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Home >> Cadillac >> 2007 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 540 (Wiring Systems - Specifications, Component Views And Connector End Views) >> Diagnostic Information and Procedures >> Troubleshooting with a Test Lamp >> Tools Required
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Tools Required

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

J 35616-200  12-Volt Unpowered Test Lamp

NOTE: Refer to Test Probe Notice in Cautions and Notices.

A test lamp can simply and quickly test a low impedance circuit for voltage.

The J 35616-200  is Micro-Pack compatible and comprised of a 12-volt light bulb with an attached pair of leads.

To properly operate this tool use the following procedures.

When testing for voltage:

  1. Attach 1 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 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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