Horn - High Activation Effort
TSB 05-13-1007/11/05
HIGH EFFORT TO ACTIVATE HORN - VEHICLES
BUILT BEFORE 5/6/2005
FORD:
2005 Crown Victoria
LINCOLN:
2005 Town Car
MERCURY:
2005 Grand Marquis
ISSUE
Some 2005 Crown Victoria/Grand Marquis and Town Car vehicles built before 5/6/2005, may require a high horn pad effort to activate the horn.
ACTION
Clean the horn contacts. Refer to the following Service Procedure.
SERVICE PROCEDURE
1. Remove driver air bag. Refer to Workshop Manual Section 501-20B.
2. Apply PM-4 Motorcraft Metal Brake Parts Cleaner onto a plastic scouring pad.
3. Wipe the four (4) copper contacts on the steering wheel with the plastic scouring pad until the copper rivets appear shiny.
4. Wipe the four (4) horn contact points on the rear of the air bag module with the plastic scouring pad and PM-4 cleaner to remove any residue.
5. Wipe all contact points with a clean cloth to remove any remaining residue.
6. Paint the copper rivets of the steering wheel with PM-11 Motorcraft Rear Window Defroster Repair. Apply a minimum of three (3) coats to each rivet. Ensure the coats are applied smoothly without lumps or globs.
NOTE
CURING TIME BETWEEN COATS TAKES ABOUT 5 MINUTES TO AIR DRY. DO NOT USE A HEAT GUN TO SPEED THE CURING PROCESS, IT WILL DAMAGE THE STEERING WHEEL AND/OR WIRING.
7. Ensure that the steering wheel/airbag wiring is pushed down into the lower cavity and will not restrict the air bag movement.
8. Re-install the driver air bag, refer to Workshop Manual Section 501-20B. Verify proper horn operation.
NOTE
1 BOTTLE OF PM-11 WILL REPAIR APPROXIMATELY 7-10 VEHICLES.
Parts Block
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
OPERATION DESCRIPTION TIME
051310A 2005 Crown Victoria/Grand 0.8 Hr.
Marquis/Town Car:
Perform Procedure To
Remove Drivers Side
Airbag, Clean Contacts
And Paint Contacts With
PM-1 Includes Time To
Depower And Repower
The Supplemental
Restraints System (Do Not
Use With 14056D,
14056D5)
DEALER CODING
CONDITION
BASIC PART NO. CODE
3600 X2
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