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Home >> Ford >> 2000 >> Contour SE, 2.0 3, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1928 (Exterior Lighting System (F250-F550)) >> Diagnostic Tests >> Stoplamps >> Pinpoint Tests >> Pinpoint Test J: The Stoplamps Are On Continuously >> Pinpoint Test J: The STOPLAMPS Are On Continuously

Pinpoint Test J: The STOPLAMPS Are On Continuously

WARNING: This page is about a different car, the 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. J1 CHECK THE STOPLAMP SWITCH 
    • Disconnect: Stoplamp Switch C278
    • Do the stoplamps continue to illuminate? 
    1. YES  : If equipped with a trailer brake module, go to  J2 .

      If not equipped with a trailer brake module, go to  J3 .

    2. NO  : INSTALL a new stoplamp switch. REFER to Stoplamp Switch . TEST the system for normal operation.
  2. J2 CHECK THE TRAILER BRAKE MODULE 
    • Disconnect: Trailer Brake Module C2142a
    • Do the stoplamps continue to illuminate? 
    1. YES  : Go to  J3.
    2. NO  : Go to  J5.
  3. J3 CHECK CIRCUIT 511 (LG) FOR A SHORT TO VOLTAGE 
    • Disconnect: Multifunction Switch C202a
    • Does the high mounted stoplamp continue to illuminate? 
    1. YES  : REPAIR the circuit. TEST the system for normal operation.
    2. NO  : Go to  J4.
  4. J4 CHECK THE MULTIFUNCTION SWITCH 
    • Connect: Multifunction Switch C202a
    • Disconnect: Multifunction Switch C202b
    • Do the rear stoplamps continue to illuminate? 
    1. YES  : REPAIR circuit 5 (OG/LB) (LH rear lamp) or circuit 9 (LG/OG) (RH rear lamp) as necessary. TEST the system for normal operation.
    2. NO  : INSTALL a new multifunction switch. REFER to STEERING COLUMN SWITCHES article. TEST the system for normal operation.
  5. J5 CHECK FOR TRAILER BRAKE MODULE OPERATION 
    • Disconnect all the trailer brake module connectors.
    • Check for:
      • corrosion
      • pushed-out pins
    • Connect all the trailer brake module connectors and make sure they seat correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    1. YES  : INSTALL a new trailer brake module. REFER to AUXILIARY BRAKE SYSTEM article. TEST the system for normal operation.
    2. NO  : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
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