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5 Posts
Hello, i am new to the thread and have read thru many of them about the trailer wiring issues. Spent 4 hours yesterday trying to trouble shoot the issue. get no power to the rear harness plug. after reading up on it, i installed fuses in the aux fuse box near the driver side firewall. i located the relays under the dash and only see 3 of them. do i need the 4th to complete the circuit? im pretty mechanically inclined but this has me stumped. please help