 1985 Freightliner Flc120, 3406b cat stock was 400 hp model, 15 speed RR. 17 be in the positive signal and 11 be in the negative signal as shown in the diagram. I have read various threads about the instrument cluster and assumed that was the issue initially. Aug 15, 2011. Jun 25, 2016 · need Kenworth wiring diagram tachometer and speedometer and other components stopped getting power. Each successive press of the Sel/reset button initiates a new cycling of all the gauges. Some GM vehicles may have a bad stepper motor that drives the tach needle on the instrument cluster board. Since you've got your cluster out, make sure you remove any dust using compressed air and clean the clear plastic using a microfiber cloth. The technician is a friend who provided some idea and also called Ford Engineering on the issue. Usually around 5k rpm. Hi Jeff my name is***** will be glad to try to help. SPONSORED. Nov 16, 2017. Oct 1, 2013 · 2007 Kenworth T800. Thank you. 2 do other Kenworth fuel gauges test out this way or do they read full when tested this way. Sep 28, 2009 · Nov 26, 2006. In the 2006 Kenworth T300, the wiring diagram covers a wide array of components, including the engine, instrument groupings, air systems, lighting system, gauges, and many other components. I should have one close to your miles. The volt meter, oil temperature and coolant temperature gauges in the cluster to the left of the tach stopped working all of a sudden. Sep 22, 2023 · Year: Unknown (est late 1960's - early 1970's). 16 37% OFF|Speedometer / Tachometer LCD display for Kenworth trucks / VDO international/ VDO cockpit vision/ Jcb tractor / Volvo penta boat-in Car Monitors from Automobiles & Motorcycles on AliExpress Ok I have 4 leads out of sensor and only 1 sig connection on tach head 1 set of leads has 1285 ohms the other 906 it is putting out 1 volt while running. So I started checking grounds and I noticed that the cab, frame and starter grounds all show 0. Oil pressure gauge does work and all the gauges do light up. Have you checked the fuses related to the This is the simplest task when troubleshooting a tachometer. A classic symptom of a loose wire connection is erratic display of readings. chassis S3251 … read more Oct 27, 2017 · The causes of an electrical failure could range from a short-circuit, to a blown fuse, to a physically damaged control module. BillyGT said: I took the GT to my Ford Dealer and had the Tach checked out. When the key is turned on the gauges including the speedo have power because I see the needle go from bottomed out to “0”. 5 W900 (it has the new style gauges) My primary, secondary, and brake application gauges are all messed up. Ecm and abs not communicating with computer. vehix411. When you see a blown fuse, then this is the root of the issue. Aug 16, 2010 · 112. 699. Thompson, GA. All "Stepper Motors" in the Instrument Cluster should be replaced at the same time as the OEM versions are prone to ultimate failure. Toby, Owner/Operator. Turn the key on and the needle goes up to 1500, start the truck and it drops to zero and stays. net AND WE WILL REPAIR YOUR FORD TACHOMETER. Jan 30, 2012 · To test it you need a volt/ohmmeter. 4. 25 volts. The tachometer doesn't work. Category: Medium and Heavy Trucks. These two are AF4. I am having erratic issues with the tach, speedometer, and cruise control. All other gauges work … read more 2 days ago · Joined: Nov 2015. He tells me the tach needs to be replaced:ack He goes to the parts counter and get a quote at retail: $2700 (part only Apr 19, 2006 · Tach Not Working - newbie. Was: $39. Common symptoms may include: Primary/Secondary air gauges sticking, inoperable, or giving incorrect readings. it will be on the J one connector pins 11 and 17. The fully digital, high-definition Digital Display is already standard on the recently launched Kenworth T680 Next Generation. Product Details. IT may not only be broken, but it could also be rubbed into something and shorting out the signal. Nichols Speedometer in Greensboro,NC. CarComplaints. Inaccurate readings. I'm starting with replacing spark plug wires but that won't take long. Kenworth T800 Tachometer, P/N K152-505-1 for sale. The vin is 979081. Oct 22, 2015 · So now, once again, driving along and dash lights go out. Please use the pre-paid shipping label we E-mail you to send us your gauge! Make sure to package it carefully, with plenty of packing. The tach is not working at all. Posted by Anonymous on Dec 27, 2013. > Commercial Truck Forums > Kenworth Forum > Style Truckers Report-V3 - Revisions. Answered in 2 hours by: Technician: Toby. Typically, there are 5 or 6 dependent upon whether or not you have a Tachometer. May 14, 2017 · Likes: 179. Thoroughly inspect the wiring harness and connector pins for corrosion or damage as well as test and verify for high resistance in the wire or for open circuits doing a continuity check with your ohmmeter. Jan 24, 2013 · I seen a rebuilt one offered on KC Truck parts website for $345 but I'd like to have mine repaired if I can. Fits ’89-’05 Kenworth Models T300, T600, T800, W900r 5″ Kenworth Replacement Speedometer Repair service offered for other Kenworth and heavy duty manufacturers’ vehicle instrumentation and gauges. Sensor? Speedo head? SINCE H&H AUTO IS AUTHORIZED FORD/MUSTANG SERVICE, WE CAN REPAIR THESE TACH'S QUICKLY AND AT AN AFFORDABLE PRICE. Bluegrass. Feb 13, 2007 · it has a jam nut, as i stated above. 2548 Answers. Posted 7/21/2015 19:21 (#4692357) Subject: Kenworth gauges not working. The tach will work correctly at times, then it will jump and hold at a lower RPM. Received 161 Likes on 49 Posts. Fits Kenworth 2006-2016 W900, 2008-2017 T800, 2005-2007 T600 Oct 4, 2023 · Hi, Iam working on a 2005 kenworth t-300. smokedog, Oct 19, 2011. tried tach from doner truck still no tach. 59. mooipilekikhyeqlgapu