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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 2021 (Wiring Systems (General Information)) >> Diagnostic Information & Procedures >> Testing For Short To Ground >> With a Test Lamp

With a Test Lamp

WARNING: This page is about a different car, the 2001 Chevrolet Monte Carlo and 2001 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the power feed (i.e. fuse, control module) from the suspect circuit.
  2. Disconnect the load.
  3. Connect one lead of the test lamp to battery positive voltage.
  4. Connect the other lead of the test lamp to one end of the circuit to be tested.
  5. If the test lamp illuminates, there is a short to ground in the circuit.
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