the horn relay on my '03 sunfire is under the dasboard taped to the wire bundle to the left side of the steering column.
Horn relay Switches at steering wheel
See stvndberryhill's answer under 1998 Pontiac Sunfire horn relays. This answer applies to all year models of Pontiac Sunfires.
Should be the same as 1995 Sunfire. Exact same question listed and answered here for it.
I have a 99 Sunfire GT. It is just behind the glove box in the back right corner right under the dash. It a regular size relay (about 1 X 1 X 2) and mine was white. My horn died recently, the relay clicks when the horn button is pushed (that's how I found it). I'm hoping that it's just the relay as I can't find the horn. Good luck getting it out, it's in a awkward place.
in the fuse box
Nevermind..I found the horn relay online.. My horn went off this morning and in a panic.. I unplugged it. My neighbor said he thought the horn relay went bad.. The top was down in my 2003 Wrangler during a rain storm and it got soaked..SO I don't know if this is related or unrelated... I found the horn relay on line.. here is the link... http://www.parts.com/jeep/2003-jeep-wrangler-electrical-parts.cfm I am guessing I can just try swapping out the horn relay for 8 bucks and go from there?
how to check fuse for horn in a 1998 Pontiac sunfire
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.
On the driver's side under the hood there is a flat cover. Remove the cover and you will see a fuse panel. The horn relay is bottom center.
The horn relay is in the fuse box by the passengers left foot. Not sure how to get at it though
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.
That would be a relay, not a fuse.