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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO EXTENDED, 5.3 T, 4L60E/M30REPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTWIPER/WASHER SYSTEMSWIPER SYSTEM & WASHER SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESWIPERS INOPERATIVE - ALL MODES
2006 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.3 T, 4L60E/M30

Wipers Inoperative - All Modes

2006 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.3 T, 4L60E/M30SECTION Wipers Inoperative - All Modes
Wipers Inoperative - All Modes

Step Action Yes No
Schematic Reference: Wiper/Washer System Schematics 
Connector End View Reference: Wiper/Washer System Connector End Views 
DEFINITION: The windshield wiper motor will not operate in any mode.
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2
  1. Turn ON the ignition.
  2. Attempt to operate the windshield wipers in all modes.
Are the windshield wipers inoperative in all modes?		 Go to Step 3  Go to Testing for Intermittent Conditions and Poor Connections
3
  1. Disconnect the steering column harness connector.
  2. Connect a fused jumper wire from the windshield wiper switch high signal circuit terminal in the body harness connector half to ground.
  3. Turn ON the ignition.
Do the windshield wipers operate at high speed?		 Go to Step 8  Go to Step 4 
4
  1. Disconnect the windshield wiper motor connector.
  2. Connect a test lamp from the accessory voltage supply circuit terminal in the windshield wiper motor harness connector to ground.
  3. Turn ON the ignition.
Does the test lamp illuminate?		 Go to Step 5  Go to Step 6 
5 Connect a test lamp from battery positive voltage to the windshield wiper motor ground circuit terminal in the windshield wiper motor harness connector.
Does the test lamp illuminate?		 Go to Step 10  Go to Step 7 
6 Repair the accessory voltage supply circuit to the windshield wiper motor for an open or short to ground. Refer to Circuit Testing and Wiring Repairs .
Is the repair complete?		 Go to Step 12  -
7 Repair the windshield wiper motor ground circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs .
Is the repair complete?		 Go to Step 12  -
8 Inspect for poor connections at the windshield wiper/washer switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?		 Go to Step 12  Go to Step 9 
9 Replace the windshield wiper/washer switch. Refer to Multifunction, Turn Signal Switch Replacement .
Is the repair complete?		 Go to Step 12  -
10 Inspect for poor connections at the windshield wiper motor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?		 Go to Step 12  Go to Step 11 
11 Replace the windshield wiper motor. Refer to Wiper Motor Replacement .
Is the repair complete?		 Go to Step 12  -
12 Operate the system in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 3 
RENDER: 1.0x

NO RELATED

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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.