speedometer and other problems
#1
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speedometer and other problems
need help not a mechanic but gonna have to be.
1. speedometer jumps back and forth kicks overdrive out
2. pushed trip reset button lost trip meter and milemeter
3. cruise wont work.
4. 4x4 light does not come on when activated
5. steering worn out rebuild kits last month or two looking for new shaft
1992 3/4 ton cummins 2 door automatic 341,000 miles
1. speedometer jumps back and forth kicks overdrive out
2. pushed trip reset button lost trip meter and milemeter
3. cruise wont work.
4. 4x4 light does not come on when activated
5. steering worn out rebuild kits last month or two looking for new shaft
1992 3/4 ton cummins 2 door automatic 341,000 miles
#2
If you try and reset the odometer mileage meter while truck is in gear and under way you can break the delicate plastic gears for it. Gear assembly is on speedometer head and can be rebuilt at home with instruction available on th net.
4X4 light may be a burned out bulb in dashboard.
Jmping speedometer may need lubrication.
Cruise may be a bad vacuum hose or connection.
4X4 light may be a burned out bulb in dashboard.
Jmping speedometer may need lubrication.
Cruise may be a bad vacuum hose or connection.
#3
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Here are some good instructions on how to repair the odometer.
https://www.dieseltruckresource.com/forums/showthread.php?t=128685
This is the cheapest place to buy the odometer gears.
http://www.ebay.com/itm/Dodge-Plymou...a580d3&vxp=mtr
https://www.dieseltruckresource.com/forums/showthread.php?t=128685
This is the cheapest place to buy the odometer gears.
http://www.ebay.com/itm/Dodge-Plymou...a580d3&vxp=mtr
#5
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thank you for your help. the speed indicator has quit now or bumps up to ten mph sometimes. Also I was told you could put an override switch in to lock the overdrive in how is this done
#6
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The reason your OD and cruise control, and your speedo aren't working is because they are not getting a signal from the VSS. This could be from a bad VSS, bad connection to the VSS, VSS not being driven by the transfer case, or some bad wiring.
4X4 light could be bulb, 4X4 switch on T case, connector to the switch, or bad wiring.
OEM steering couplers are a common problem. Replace it with an aftermarket steering shaft.
4X4 light could be bulb, 4X4 switch on T case, connector to the switch, or bad wiring.
OEM steering couplers are a common problem. Replace it with an aftermarket steering shaft.
#7
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I was told that you could wire a override switch to lock the overdrive in. The person that told me said he just needed a switch and some wire but can't get him to ever answer his phone. Can I do this myself and if so how do you. thank you
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#8
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Here is a write up I did a while back. You can substitute a regular on/off for my fancy switch set up.
https://www.dieseltruckresource.com/...ight=retaining
https://www.dieseltruckresource.com/...ight=retaining
#9
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speedometer gears replaced every thing looks ok and checked gears after I put it together. Still no speedometer so I ordered a new speed sensor hope this works any other thoughts. 4x4 light fixed
#10
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You might check the hole that the speed sensor shaft slides into. Mine stripped out so I pressed some epoxy into the hole and then inserted the sensor shaft and pulled it out to form a new square hole. Once the epoxy had cured and hardened I re-assembled everything and the speedometer works great. The speed sensor shafts can round off and spin inside the hole which can round off the inside of the hole.
#11
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You might check the hole that the speed sensor shaft slides into. Mine stripped out so I pressed some epoxy into the hole and then inserted the sensor shaft and pulled it out to form a new square hole. Once the epoxy had cured and hardened I re-assembled everything and the speedometer works great. The speed sensor shafts can round off and spin inside the hole which can round off the inside of the hole.
I just lost my speedo/OD again. I've replaced the VSS a couple of times, but this time it didn't fix it so I'm wondering where else the problem could be and figured it might be something at the transfer case.
#12
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I had the intermittent speedo problem and when I put on a new VSS the speedo didn't work at all. After I epoxied the inside of the gear ratio adapter/reducer and formed a new square hole it worked fine. As I previously mentioned the inside of the hole that the VSS shaft slides into can round out.
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