LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 85 (Wiper System & Washer System) >> Diagnostic Information and Procedures >> Windshield Wiper Washer System Malfunction >> Diagnostic Aids

Diagnostic Aids

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. A short to ground in the following circuits will open the WPR fuse:
    • Ignition 1 voltage
    • Windshield wiper motor relay coil supply voltage
    • Windshield wiper switch high signal
    • Windshield wiper motor low speed control
    • Windshield wiper motor high speed control
  2. A short to B+ on any of the wiper/washer switch signal circuits will open the ground trace in the wiper switch.
scientia non olet · About LEMON Manuals