1998 Dodge Durango

Tiny
JENNYB0178
  • MEMBER
  • 1998 DODGE DURANGO
  • V8
  • 4WD
  • AUTOMATIC
  • 130,000 MILES
My abs and brake lights both recently came on, 2 days after my brakes were visually inspected by a trusted mechanic (a cousin who happens to be a mechanic). I have no speedometer until I hit 40 km/h, once it's there, it works perfectly. The same is true on deceleration. You go from 60 to 50 to 40 to 0. The problem exists whether it's in d, 2, or 1. And it doesn't change if you turn the overdrive off. Any suggestions?
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Thursday, July 29th, 2010 AT 5:46 PM

5 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Sounds like the sensor on top of the differential Test with an ohm meter it should be between 1600 and 2300 ohms if not replace it, if it is, you next step is to have the code(s) read at a garage that can scan it, or you will start throwing money away!
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Thursday, July 29th, 2010 AT 6:43 PM
Tiny
JENNYB0178
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  • 4 POSTS
Where is the sensor on top of the differential, and what is this sensor called?
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Thursday, July 29th, 2010 AT 10:51 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
It's called the rear wheel speed sensor, look on the very top of the differential for electrical wires, it will take you right to it.
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Friday, July 30th, 2010 AT 6:39 AM
Tiny
JENNYB0178
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  • 4 POSTS
Will that also fix my broken speedometer?
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Tuesday, August 3rd, 2010 AT 9:12 AM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
I think you should drive to autozone, have them scan the codes, they do it for free, post all codes here. That will give me a better idea about the speedometer.
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Tuesday, August 3rd, 2010 AT 6:16 PM

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