the horn relay is in the center, behind the instrument panel, mounted on a brace
For 1996-1999 Taurus / Sable, the horn relay is on fuse #19 in the Power Distribution Box in the engine compartment
This is well detailed and illustrated in the Owners Manual - See "Related Questions" below for more
Not working?If your horn is not working, it could be the wire connectors need cleaning. Find the horn in the very front corner underneath the passenger side headlight area. The connectors just push on - pull them off and clean the metal blade the connector attaches to.Did that on my 1998 Sable 3 years ago and haven't had a problem since.
On my 98 Sable, it's up under the passenger side of the engine compartment - way towards the front.
Maybe the 2003 is still in the same neighborhood.
pop the hood on the car, and with the engine off have someone try to honk the horn. have them listen on the inside of the car and you listen on the outside of the car. if either one of you hears a clicking noise (anywhere other than the steering wheel) then you know that it is most likely your actual horn assembly under the hood, probably mounted by the radiator somewhere. if there is no clicking noise you either have a blown fuse, a bad relay, or a faulty wire connection.
1996-1999The horns are on the way front - passenger side, just behind the bumper cover.After confirming the fuse is good, check the wire connections to the horns. Mine were corroded and only one of the pair would work whenever it felt like it.
I pulled the connectors off and scraped at them with a screwdriver - enough to improve the contact and they have worked reliably since.
It is located in slot #30 it is a 15A. Look in the fuse box under the drivers side above the brake pedal.
1999 mercury sable horn replacement
The horn is small spiral metal box ending at the outside in a rectangular sound opening. In Taurus and Sable they are mounted on the front end of the chassis frame.
where is the horn relay on my 1993 Mercury Sable located
on the steer wheel
The horn relay for a 1998 Sable is on the back of the distribution block. The block is under the dash on the drivers side.
Push in on the turn signal indicater
The fuse for the horn of a 1995 Mercury Sable is located in the engine compartment fuse box. Fuses in the fuse box are labeled with numbers, the number direct what job they handle. The horn relay is in slot 12 and is rated at 20 amps.
A horn can stop working due to a faulty wire, fuse, or horn assembly. On a 2003 Ford Taurus check the wiring with a spark tester to ensure there is a live current flowing through.
Behind the center of the dash on the brace.
Check under the front bumper area on the passenger side.
Needs a new battery.
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