... ?? would this be a good place to route 4 gauge wire for a subwoofer power to amp line?I assume there are wires routed through the firewall into the engine bay. That's what they do on the F series trucks with aux switches. I used one in my Super Duty for high idle on the diesel. I believe there were two 10 amp, one 20 amp, and one 30 amp switch.
Finding a good in through the fire wall is sometimes hard.
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