How to connect a 4 wire trailer light system to a 1994 toyota pickup . I have located the tail light wire, left and right signal light wire and a separate brake light wire that goes to the left brake light on the truck. the problem is the signal light and brake light wire on the 4 wire trailer
harness are the same wire. am i missing the correct wire on the truck to connect the brake/ signal lights
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do you mean the tail and brake light wires on the truck are the same? not sure what you mean by connecting them to the connector oin the truck.
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