Test 3: Right Front Window Inoperative
- If window is inoperative from right door switch only, go to next step. If window is inoperative from both door and master switches, go to step 3
.
- Turn ignition switch to RUN position. Using a test light connected to ground, backprobe door switch connector terminal No. 3 (Blue/White wire). If test light is on, replace door switch in right front door. See Fig 1
. If test light is off, repair open in Blue/White wire between door switch and junction block. See WIRING DIAGRAMS
.
- Turn ignition switch to RUN position. Using a test light connected to ground, backprobe door switch connector terminal No. 1 (Green/Black wire) with master switch in UP position, and door switch connector terminal No. 4 (Red/Black wire) with master switch in DOWN position. See Fig 1
. If test light is on in both tests, go to step 5
. If test light is off in either test, go to next step.
- Turn ignition switch to RUN position. Using a test light connected to ground, backprobe master switch connector terminal No. 7 (Green/Black wire) with master switch in UP position, and master switch connector terminal No. 6 (Red/Black wire) with master switch in DOWN position. See Figure
. If test light is on in both tests, repair open in appropriate wire between door switch and master switch. See WIRING DIAGRAMS
. If test light is off in either test, replace master switch. See POWER WINDOW SWITCHES
.
- Test continuity in right door switch between terminals No. 4 and 5, and between terminals No. 1 and 2 with switch in NEUTRAL position. See Fig 1
. Test continuity in door switch between terminals No. 3 and 5 with switch in DOWN position and between terminals No. 2 and 3 with switch in UP position. If any test does not show continuity, replace right door switch. See POWER WINDOW SWITCHES
. If all tests show continuity, go to next step.
- Test for open in Yellow or Green/Yellow wire, and Red or Blue/Red wire between door switch and window motor connector. If problem is found, repair as necessary. If problem is not found, replace window regulator. See WINDOW REGULATOR & MOTOR
.
Courtesy of GENERAL MOTORS CORP.