Question about 1987 Ford Mustang

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Need horn relay diagram for 87 mustang

Theres clicking but no honk

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Clicking means the relay is getting power. Try a wire from the positive side of the battery directly to the horn's wire conection. If that works your relay is bad for it has bad contacts inside

Posted on May 23, 2009

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Posted on Jan 02, 2017

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On 2002 olds Intrigue, installing new horns but as soon as wires are plugged in horn honks . Removed horn fuse and relay but horn still honks .when pushing horn button ,with no horns, the relay clicks


You may have wires that have become crossed. The wire to the horn and a hot wire have probably lost the outer insulation and crossed each other causing the horn to start honking when it is connected. Check the wires with an electrical tester.

Oct 25, 2016 | Cars & Trucks

1 Answer

Tengo una isuzu hombre 97 no m funciona el claxon cambie la bocina y no funcion? q hago?


english please.
is car the Brazil HOmbre? ours is different. here. in USA.

we are USA english forum
horn is dead, 1997 Hombre.
check the fuse yet,that is always first, marked HORN it is.
a 20amp fuse.

the horn is very simple. but the path it follows is complex
(due to steering wheel turns, complications in all cars made)
first off is air bags if car has air bags , working on horn parts in dash will be dangerous, so defeat air bags first. !
the FSM book tells how to do that. read that. and do that.
be safe.
so you can test the horn on a battery, hot wired. just like a light bulb. same test. but why would both horns fail>?"relay"
clean the horn base grounds so its not rusty.
sure one horn rust, ignored then 2nd rusts and owner acts.
you can check the horn relay, or replace it.
the check the horn relay coil for 12vdc across the coil of relay while honking, 12vdc honking, if 0v, that means the horn switch in the steering hub is bad or the airbag, clock spring contacts bad (danger area)
the horn button grounds a wire. to energize the horn relay.
it only takes a volt meter to test all this.
got one?
other wise it's a gue$$ing game.

our car (USA) is:
"In 1996, Isuzu replaced its Pick Up with a version of the Louisiana-built Chevrolet S-10, the Isuzu Hombre, based on the Brazilian market S-10"

so will answer for S10.
this car has 2 horns if both are dead, check the relay

using a volt meter,
i honk the horn and the bottom of the coil in relay below goes to 0v
from 12v.
if its not 12vdc to begin i check the top of coil there.
if that pin is 0v, the fuse is blown, good looking fuse can in fact be bad. we test fuses. not guess.
if you honk the relay closes, (can be seen or heard to close)
click?
if the relay does click, then he bottom contact below goes to 12vdc
if not the relay IS BAD.
the below horns grounds are missing , error in the manual.
the horn bases are grounded. to the car body. if not they will be dead.


25764298-l5vdxutfli5mxanegjlvuoei-1-0.jpg

Jun 28, 2015 | Isuzu Cars & Trucks

2 Answers

How to fix a car horn f


replace it from any reliable auto parts dealer.

Apr 28, 2015 | 1998 Jeep Cherokee

1 Answer

Why won't my horn work on my 1991 jeep cherokee laredo?


the horn is simple , a horn a relay and switch, and fuse 15?.

but is complex by other factors.

1: the clock spring . no air bags in 1991, so very easy.



there are 2 ways to diagnose any horn..

1: hot wire it, does it now honk? if yes, hot wire the relay does it honk now?

2: or use any voltmeter ever made and find out why.



#2 is the save way.



id hot wire the horn and make sure that 1991 ground bolt

mount is really still at ground potential. id bet that bolt has

long sense rusted, and is useless, like most are by now.



the fuse and relay are both in the PDC

the PDC means, engine bay fuse box in gringo. (non jargon)

http://www.jeep4x4center.com/knowledge-base/index.htm?utm_source=cj#service

here is 93 for free.

see horn page one and the 2 tests.

or see the schematic.

at there, see the fuse box see fuse 15 (PDC 15?)

same chapter, see PDF page 90 (sheet33)



as you can see if the fuse is good.

12vdc arrives at the Horn relay on 2 pins.

if the horn switch works the relay ENERGIZES (closes)

and 12vdc arrives at the horn, and it honks

if while honking, the horn casing is 12vdc,

then means the horn is no longer grounded, a common happenstance.



if the relay dont energize check the horn ring contacts or connectors to it for continuity.

the relay can be tested, in the car.

like this.

honking

pin 2 and 5 are 12v

pin 1 = 0 volts

pin 4 is 12v, if 0v the relay is bad.



easy huh., ?

May 14, 2014 | 1991 Jeep Cherokee Briarwood

1 Answer

The horn in my 1999 dodge stratus keeps honking


the reason it is doing that is either the pad on the steering wheel is shorting as if you are pressing on it, or the clockspring under the steering wheel is shorting to ground. there is a horn relay in your fusebox inside the cabin; you could disable it there by pulling out the relay. don't pull the fuse because it carries other circuits as well. I couldn't find the exact relay position, but just feel them with your finger while someone honks the horn; the one that's clicking with the horn activation is the one to pull out. I can get you the layout of the fusebox but you really don't need it for that.

Mar 04, 2013 | 1999 Dodge Stratus

1 Answer

Saturn Keep blowing horn fuse


Could be a short in the steering wheel or column. Or a faulty horn relay.
You may need a wiring diagram to trace the circuits from the relay.
Usually the black wire is the ground and the green is voltage from the relay.

Dec 18, 2012 | Cars & Trucks

3 Answers

Horn keep goin off when i hook up battery


unhook the horn, hook it back up when you get the correct info to fix it

Jul 31, 2011 | 1998 Buick LeSabre

2 Answers

2000 Tahoe Horn broken


You can remove the horn relay and use a Ohm meter and check the resistance between the horn relay connector terminal No. 86 (Black Wire) and ground. If the ohms are less then 5 ohms replace the horn relay. There are a lot more tests but as Polarcycle states you can do what he suggested other then I believe you have two horns in this vehicle.

Jul 28, 2009 | 2000 Chevrolet Tahoe

1 Answer

Need to find the horn relay in a 1993 ford mustang gt I tested the horn and all fuses. I don't have a wiring diagram and chiltons doesn't show the horn circuit


94 was a new model freshening and I have 94. may be similar.

Horn Relay and fuse is in fuse box in engine compartment, driver side in front of strut tower.

Horn System The horn system includes:
  • Dual horns (13832) (one high pitched, one low pitched).
  • Horn blow switch (13A875) which grounds the horn relay, which energizes the horns .
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Apr 19, 2009 | 1993 Ford Mustang

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