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Radio Shack ground loop isolator- directional?
I'm wiring in a PIE amp to my stock HU, and also installing the ground loop isolator. I'm no electronics expert but I'm assuming this thing is directional, right? However it has no markings or instructions as to which way it goes. I have to cut the wires on this to hardwire it and don't want to do this twice- do any of you know which way it should be wired in? One side has significantly shorter wires on it. Any info would be great!
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