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3. Ignition ON, verify the scan tool Washer Fluid Level parameter is OK. If not the specified value, test the signal circuit terminal B for a short to ground. If the 4. Install a 3A fused jumper wire between the signal circuit terminal B and ground. Verify the scan tool Washer Fluid Level parameter is Low. If not the specified value, test the signal circuit for a short to voltage or an open/high 5. If all circuits test normal, test or replace the washer fluid level switch. Repair Procedures Perform the Diagnostic Repair Verification after completing the diagnostic procedure. Windshield Washer Solvent Level Switch Replacement (GMC) or Windshield Control Module References for IPC replacement, setup, and programming WASHER MALFUNCTION Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach. Diagnostic Procedure Instructions provides an overview of each diagnostic category. Diagnostic Fault Information Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance Windshield Washer Switch 2 1 1 - Windshield Washer Fluid 1 1 2 - Windshield Washer Relay 2 1 B3873 00 - Windshield Washer Switch - 1 - - Windshield Washer Fluid - 1 - -
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Wipers and Washers - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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