1999 Ford Expedition Replacing Signal Switch

Tiny
REESE40
  • MEMBER
  • 1999 FORD EXPEDITION
  • V8
  • 2WD
  • AUTOMATIC
  • 228,000 MILES
How do you replace the Signal/Dimmer switch
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Thursday, December 4th, 2008 AT 11:16 AM

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Tiny
DAVE H
  • EXPERT
MULTIFUNCTION SWITCH
Removal & Installation
Disconnect negative battery cable. Remove lock cylinder. See LOCK CYLINDER. Remove upper and lower steering column shrouds. Remove retaining screws. Disconnect multifunction switch harness connectors. Remove switch. To install, reverse removal procedure.

LOCK CYLINDER
Removal & Installation (Functional)
Disconnect negative battery cable. Turn ignition switch to RUN position. Insert a 1/8" drill bit or wire through access hole in trim steering column trim (below lock cylinder). Press retaining pin inward and pull out lock cylinder. To install, lubricate lock cylinder. Turn lock cylinder to RUN position. Press retaining pin inward and insert lock cylinder into housing. To install remaining components, reverse removal procedure.
Removal (Non-Functional)
NOTE:Use this procedure to remove ignition lock cylinder if key is missing or cylinder is frozen.

Disconnect negative battery cable. Disable air bag system. See appropriate AIR BAG RESTRAINT SYSTEMS - EXPEDITION & NAVIGATOR article. Remove steering wheel. Twist cap until it separates from ignition switch lock cylinder.
Using a 3/8" drill bit, drill down middle of ignition lock key slot about 3/4-1" (19-25 mm) until ignition switch lock cylinder breaks loose from breakaway base of ignition switch lock cylinder. Remove ignition switch lock cylinder and shavings from lock cylinder housing.
Remove bearing retainer, bearing and gear. Thoroughly clean all metal shavings and other foreign material from housing. Carefully inspect housing for damage. If damage is apparent, replace housing.
Installation
Install gear, bearing, and retainer. Lubricate cylinder cavity. Turn lock cylinder to RUN position. Press retaining pin inward and insert new lock cylinder into lock cylinder housing.
Before rotating ignition switch to OFF position, ensure cylinder is fully seated and aligned. Use key to rotate cylinder to ensure mechanical operation is okay in all positions.
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Thursday, December 4th, 2008 AT 11:52 AM

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