GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Headlight System Check?

--

Go to Step 2

Go to Headlight System Check

2

Are both low beams inoperative?

--

Go to Step 3

Go to Headlamps Inoperative - One Lamp

3

  1. Disconnect the combination switch connector.
  2. Connect a J 36169-A fused jumper wire from the combination switch connector cavity 10 to ground.

Do the low beams operate?

--

Go to Step 4

Go to Step 5

4

Replace the combination switch.

Is the replacement complete?

--

Go to Headlight System Check

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5

Repair the open RED/WHT wire between cavity 10 of the combination switch connector and S243. Refer to Wiring Repairs in Wiring systems.

Is the repair complete?

--

Go to Headlight System Check

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