GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Automatic Day-Night Mirror Diagnostic System Check?

--

Go to Step 2

Go to Automatic Day-Night Mirrors System Check

2

  1. Disconnect the inside rear view mirror.
  2. Place the test lamp across harness connector terminals 1 and 2.

Does the test lamp light?

--

Go to Step 3

Go to Step 4

3

Replace the inside rear view mirror. Refer to Inside Rearview Mirror Replacement .

Is the repair complete?

--

Go to Automatic Day-Night Mirrors System Check

--

4

Repair the open or shorted power circuit. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Automatic Day-Night Mirrors System Check

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