LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 37 (Wiring Systems And Power Management - Service, Troubleshooting & Diagnosis) >> Troubleshooting with a Test Lamp >> Testing Procedure

Testing Procedure

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

To properly operate this tool use the following procedures.

When testing for voltage:

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

When testing for ground:

  1. Attach one 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.
scientia non olet · About LEMON Manuals