Camaro & Firebird
WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 1992 Pontiac Grand Prix, 1992 Pontiac Firebird, 1992 Pontiac Bonneville, 1992 Oldsmobile Toronado, and 1992 Oldsmobile Ninety-Eight. However, it is still accessible from the selected car via links, so may be relevant.
- Remove wiper fuse. Connect a 30-amp or greater ammeter between fuse terminals. Turn ignition switch to RUN position and wiper/washer switch to HI position. Ensure windshield is wet. Read ammeter and record lowest reading. If reading is less than 3.5 amps or cycles between any number and zero, check: * Motor ground * Brush/Commutator condition * Circuit Breaker (should be closed) * Armature
- If reading is greater than 6.5 amps, replace wiper blades and retake current measurement. If reading is less than 6.5 amps, wiper blades problem is fixed. If reading is more than 6.5 amps, disconnect linkage from motor crank, and retake current measurement.
- If reading is less than 6.5 amps, linkage is binding. Repair as necessary. If reading is more than 6.5 amps, remove wiper motor module, and repair as necessary.