Hello. My 2002 punto's horn has stopped working. Had the car for about 6 months when the horn stopped working. Been fine without one but MOT's up soon and ned it fixed. The horn works when in another car or connected to the battery. We have checked the fuse, relay and switch in the steering column and they are seem to be working fine. Cleaned the connectors and tried everything we could find on this forum but the horn refuses to work. Any ideas/help would be very much appreciated.


Thank you very much,

Jack

IS 12v actually getting to the 12v terminals for the horn?

Ziggy

No it isn't. The switch isnt connecting to make a circuit I think.

Just checked earthing the horn and that hasn't helped either

not sure if this helps or not but....

ive only just bought my punto and when i look through the car history, for the MOT last year it had to have the horn replaced...not sure if this is a common fault or not...
if you have friend with a car, that would be happy for you to whip his horn off, and connect to yours...it would then tell you if the horn is at fault or switch etc.....
(just a thought)

Ziggy122 said:

IS 12v actually getting to the 12v terminals for the horn?

Ziggy

Click to expand...

Robertxtrem said:

No it isn't. The switch isnt connecting to make a circuit I think.

Click to expand...

when testing this make sure someone is pressing the horn at the time

Yeah my dads helping me. My horn worked in his car but I haven't tried his horn in my car yet.

when horny pushed you should hear relay click in fusebox next to battery
if you hear it click then chop the ends off the loom that connects to horn and crimp new terminals on
if it doesnt click then you need to go in deeper but beware the horn wires in the clock spring to the steering wheel do the airbag too so be extremely careful
i hard wired a horn last time clock spring broke from relay to dash then to earth

well if your horn works in his car, then it should be fine in yours.... checking the cables would be next, do a continuity test for that.....from switch to horn....

checking fuses, check your getting voltage to switch,....check your ground....etc

hth

what S and B said give all the connectors at the horn a good clean up with some sand paper a needle file or just crimp on some new terminals, its usually down to corrosion on the terminals of the horn. \

if the airbag light is on too then you might have other problems

I tried cleaning the connectors. Will crimp them and give that a try.

No luck with that

How have you actually tested your Relay exactle?

have you physically applied 12v low current to the magnets Pins and did a continuity test on the Actual switch pins? (cant remember there pin numbers btw)

Or swapped with a working relay?

I'd check the wiring too, you'd be surprised how 1 day a wire can be fine then burn out the next

Also have you swapped the fuse, have heard fuses Appearing to be ""fine"" but a new fuse is all it took?

Ziggy