Pinpoint Test AX: The Trailer Lamps Are Inoperative - All

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 AX: The Trailer Lamps Are Inoperative - All (Steps AX1-AX3)

Courtesy of FORD MOTOR CO.

Fig 2: Pinpoint Test AX: The Trailer Lamps Are Inoperative - All (Steps AX3 Cont. -AX5)

Courtesy of FORD MOTOR CO.

Fig 3: Pinpoint Test AX: The Trailer Lamps Are Inoperative - All (Steps AX5 Cont. -AX6)

Courtesy of FORD MOTOR CO.