GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Horns System Check?

--

Go to Step 2

Go to Horns System Check

2

Remove the horn relay.

Does the horn continue to sound?

--

Go to Step 3

Go to Step 4

3

Repair the short to B+ in CKT 29, between the convenience center and the horn. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Horns System Check

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4

  1. Disconnect the turn/hazard headlamp switch assembly connector C2.
  2. Connect a test light between terminal H of the turn/hazard headlamp switch assembly connector C2 and B+.

Does the test light illuminate?

--

Go to Step 5

Go to Step 6

5

Replace the turn/hazard headlamp switch assembly. Refer to the following procedures:

    •  Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column - Standard
    •  Windshield Wiper and Washer Switch Replacement - On Vehicle in Steering Wheel and Column - Standard
    •  Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column - Tilt
    •  Windshield Wiper and Washer Switch Replacement - On Vehicle in Steering Wheel and Column - Tilt

Did you complete the repair?

--

Go to Horns System Check

--

6

Connect a test light between terminal H of the turn/hazard headlamp switch assembly harness connector C2 and B+.

Does the test light illuminate?

--

Go to Step 7

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7

Repair the short to the ground in CKT 28 between the convenience center and the turn/hazard headlamp switch assembly. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Horns System Check

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