Test Description

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

4. Listen for an audible click when the relay operates. Cycle between low and high positions. Repeat the cycles as necessary.
5. Tests for supply voltage at the control side of the relay.
6. Verifies that the headlamp switch is providing ground to the relay.

Fig 1: Headlamps Inoperative - High Beams (1 Of 3)

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Fig 2: Headlamps Inoperative - High Beams (2 Of 3)

Courtesy of GENERAL MOTORS CORP.

Fig 3: Headlamps Inoperative - High Beams (3 Of 3)

Courtesy of GENERAL MOTORS CORP.