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88 vert fuse box removal
I am trying to track down a 9.66ma drain on the 7.5a room fuse. - the seatbelt warning light comes on when the car is off and the door has been opened. I see other people have had similar issues, but I can't seem to find a definive solution.
Anyway, I want to remove the fuse box to get access to wiring to check for the short, and have gotten the bottom bolt off, but can't seem to get it out. Is there a clip or something? I am having a hard time seeing under there and dont want to break something pulling it loose. Appreciate the help in advance... 88 convertible, so S4, right? |
Originally Posted by VANCITY88VERT
(Post 12340277)
I am trying to track down a 9.66ma drain on the 7.5a room fuse. - the seatbelt warning light comes on when the car is off and the door has been opened. I see other people have had similar issues, but I can't seem to find a definive solution.
Anyway, I want to remove the fuse box to get access to wiring to check for the short, and have gotten the bottom bolt off, but can't seem to get it out. Is there a clip or something? I am having a hard time seeing under there and dont want to break something pulling it loose. Appreciate the help in advance... 88 convertible, so S4, right? |
CPU issue
So I didn't get the fuse box out, but I did pull out the CPU (FB05). It looks like corrosion on the boards is causing the problem. Anyone know where to get these rebuilt - or purchase one that's already rebuilt?
Thanks in advance! https://cimg0.ibsrv.net/gimg/www.rx7...35361d157c.jpg https://cimg1.ibsrv.net/gimg/www.rx7...db7106af73.jpg https://cimg3.ibsrv.net/gimg/www.rx7...c2b949abab.jpg https://cimg4.ibsrv.net/gimg/www.rx7...d1a6c82c1d.jpg https://cimg6.ibsrv.net/gimg/www.rx7...ee3d689b0a.jpg |
Corrosion on the board can cause a lot of issues with these cars as can bad solder joints. Remember that a 50mA draw is acceptable with most newer vehicles so a 9mA draw should not cause much of an issue with a parasitic draw. A back feed of power is the typical cause of a circuit that stays powered when switch power is not applied. The back feed is caused by a poor ground and the voltage is looking for a ground, and in doing so, is powering other circuits when it is not supposed to in search of a good ground. This may explain why your warning light remains on after the ignition is switched off. If there is a ground in the CPU for that circuit you may have found your culprit.
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I just found one of these in my garage. You can have it for free + shipping if you want it. Otherwise its trash....
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Originally Posted by FührerTüner
(Post 12342736)
I just found one of these in my garage. You can have it for free + shipping if you want it. Otherwise its trash....
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