1993 LS400 Electrical Problems
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Driver School Candidate
Joined: Sep 2014
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From: TX
1993 LS400 Electrical Problems
Ok, I have seen certain variations of electrical problems on the 1stGen LS400, but none that is exactly what I am experiencing. Hoping I can submit my problems to the gurus here and get a solution. Here goes:
At around the same time, the instrument display panel, telescoping steering wheel, and sunroof/windows all stopped working. The display panel will come on at random, but the windows/sunroof and steering wheel still don't function.
Has anyone else experienced all of these issues at once? I see a lot of info on the ECU capacitors needing to be replaced in order to solve the display panel issue, but would that solve the window issue also?
At around the same time, the instrument display panel, telescoping steering wheel, and sunroof/windows all stopped working. The display panel will come on at random, but the windows/sunroof and steering wheel still don't function.
Has anyone else experienced all of these issues at once? I see a lot of info on the ECU capacitors needing to be replaced in order to solve the display panel issue, but would that solve the window issue also?
Driver School Candidate
Joined: Sep 2014
Posts: 1
Likes: 0
From: Missouri
yes
I am also experiencing some what of the same problem. I am such an idiot, I hook up my battery backwards and now my windows and instrument panel doesn't work. I was able to get the windows working, with fuse #13. I have not been able to get the instrument panel working. I will need to run more test.
Pole Position
Joined: Jun 2014
Posts: 250
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From: NY
Check all fuses under the dash and under the hood.. Not just a visual inspection, sometimes there are really tiny breaks in the fuse and u can't see them with the naked eye..
If that's all good, check the trunk hinge wiring.. Sits on the drivers side near the tail lights if I'm not mistaken which I might b as I'm just relaying information I've read here on the forums..
The ecu caps should be replaced regardless of whether or not you think it's the culprit. I don't think they control the windows though.
If that's all good, check the trunk hinge wiring.. Sits on the drivers side near the tail lights if I'm not mistaken which I might b as I'm just relaying information I've read here on the forums..
The ecu caps should be replaced regardless of whether or not you think it's the culprit. I don't think they control the windows though.
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