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e30 Alternator Ground Cable Location?


jayinmadison

Question

Hey guys, 

 

Does anyone know where to properly mount an alternator ground cable on an e30 m20? I've searched online and in my repair guide with no luck. 

 

It looks like it can reach from the back of the alternator to the engine mount ground cable location. Is that where it should go? 

 

Hoping it will limit the amount of radio whine I am getting. 

 

Thanks!

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there are some suggestions I've heard. i didn't bother to do anything, because i could only hear the whine if the radio volume was quiet and the car was not moving.

1)separate left/right channel wires from large power wires in stock wiring

2)completely new wiring with RCA cables, aftermarket amp, etc.

3)noise suppressors?

4)ground the radio to the same ground as the alternator

5)new radio ground on sheet metal as close to radio as possible

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