LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 989 (Battery, Charging System And Starting System) >> Diagnostic Information and Procedures >> Starter Solenoid Clicks, Engine Does Not Crank >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify that the battery is sufficiently charged and that the battery cables are clean and tight. Refer to Charging System Test .
  2. Using a DMM, measure voltage between the positive battery terminal and X1 terminal B at the solenoid as the ignition switch is turned to the START position. Voltage should be less than 0.5 volt.
    • If greater than the specified value, replace the starter solenoid cable.
  3. Using a DMM, measure voltage between the negative battery terminal and the starter motor case as the ignition switch is turned to the START position. Voltage should be less than 0.5 volt.
    • If greater than the specified value, replace the negative battery cable.
  4. Remove the drive belt(s). Refer to one of the following:
  5. Attempt to start the engine, with the drive belt(s) removed.
    • If the engine cranks, inspect the engine accessories and belt drive system for mechanical binding.
  6. Attempt to rotate the crankshaft using a breaker bar, or other suitable tool. Verify that the engine is not seized.
  7. If all circuits test normal, replace the starter motor, or the starter solenoid (LMM 6.6L Diesel).
scientia non olet · About LEMON Manuals