2005 Pontiac Vibe FWD L4-1.8L VIN 8FACTORY OEM SERVICE PROCEDURE

Troubleshooting With A Test Lamp



TROUBLESHOOTING WITH A TEST LAMP

TOOLS REQUIRED
J 34142-B 12-Volt Unpowered Test Lamp

NOTE: Refer to Test Probe Notice in Service Precautions.

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

The J 34142-B 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.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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