Quote:
Originally Posted by Fjatheart
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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Can you list what color wires you are trying to connect to at the factory headunit?
A great rule of thumb is to always check the wires with a DMM to verify voltage and a correct connection before attaching anything.