Wipers Will Not Shut Off Test: Corvette
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 1991 Pontiac Grand Prix, 1991 Pontiac Grand Am, 1991 Pontiac Firebird, 1991 Pontiac Bonneville, and 1991 Pontiac 6000. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect 3 wiper motor module connectors. Turn ignition switch to RUN or ACCESSORY position. Turn wiper/washer switch to OFF position. Connect a test light between C1 terminal "A" and ground. If test light is on, check for short to battery voltage in circuit No. 96 (Brown wire).
- If circuit is okay, replace wiper/washer switch. If test light is off, connect test light between C2 terminal "B" and ground. If test light is on, check for short to battery voltage in circuit No. 97 (Light Blue wire). If circuit is okay, replace wiper/washer switch.
- If test light is off, reconnect connectors C1 and C2. Connect test light between C3 terminal "B" and ground. If test light is on, check for short to battery voltage in circuit No. 191 (Gray wire). If circuit is okay, repair or replace wiper motor module. If test light is off, connect test light between C3 terminal "A" and ground.
- If test light is on, check for short to battery voltage in circuit No. 92 (Purple wire). If circuit is okay, replace wiper/washer switch. If test light is off, repair or replace wiper motor module.