Bravada V6-262 4.3L VIN Z (1991)
Wiper Switch: All Technical Service Bulletins
Rear Window Defogger/Wiper Switch - Hot to the Touch
NUMBER:
91-T-180
CORP.REF.NO: 168101
DATE:
August 1991
SECTION:
8A, 8B
SUBJECT:
REAR WINDOW DEFOGGER AND/OR WIPER SWITCHES BECOME HOT TO TOUCH INSTALL NEW SWITCH
MODELS/YEARS:
1991 BRAVADA
Some owners of 1991 Bravadas built prior to vehicle number M2704677, may comment about a condition where the rear window defogger switch and/or
the rear window wiper switch is hot to the touch after the dash lights have been on for a period of time. This condition was corrected in production
through the introduction of new switch assemblies which have bulbs that operate at lower temperatures.
If this condition occurs, a new rear window defogger switch and/or rear window wiper switch should be installed to replace the affected part.
SERVICE PROCEDURE:
1.
Disconnect negative battery cable.
2.
Remove trim plate retaining screw.
3.
Remove trim plate.
4.
Disconnect wiper/defogger switch connector(s).
5.
Remove switch(s) from trim plate.
6.
Install new switch(s).
7.
Reconnect wiring connector(s).
8.
Reinstall trim plate in dash.
9.
Reinstall retaining screw.
10.
Reconnect negative battery cable.
SERVICE PARTS INFORMATION:
Part Number
Description
Quantity
15679578
Rear window defogger switch
1
15679579
Rear window wiper switch
1
Parts are currently available from GMSPO.