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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 170 (Wiring Systems - Testing, Diagnosis & Repair) >> Diagnostic Information and Procedures >> Troubleshooting with a Test Lamp >> Test Procedure (Ground)

Test Procedure (Ground)

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

When testing for ground:

  1. Attach 1 lead to battery positive voltage.
  2. Touch the other lead to various points along the circuit where ground should be present.
  3. When the bulb illuminates, there is ground at the point being tested.
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