Electrical Issues 1991 318i
Okay, let's make this a long story. Tuesday night, I get in my car leaving the gym. A couple of my warning lights start flickering... 20 to 30 seconds later they all come on fully. I'm still sitting there idling. So, I gave it some gas, revved her up and they all went away.
Two days later half way to work, I'm sitting at a red light. My "anti-lock" brake light comes on. A few seconds later my radio cuts off. Huh... well light turns green I go. Get up to about 35 and my radio cuts back on for a couples seconds then cuts off and now the "Check Engine" light is on. So I got "Anti-Lock" brakes and "Check Engine" lights on. Only a couple miles to work so I make it there. Get there, turn off the car and can't turn it back on. Battery is drained. Of course with a jump I can start right away, but can only run so long until my battery is drained again.
So I took out my alternator (seems like a reasonable problem) and had it tested at an auto parts store. It passed all four parts of the test. Clearly my alternator power is not getting to the car or the battery. So what can it be? Is it a grounding issue? A short somewhere? I problem with wiring or fuses? Any help is appreciated. I'm a Civil Engineer, not an Electrical or Mechanical one! I do just about all the work on this car myself so I know her in and outs pretty well. Thanks
Second owner of a 1991 318i
Great car that I've loved my entire life.
Unfortunately these days it's all I can do to keep her going...
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