Owner's Manual
Page 365
... a seven-pin universal trailer connector is equipped with the seven-wire trailer towing harness. Your vehicle is attached to a bracket on the headlamps to boost the vehicle system voltage and properly charge the battery. Heavy-Duty Trailer Wiring Harness Package The seven-wire harness contains the following trailer circuits: Yellow: Left Stop...
... a seven-pin universal trailer connector is equipped with the seven-wire trailer towing harness. Your vehicle is attached to a bracket on the headlamps to boost the vehicle system voltage and properly charge the battery. Heavy-Duty Trailer Wiring Harness Package The seven-wire harness contains the following trailer circuits: Yellow: Left Stop...