It sounds like you have a short in the wire or you have a loose connection.
( # 1 ) is a 20 amp fuse for the cigarette lighter in a 1999 Ford Mustang
Fuse #1 is a ( 20 amp ) fuse for the cigarette lighter in a 1998 Ford Mustang ( according to the Owner Guide )
The Mustang has 2 fuse boxes. The lighter fuse is located under the dash on the drivers side. The fusebox under the hood is for the engine.
It unscrews from the back.
On a 2002 Ford Mustang : ( fuse # 1 ) is a 20 amp fuse for the cigarette lighter * in the fuse panel below and to the left of the steering wheel , by the brake pedal ( it has a cover on it ) *
Fuse # 1 is a 20 amp fuse for the cigarette lighter on a 1998 Ford Mustang
On a 2000 Ford Mustang : Fuse ( # 1 is a 20 amp fuse for the cigarette lighter ) In the fuse box below and to the left of the steering wheel , by the brake pedal
The 2012 mustang is faster. Even though the camaro has more hp the mustang is lighter and faster than the camaro and the charger / challenger.
If you have no horn and cigarette lighter, its a fuse.
Lighter or radio.
According to the 1998 Ford Mustang Owner Guide : In the fuse panel under the drivers side of the dash : ( #1 is a 20 amp fuse for the cigarette lighter )
Drive backwards and stop repeatedly until they are adjusted.