|06-09-2016, 09:21 PM||#1|
Noob [Needs 25 to Sell]
E30: IX Touring
Join Date: Oct 2012
Fuse 21 issues!
I have a 88 IX touring, and I am having an electrical issue that is driving me insane. I haven't gotten too far with it despite hours of troubleshooting and my interior being completely disassembled.
I will start with the symptoms, I was driving over a bumpy road at the cottage that was covered in snow and ice. I actually ended up getting stuck because the bottom of the car was on the icy snow. Anyways, I was unstuck with about 2 hours of digging and pushing. Everything was great except my tach became erratic along with the radio. Then about a week later I lost the OBC and the Radio and Tach both completely quit. So now I have no tach, no OBC, No radio and no interior lights (which I just noticed).
Now I am at the stage of troubleshooting. I grounded the multi meter at the battery and went ahead testing. Firstly I started with the Radio constant 12V, which gave me a reading of 3ish Volts. So I thought maybe it was the fuse so of course I confirmed it was fuse 21 by removing it, and the multimeter went from 3ishV to 0. Thinking it may have been the fuse I swapped it out and tested both sides of the fuse and they both read 12ishV. Next I tried unplugging the OBC, which did not change the voltage, I also tested the #2 pin on the C1 connector and got the same reading of 3ishV. I did get 12V at the cigarette lighter which I thought was on the same fuse?
Does anyone know what I should check next? Could it be a ground that I damaged bottoming out in the snow? Or did the bumpy road just dislodge something perhaps?
|06-10-2016, 10:48 AM||#2|
E30: 1987 325e Turbo has arrived!
Location: worst place to buy a gun
Join Date: Jul 2008
So if you go to page 21 you will see the main systems that fuse 21 serves.
I would check the glove box light and mini charging light area in the glove box. dome lights and trunk light. as you havent checked those yet.
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Last edited by euro2fast4u : 06-10-2016 at 10:52 AM.
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