98 Dodge Ram 1500 quad cab

Asked by GuruWC9TF May 01, 2018 at 05:38 PM about the 1998 Dodge RAM 1500 ST Club Cab 4WD

Question type: Maintenance & Repair

When I turn on the headlights my horn goes off as
long as the headlights are on, what is going on with
this thing?

1 Answer

27,570

A simple fix would be to pull the horn fuse till you figure it out. Pulling the horn relay would do the same thing. Just make sure the lamps and everything works. Of course the horn won't work. As you can see the top wires to horn relay are voltage, hot all the time. The right side if relay in diagram is the load side of relay. The left side of relay is control side, the control side needs voltage and ground to energize the relay. The bottom wire on left side is ground, That wire is either shorted to ground or something is causing it to ground.

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