I have changed out the TG sensor on the head and checked the plug-in wire. It was OK. What do I need to look up next ?
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Engine temperature gauge not working on 87ZX
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Latest update: I have traced the problem to the wire up under the dash. On another site, the guy said I could just take out the dr's side seat, get under the dash from the floor, and take a pencil eraser and clean off the points on the gauge. I know this is the point of my problem because I can reach my hand up to the gauge and it starts working OK. Sadly, it will not keep working. It only works correctly for a few seconds and then quits again. I cannot even see the gauge or the wires that go to the gauge because of all the clutter in that area under the dash. I have also cleans up the old wire on my old plug-in- so I can identify the correct wire assembly under the dash. I was hoping that I could fix this issue without removing the dash. Any body have any idea what my next move should be? This car that I bought has a lot of Gremlins- which I have identified and fixed. I have 3 left, including this temp gauge one. It also looks like I am going to have to change out my climate control module and the rack and pinion as well. Fortunately, I have a part car with a good R & P-so I will not have to lay out a tidy sum for a rebuilt one. Any ideas and encourage from you guys would be extremely helpful at this point.
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Jerry now that you know the trace find a mechanic that cna fix it for you. I am not a senior but at 6' 195 I don't fit into the lower part of my car very well under drivers side but my 5'5" 145 mechanic he can crawl in there and easily do the job. Or find a wiry kid that can listen to your instructions.
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No, I have not been able to fix it yet. I have located that it appears to be the wiring from the sensor to the gauge under the dash. I was able to get it working for a moment- but it quit and I have not been able to proceed with further investigation. There are so many wires and steel supports under the dash that I cannot see the actual guage by looking up under the dash. I read somewhere else on the internet several days ago about a guy that was able to fix the issue with a pencil eraser and cleaning the points on the gauge. Unfortunately, the guy did not indicate clearly how he did this fix. Using a LED flashlight and a mechanic's mirrow was no help. I sure want to fix this issue without dropping the dash- if possible. This guy was able to fix the issue without dropping the dash. Anybody on here had this problem ?
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