Are there any special rules to follow when wiring up amps, Can pos/neg wires be run parallel to each other, can they cross... should they be a certain distance from each other? I've heard that RCA's need to cross power wires perpendicular... I have a small whine in my speakers when the engine is on, need to track it down, starting with the RCA's, every thing appears to be common grounded properly... Share your tips. Thanks
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