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4. Test for more than 10 volts on the signal circuit terminal C while commanding the passenger window DOWN using the RF window switch on the driver master control. If less than the specified range, test the signal circuit for a short to ground or open/high 5. Test for more than 10 volts on the signal circuit terminal A while commanding the passenger window UP using the RF window switch on the driver master control. If less than the specified range, test the signal circuit for a short to ground or open/high 6. Ignition OFF, connect the harness connector passenger window switch and disconnect the harness connector at the passenger window motor. 7. Connect a test lamp between control circuit terminal A and control circuit terminal B. 8. Ignition ON, command the passenger window UP and DOWN by using the passenger window switch. The test lamp should illuminate when commanding the UP and DOWN If the test lamp is always OFF during either of the commands, test either control circuit If the test lamp is always ON, test either control circuit for a short to voltage. If the 9. If all circuits test normal, test or replace the passenger window motor. Rear Power Window Inoperative 1. Ignition OFF, disconnect the harness connector at the appropriate rear window switch. 2. Test for less than 1.0 ohm between the ground circuit terminal F and ground. If greater than the specified range, test the ground circuit for an open/high resistance. 3. Ignition ON, verify that a test lamp illuminates between the B+ circuit terminal G and ground. If the test lamp does not illuminate, test the B+ circuit for a short to ground or an 4. Enable the rear window switches by using the window lockout switch. 5. Test for more than 10 volts on the control circuit terminal D. If less than the specified range, test the control circuit for a short to ground or 6. Test for more than 10 volts on the signal circuit terminal C while commanding the rear window DOWN using the window switch on the driver master control.
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Fixed and Moveable Windows - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
If less than the specified range, test the signal circuit for a short to ground or open/high 7. Test for more than 10 volts on the signal circuit terminal A while commanding the rear window UP using the window switch on the driver master control. If less than the specified range, test the signal circuit for a short to ground or open/high 8. Ignition OFF, connect the harness connector at rear window switch and disconnect the harness connector at the rear window motor. 9. Connect a test lamp between control circuit terminal A and control circuit terminal B. 10. Ignition ON, command the rear window UP and DOWN by using the rear window switch. The test lamp should illuminate when commanding the UP and DOWN states. If the test lamp is always OFF during either of the commands, test either control circuit If the test lamp is always ON, test either control circuit for a short to voltage. If the 11. If all circuits test normal, test or replace the rear window motor. Window Lockout Switch Malfunction 1. Ignition OFF, disconnect the harness connector at the appropriate rear window switch. 2. Disable the rear window switches by using the window lockout switch on the driver master control. 3. Test for 0 volts on the control circuit terminal D. If greater than the specified value, test the control circuit for a short to voltage. If the Component Testing Window Motor 1. Ignition OFF, disconnect the harness connector at the appropriate window motor. 2. Install a 25 amp fused jumper wire between the control terminal A and 12 volts. Momentarily install a jumper wire between the control terminal B and ground. The window If the function does not perform as specified, replace the window motor. 3. Reverse the jumper wires; the window motor should perform the DOWN or UP function.
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Fixed and Moveable Windows - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
If the function does not perform as specified, replace the window motor. Repair Procedures Perform the Diagnostic Repair Verification after completing the diagnostic procedure. Rear Side Door Window Switch Replacement (Crew Cab) or Rear Side Door Front Side Door Window Regulator Motor Replacement Front Side Door Window and Rear Side Door Window Switch Replacement (with Rear Side Door Window Regulator Motor Replacement (Extended Cab) or Rear Door Lock and Side Window Switch Replacement - Driver Side Door Lock and Side Window Switch Replacement - Passenger Side REPAIR INSTRUCTIONS WINDSHIELD REPLACEMENT Tools Required J 24402-A Glass Sealant Cold Knife Remover. See Special Tools. J 39032 Stationary Window Removal Tool. See Special Tools. Urethane Adhesive Kit GM P/N 12346392 or Equivalent Isopropyl Alcohol or Equivalent Cartridge-type Caulking Gun Commercial-type Utility Knife Razor Blade Scraper Suction Cups Plastic Paddle Removal Procedure CAUTION: Refer to Glass and Sheet Metal Handling Caution .
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Fixed and Moveable Windows - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
1. Remove the fixed antenna mast if equipped. Refer to Radio Antenna Replacement . 2. Open the hood. 3. Remove the window wiper arms. Refer to Windshield Wiper Arm Replacement (LD) . 4. Remove the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement . 5. Remove the outside moisture sensor. Refer to Windshield Outside Moisture Sensor Replacement . 6. Remove the inside rearview mirror. Refer to Inside Rearview Mirror Replacement . IMPORTANT: Before cutting out a stationary window, apply a double layer of masking tape around the perimeter of the painted surfaces
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Fixed and Moveable Windows - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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