Gauges not working 1998 Jeep Wrangler - JeepForum.com
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post #1 of 9 Old 05-09-2019, 07:05 PM Thread Starter
Gary1223
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Gauges not working 1998 Jeep Wrangler

Yesterday while driving my 1998 Jeep Wrangler the speedometer, oil pressure, and temperature gauge stopped working. I turn my vehicle off turn it back on and they begin to work again. Later in the day it stopped again and have not worked today. My tac, fuel and battery gauges work fine. I have checked all the fuses, the ground on the engine block, both side speakers ground wires and under dash ground wire and everything is grounded. I pulled off the cluster checked all the pins nothing was broken everything was clean.. Any help would be appreciated. Thanks for everybody’s time

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post #2 of 9 Old 05-09-2019, 07:26 PM
mukluk
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Does the cluster pass a self test?
  • With the ignition off, press and hold the odometer trip reset button.
  • Switch the ignition on while still holding the trip reset button, then release the button after about two or three seconds.
  • The cluster will run a self test procedure where each gauge will move to specific values, lamps test, and the odometer display will count through (see attached).
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post #3 of 9 Old 05-10-2019, 04:56 PM Thread Starter
Gary1223
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Thank you. I tried it. The speedometer, oil, and temp did not move at all. On the left side the tac, fuel, and battery all moved. Thanks for your input. Any recommendations ?
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post #4 of 9 Old 05-10-2019, 07:16 PM
mukluk
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Most likely your instrument cluster is bad. To be thorough, make sure you have good continuity to ground at the green cluster plug pin 9 (BK/LG wire) and at pin 6 (BK/LG wire) of the grey plug. Also check for constant battery voltage at pin 9 (PK/WT) and ignition switched battery power at pin 8 (DB/WT) of the grey plug.

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post #5 of 9 Old 05-10-2019, 07:30 PM
Rubi4MyMrs
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It does sound like the cluster & may “just” be a burnt out spot on the printed circuit board. It would be worth pulling the cluster & carefully inspecting the board. If you see a bad spot you might be able to fix it or have someone with that kind of experience do it.

Here is an example, different problem but caused by a bad spot on the board that he fixed.

https://www.jeepforum.com/forum/f9/ho...issue-2913730/
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post #6 of 9 Old 05-21-2019, 05:23 PM Thread Starter
Gary1223
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Thanks for everybody’s input. I ordered a used one online and received it today. I hooked it up and everything works perfect. So it was the cluster that went bad. Thanks again!
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post #7 of 9 Old 05-21-2019, 05:47 PM
mukluk
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Appreciate the follow up, glad you got it fixed.

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post #8 of 9 Old 05-21-2019, 06:58 PM
2jhanna
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Gary, isn't your odometer mileage wrong with the replacement cluster?

Just wondering !

Also, did you examine the circuit board of the old cluster for a burned trace?

I am multi-talented, I can talk and piss you off at the same time.

jhanna
denton county, tx
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post #9 of 9 Old 05-24-2019, 07:13 PM Thread Starter
Gary1223
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Yes, I can not find anything burnt or out of place. Thanks again for all your help.
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