2005 Pontiac Sunfire horn does not work and left headlights

Tiny
LISASEAN
  • MEMBER
  • 2005 PONTIAC SUNFIRE
  • 4 CYL
  • FWD
  • MANUAL
  • 78,000 MILES
The horn has stopped working. I have changed the fuse. That is not it. Can you tell me where the horn is located under the hood. And the high beam light and the dash is on with the service wrench light. I have replaced the high and low beam bulbs but the head lights on the left(drivers side) still does not work. Pls help
Monday, April 20th, 2009 AT 3:48 PM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi lisasean,

Horn is located next to front impact bar.


https://www.2carpros.com/forum/automotive_pictures/192750_Horn05Sunfire_1.jpg



Right and left headlights has different fuse but works by the same control in combination switch.

Check for battery voltage at headlight Dark Blue wire. If voltage is not present, either fuse is blown, wire harness connector is bad or you have a broken wire from fuse to bulb.

The service light showing means an error has been detected and you would need to get a scan done to find out the Diagnostic Trouble Code.
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Tuesday, April 21st, 2009 AT 12:03 PM
Tiny
LISASEAN
  • MEMBER
  • 3 POSTS
We took the car to the dealership for the light and horn problem and they found on the main wiring harness from the lamp harness to the firewall 2 broken wires at the multipack connector under the air intake box. Hope this helps someone else out there because it cost us $400. At the dealership to have it repaired.
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Saturday, April 25th, 2009 AT 9:21 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Thank you for the feedback, it is very much appreciated.
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Sunday, April 26th, 2009 AT 8:52 AM

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