Pinpoint Test AY: The Trailer Lamps Are Inoperative - Rear Lamps

WARNING: This page is about a different car, the 2002 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: It is necessary for the vehicle exterior lighting to be operating correctly. Repair any concerns with the vehicle rear exterior lighting before the diagnosis of the trailer tow module (TTM) and wiring is attempted.

Fig 1: Pinpoint Test AY: The Trailer Lamps Are Inoperative - Rear Lamps (Steps AY1-AY2)

Courtesy of FORD MOTOR CO.

Fig 2: Pinpoint Test AY: The Trailer Lamps Are Inoperative - Rear Lamps (Steps AY3-AY4)

Courtesy of FORD MOTOR CO.

Fig 3: Pinpoint Test AY: The Trailer Lamps Are Inoperative - Rear Lamps (Step AY5)

Courtesy of FORD MOTOR CO.