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So I'm going to run my amp power wire off of the second battery on the passanger side. Anybody know any easy way to route it. Or should I just drill and seal a hole in the firewall? It's 2ga
My power wire is run through the driver side/main firewall plug with all of the electronics wiring. It's wired right off the alternator to a second battery in the cab though.
I can't think of a firewall plug on the passenger side that I would use for that, best bet would to probably be to drill your own, and put a grommet in it.