Symptom Chart

WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. 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	Circuitry. Horn relay. Horn switch. Horn. Smart junction box (SJB). Bussed electrical center (BEC). Speed control actuator. Clockspring.	Go To PINPOINT TEST AO: THE HORN IS INOPERATIVE .
The horn is always on	Horn relay. Circuitry. Horn switch. Clockspring. Smart junction box (SJB). Speed control actuator.	Go To PINPOINT TEST AP: THE HORN IS ALWAYS ON .