GM Service Manual Online
For 1990-2009 cars only

Headlamps are Different Colors Envoy

Step

Action

Value(s)

Yes

No

DEFINITION: Slight differences in color between headlamps are normal with this system. Significant difference in color between headlamps may indicate that the life of one headlamp is almost complete. However, the difference in color is not directly related to the remaining life of the headlamp. If the difference in color is significant, perform the following steps.

1

Did you perform the Headlight System Check?

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Go to Step 2

Go to Daytime Running Lights (DRL) System Check

2

Replace the starter/arc tube assembly. Refer to High Intensity Discharge Headlamp Starter/Arc Tube Replacement .

Are the headlamps the same color or almost the same color?

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Go to Daytime Running Lights (DRL) System Check

Go to Step 3

3

Replace the ballast. Refer to High Intensity Discharge Headlamp Ballast Replacement .

Is the repair complete?

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Go to Daytime Running Lights (DRL) System Check

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