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Old 12-14-2018, 06:02 PM   #1
ButtJuice
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Noob Member With a Noob Question

I have a question that I’m sure has a simple answer. I’ve searched and spent money with no cure.

When I put the headlights on, the OBC dims to the point where you can barely read it, the tach/temp gauges do not illuminate, however the speedo and temp gauges illuminate. When the headlights are switched off, the OBC illuminates bright.

All the bulbs are less than 1.5 years old, I already swapped the headlight switch (nothing changed) and I checked the fuses a dozen times.

I’m pretty stumped! Would appreciate some fresh ideas.
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Last edited by ButtJuice; 12-15-2018 at 02:54 PM.
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Old 12-14-2018, 06:22 PM   #2
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Also the Si board is solid, replaced it with a refurbished one from BavRest, swapped the defrost & emergency light switches as well.


What thaaa fuhck
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1991 325is - 2.8L Budget Stroker Garage Slut
1991 318is - Sold
1986 325 - Sold

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Old 12-14-2018, 06:52 PM   #3
Nader393
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Sorry, I don't have an answer for you. But I acknowledge how humiliating it must be for you to ask for help, while calling yourself "Buttjuice."
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Old 12-14-2018, 07:12 PM   #4
Nader393
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Well, "Buttjuice", I gave it some thought. Check your grounds. Especially the grounding stud on the inside of the front left fender.
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Old 12-14-2018, 08:03 PM   #5
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Your alternator needs Viagra
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Old 12-14-2018, 09:54 PM   #6
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Your alternator needs Viagra
And his ass needs less red bull.
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Old 12-14-2018, 11:07 PM   #7
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Have you played with the cluster light dimmer?
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Old 12-15-2018, 12:05 AM   #8
ButtJuice
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I can’t express how thankful I am.

I rubbed Viagra on my grounds while reducing the Red Bull intake, lo’ and behold this son of a gun illuminates like it came fresh off the lot.
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1991 325is - 2.8L Budget Stroker Garage Slut
1991 318is - Sold
1986 325 - Sold

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Old 12-16-2018, 08:00 PM   #9
ELVA164
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What a nub lol







Electrical issues are a nightmare. When I was at Sebring this month, Dad called and said the left-side turn signals had started flashing quickly but both ends and the dash all worked. I ordered a good used switch on the way home because my research suggested that would be the source of the issue (Dad checked relays, fuses, etc. with no success).

I got home, the second flasher relay and second switch made no difference. I took out the front-left bulb, put it back in, and everything is fine now.


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