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Wiring, Electrical & Installation
electrical "hum"
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<blockquote data-quote="iammiowngod" data-source="post: 1267529" data-attributes="member: 546606"><p>My dad has a 99 BMW Z3 with an Eclipse deck. Theres also other audio components but I have isolated them out of the equation. After 30 seconds-20 minuets of driving you start to get a kind of alt. wine/distorting/electric hum that isn't volume dependent. I have ran my own set of wires from the HU to the front kick panel speakers. I have also ran my own ground(to the chassis), power(direct to the batt.) and 12 volt switch from the ignition. I have completely isolated any and all stock wiring form the HU and still it picks this interference up. I also swapped out the HU for a completely different make and model to no avail. All I can say is its coming form the power system some ware and it's not picking it up by just being close to a main power cable. Any suggestions are welcome.</p></blockquote><p></p>
[QUOTE="iammiowngod, post: 1267529, member: 546606"] My dad has a 99 BMW Z3 with an Eclipse deck. Theres also other audio components but I have isolated them out of the equation. After 30 seconds-20 minuets of driving you start to get a kind of alt. wine/distorting/electric hum that isn't volume dependent. I have ran my own set of wires from the HU to the front kick panel speakers. I have also ran my own ground(to the chassis), power(direct to the batt.) and 12 volt switch from the ignition. I have completely isolated any and all stock wiring form the HU and still it picks this interference up. I also swapped out the HU for a completely different make and model to no avail. All I can say is its coming form the power system some ware and it's not picking it up by just being close to a main power cable. Any suggestions are welcome. [/QUOTE]
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