Tip & How-To about Ford Crown Victoria

How To Replace Rear Brake Pads Rotors Ford Crown Victoria Grand Marquis 03-05 - 1AAuto.com

Auto Repair: Replace Rear Brake Pads Rotors Ford Crown Victoria Grand Marquis 03-05 - 1AAuto.com

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I had a 1997 Ford Crown Victoria with An H9 rear axle code. I want to know what rear axle code is comparable to the H9 for a Mercury Grand Marquis?


reading forums on this reveals that the h9 is a 3.55 limited slip diff mainly used in f150 fords. However all that is immaterial as what you are looking for is a diff centre that is 3.55 ratio that will fit in your housing . The same housing will use the both LSD and normal diffs as the LSD was an option offered for off road vehicles or vehicles operating in bad road conditions

Sep 18, 2014 | 1997 Ford Crown Victoria

1 Answer

brake lights wont go off


If the stoplamps are on continuously, the following may be at fault:
  1. Circuitry.
  2. Brake pedal position (BPP) switch.
  3. Multifunction switch (Crown Victoria equipped with the police street appearance package or Grand Marquis)
CHECK THE BRAKE PEDAL POSITION (BPP) SWITCH
Disconnect: BPP Switch. Do the stoplamps continue to illuminate? If yes, continue to the next step. If no install a new BPP Switch.

CHECK CIRCUIT 511 (LG) FOR SHORT TO POWER
Disconnect: Central Junction Box (CJB) Fuse 14 (20A). Do the stoplamps continue to illuminate? If yes, and your Crown Victoria is equipped with the police street appearance package or Grand Marquis, continue to the next step. If Crown Victoria, REPAIR circuit 569 (DG). TEST the system for normal operation. If no, REPAIR the circuit. TEST the system for normal operation.

CHECK CIRCUIT 9 (LG/OG) FOR SHORT TO POWER
Disconnect: Multifunction Switch C202c. Does the LH stoplamp continue to illuminate? If yes, REPAIR the circuit. TEST the system for normal operation. If no, go to next step.

CHECK CIRCUIT 5 (OG/LB) FOR SHORT TO POWER
Disconnect: Multifunction Switch C202c. Does the RH stoplamp continue to illuminate? If yes, REPAIR the circuit. TEST the system for normal operation. If the high mounted stoplamp continues to illuminate, REPAIR circuit 569 (DG). TEST the system for normal operation. If the high mounted stoplamp does not continue to illuminate, INSTALL a new multifunction switch. TEST the system for normal operation.

Mar 09, 2011 | 2005 Ford Crown Victoria

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