Symptom Chart

WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM CHART

Condition	Possible Sources	Action
The horn is inoperative	Fuse Circuitry Horn Clockspring Steering wheel switch harness Horn switches (part of the steering wheel) Smart junction box (SJB)	GO to PINPOINT TEST A .
The horn is always on	Circuitry Clockspring Steering wheel switch harness Horn switches (part of the steering wheel) Smart junction box (SJB)	GO to PINPOINT TEST B .