GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Disconnect the Stop Lamp Switch.

Are the stop lamps still ON?

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Go to Step 3

Go to Step 2

2

Adjust/replace the Stop Lamp Switch.

Refer to Stop Lamp Switch Adjustment in hydraulic brakes.

Has the repair been made?

--

Go to Exterior Lights System Check

--

3

Repair a short to B+ on circuit 17.

Has the repair been made?

--

Go to Exterior Lights System Check

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