Um... Only internal combustion engines have spark plugs. But I could be wrong so check next to your halogen fluid reservoir. If that does not help I would recommend replacing your muffler bearings
The horn on a 2005 Pontiac Sunfire, the actual horn is located behind the front bumper. To make the horn sound, you press on the center of the steering wheel.
The horn is located behind the front bumper fascia
The horn is located under the passenger side headlamp assembly.
how to check fuse for horn in a 1998 Pontiac sunfire
1996 Pontiac sunfire horn fuseIt would be named cig and will be the color blue on the fuse box.
See stvndberryhill's answer under 1998 Pontiac Sunfire horn relays. This answer applies to all year models of Pontiac Sunfires.
The horn fuse works through the cigeret lighter fuse
See stvndberryhill's answer under 1998 Sunfire horn relays. It is explained in great detail. The guy knows what he's talking about.
The horn relay on a 2003 Pontiac Sunfire is typically located in the under-hood fuse box. You can find this fuse box near the battery on the driver's side of the engine compartment. The horn relay is usually labeled on the inside cover of the fuse box, making it easier to identify. If you're troubleshooting the horn, it's a good idea to check this relay first.
There isn't a fuse for the horn. The horn instead uses a relay to function. The GM Parts Department specifies it is located underneath the driver's side panel where the accelleration and brake pedals are.
Remove the front bumper fascia.Unplug the horn electrical connector and remove the bracket bolt.
Horn relay Switches at steering wheel