Peterbilt 389 no reverse light

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by rydr, Oct 14, 2021.

  1. rydr

    rydr Light Load Member

    Jan 8, 2019
    2008 peterbilt 389 no reverse lights, getting no power at transmission switch. I checked all fuses by the clutch all were good. Is there another fuse box? Or could the wires be cut/broken/disconnected. I cant really chase the harness back to the cab, i kinda loose it in the rest of the wires
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