Horn Relay for m.o.t
 

Hi everybody, as my title says i need a horn relay asap for a classic (1995) for the mot in the morning. The relay is the 3 prong red one. Does anybody no a way round of getting it to work or anywhere of getting one at this hour on a Sunday?
Thanks Jon

halfords might have one. If you are certain it's that, you can split them, maybe find if it's burnt or corroded inside and clean up the contacts.

I'd replace it as soon as, though, even if you get it to work.

Thank you. Unfortunately Halfords didn't have the part, my own fault, I completely forgot about it. Looks like a last minute rush job tomorrow. ...live and learn