Pinpoint Test K: The Parking, Rear Or License Lamps Are On Continuously

WARNING: This page is about a different car, the 2005 Ford RV Cutaway, 2005 Ford Econoline, 2005 Ford E450 Super Duty, and 2005 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

K1 CHECK THE HEADLAMP SWITCH
- Key in OFF position.
- Disconnect: Headlamp Switch C205.
- Do the exterior lamps continue to illuminate?
- Yes : GO to K2.
- No : INSTALL a new headlamp switch. REFER to HEADLAMP SWITCH . TEST the system for normal operation.
K2 CHECK THE VEHICLE SECURITY MODULE
- Disconnect: Vehicle Security Module C203a.
- Do the exterior lamps continue to illuminate?
- Yes : If equipped with roof marker lamps, GO to K4.
  If not equipped with roof marker lamps, REPAIR circuit 14 (BN). TEST the system for normal operation.
- No : GO to K3.
K3 CHECK FOR VEHICLE SECURITY MODULE OPERATION
- Key in OFF position.
- Disconnect all vehicle security module connectors.
- Check for:
  - corrosion
  - pushed-out pins
- Connect all vehicle security module connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
- Yes : INSTALL a new vehicle security module. REFER to MULTIFUNCTION ELECTRONIC MODULES . TEST the system for normal operation.
- No : The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.
K4 CHECK THE ROOF MARKER LAMP RELAY
- Disconnect: Roof Marker Lamp Relay C1259.
- Do the exterior lamps continue to illuminate?
- Yes : REPAIR circuit 14 (BN). TEST the system for normal operation.
- No : INSTALL a new roof marker lamp relay. TEST the system for normal operation.