GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Horns System Check performed?

--

Go to Step 2

Go to Horns System Check

2

  1. Replace the horn fuse.
  2. Disconnect terminal B from both of the horns.
  3. Press the horn button.

Does the fuse blow?

--

Go to Step 3

Go to Step 4

3

Repair the short to ground in CKT 1329 (DK GRN) between the horn relay and the horns.

Is the repair complete?

--

Go to Horns System Check

--

4

  1. Plug in the right horn.
  2. Press the horn button.

Does the fuse blow?

--

Go to Step 5

Go to Step 6

5

Replace the right horn. Refer to Horn Replacement .

Is the repair complete?

--

Go to Horns System Check

--

6

Replace the left horn. Refer to Horn Replacement .

Is the repair complete?

--

Go to Horns System Check

--