Tachometer and batter gauge not working - JeepForum.com
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post #1 of 2 Old 02-01-2013, 05:52 PM Thread Starter
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Tachometer and batter gauge not working


This is my first time posting on this forum. I have a 1994 jeep grand cherokee, automatic, 4 by 4 with 220 xxx km. the vehicle has abs, power windows and doors and part time and full time 4 wheel drive with 4 full time low. However, I have used the vast knowledge base to help me with my jeep constantly. Yet, In My searches I have not found this answer specifically . I have recently taken out the gauge cluster to replace some bulbs ( which I haven't gotten to yet) and as I was removing the cluster a pop and a small amount f smoke produced. As i was doing the job in parts I drove it with my dash open and noticed that my tach and battery gauge were flat lined. So I looked online and checked the fuses all good. I tied pushing in the odometer reset button and putting the vehicle into the on position ( I read that can reset it possibly) and have removed the gauge cluster to see if I can see anything bad. The wiring harness seems good, as well as the back of gauge cluster on the printed circuit. I found nothing wrong so far. So I was wonder if anyone has run into this problem and if changing the cluster is my best option or what? Please and thank you in advance and I apologize for anything ignorant I wrote or left out. Any help would be great full

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post #2 of 2 Old 02-01-2013, 07:48 PM
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Join Date: Dec 2008
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Originally Posted by mykola View Post
as I was removing the cluster a pop and a small amount f smoke produced.
Sounds like you let the magic smoke out.

You can use your sniffer to tell if it came out of the panel. If it smells burnt, you need a replacement.

Before you install the replacement, disconnect battery.

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