GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Astro - 2WD 🢒 Body and Accessories 🢒 Horns 🢒 Horns System Check

Step

Action

Normal Result(s)

Abnormal Result(s)*

1
  • Press and release the horn switch.
  • Both of the horns sound. The horns stop sounding when the switch is released.
    •  Horns Inoperative
    •  Horns Always On

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.