Ranger 2WD V6-3.0L (2008)
Trailer Lamps: Pinpoint Tests
Test T: All The Trailer Lamps Are Inoperative
PINPOINT TEST T: ALL THE TRAILER LAMPS ARE INOPERATIVE
Normal Operation
The trailer tow connector is provided ground through circuit RAT08 (WH) for the trailer lamps.
This pinpoint test is intended to diagnose the following:
-
Wiring, terminals or connectors
-
Trailer
T1
Test U: The Trailer Parking Lamps Are Inoperative
PINPOINT TEST U: THE TRAILER PARKING LAMPS ARE INOPERATIVE
Normal Operation
When the parking lamps are on, the smart junction box (SJB) provides voltage to the trailer tow connector through circuit CAT17 (BN/WH).
This pinpoint test is intended to diagnose the following:
-
Fuse
-
Wiring, terminals or connectors
-
Trailer
-
SJB