Re: FAST-9999 Installaton Instructions
I'm trying to attach the FAST-9999 to the factory HU in my 2001 4Runner. The wires coming off the back of the HU do not match diagrams I've found online. Do I need to see if the wires coming off the back of the factory amp match the diagrams & tap to those? I'm at a loss and afraid to tap into the wrong wires.
Thank you!
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