F 250 2WD Super Duty V8-5.4L VIN 5 (2006)
B1-B2
Normal Operation
The instrument cluster provides a ground circuit for the battery saver relay and the interior lamps relay. When the relays are energized, voltage is
supplied to the interior lamps on circuit 53 (BK/LB). The interior lamps are grounded through circuit 57 (BK).
Possible Causes
-
Circuit 53 (BK/LB) open
-
Circuit 57 (BK) open
-
Interior lamp assembly
Test C: The Interior Lamps Stay On Continuously
PINPOINT TEST C: THE INTERIOR LAMPS STAY ON CONTINUOUSLY
