Re: Aftermarket Hurst Reverse Switch Wiring?
The original taillight harness, has a wire for the backup lights. Hook that wire to switch. Other side "hot", can either be your original wire to backup switch, or if starting from scratch, anywhere that is hot with the key on.
If starting from scratch, run 1 wire from any "key on" source, to the backup lights, then splice the switch in the middle.
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