Test 3: Right Front Window Inoperative
- Turn ignition switch to RUN position. Using DVOM connected to ground, backprobe at master window switch assembly Tan wire terminal. Press right front window switch on master window switch assembly to DOWN position. If battery voltage is present, go to next step. If battery voltage is not present, go to step 4
.
- Using DVOM connected to ground, backprobe at master window switch assembly connector Light Blue wire terminal. See Fig 1
. Press right front window switch on master window switch assembly to UP position. If battery voltage is present, go to next step. If battery voltage is not present, go to step 4
.
- Disconnect right front window motor harness connector. Using DVOM connected to ground, measure voltage at right window motor harness connector terminal "B" (Tan wire). Press right front window switch on master window switch assembly to DOWN position. If battery voltage is present, go to step 5
. If battery voltage is not present, go to step 6
.
- Replace master window switch assembly. See WINDOW & DOOR LOCK SWITCHES
under REMOVAL & INSTALLATION. Recheck system operation.
- Using DVOM connected to ground, measure voltage at right front window motor connector terminal "A" (Light Blue wire). Press right front window switch on master window switch assembly to UP position. If battery voltage is present, go to step 7
. If battery voltage is not present, go to step 8
.
- Repair open in Tan wire between master window switch assembly and right front window motor connector terminal "B". See WIRING DIAGRAMS
. Recheck system operation.
- Replace right front window motor. See WINDOW MOTOR
under REMOVAL & INSTALLATION. Recheck system operation.
- Repair open in Light Blue wire between master window switch assembly and right front window motor connector terminal "A". See WIRING DIAGRAMS
. Recheck system operation.
Courtesy of GENERAL MOTORS CORP.