Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1998CHEVY VAN G2500, VAN CARGO, 5.0 MREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTWIPER/WASHER SYSTEMSWIPER SYSTEM AND WASHER SYSTEMDIAGNOSTIC TESTSTEST 1: WASHER INOPERATIVE, WIPERS OPERATE
1998 Chevrolet Chevy Van G2500, Van Cargo, 5.0 M
Test 1: Washer Inoperative, Wipers Operate
1998 Chevrolet Chevy Van G2500, Van Cargo, 5.0 MSECTION Test 1: Washer Inoperative, Wipers Operate
- Disconnect washer motor connector. Connect self-powered test light between ground and washer motor connector terminal "B" (Black wire). See WIRING DIAGRAMS . If test light is on, go to next step. If test light is off, repair open Black wire between washer pump motor and ground.
- Disconnect wiper motor 6-pin connector. Connect self-powered test light between ground and washer motor connector terminal "A" (Red wire). If test light is off, go to next step. If test light is on, repair short to ground in Red wire between wiper motor connector and washer motor connector.
- Connect self-powered test light between washer motor connector terminal "A" (Red wire) and wiper motor connector terminal "E" (Red wire). If test light is on, go to next step. If test light is off, repair open Red wire between wiper motor connector and washer motor connector.
- Reconnect wiper motor connector. Turn ignition switch to RUN position. Connect test light between ground and washer motor connector terminal "A" (Red wire). Push and hold PUSH washer switch on multifunction switch lever. Observe test light, then release switch. If test light is off, go to next step. If test light is on, replace washer motor.
- Ensure wiper switch is off. Disconnect wiper motor 6-pin connector. Connect a voltmeter between ground and wiper motor connector terminal "C" (Purple wire). Push and hold PUSH washer switch on multifunction switch lever. Read indicated voltage, then release switch. If voltage is present, go to next step. If no voltage is present, replace wiper/washer switch.
- Connect a voltmeter between ground and wiper motor connector terminal "D" (Brown wire). Push and hold PUSH washer switch on multifunction switch lever. Read indicated voltage, then release switch. If voltage is present, replace wiper motor. If voltage is not present, replace wiper/washer switch.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.