Chris M Posted October 14 Share Posted October 14 My GT/E has twin horns, high and low note. High note isn't working but low note works fine when connected to either of the two connectors down near the front crossmember ! I have bought a new one and that doesn't work when connected but does when connected directly to the battery! I believe that the Manta didn't have a horn relay from the factory so I have obtained this wiring diagram off the Internet and was going to wire it in but just thought I would check on here first. Should I attempt to use the relay or can anyone suggest anything else. Thanks Quote Link to comment Share on other sites More sharing options...
Mike. Posted October 15 Share Posted October 15 Hi Chris M, exactly the same issue on my Manta B, duel horn set up but if both horns are wired up and you push the horn button on steering wheel the horns seem to Labour and stick but if you only wire one of them in, doesn’t matter if high or low, either will work individually. Quote Link to comment Share on other sites More sharing options...
H-400 Posted October 15 Share Posted October 15 (edited) Had about ths same issue, two horns and when pushing the horn buttom a click... When disconnecting one of the two the other one works normal, as Mike doesn't matter wich one. But it is only after a long time of not using the car, so before using the car I connect it on a batt.charger and everything works normal. Weird is that when the horns do not work the car starts without any problem, and with running the engine the horn still doesn't work until I charge the battery or after making a trip with the car. I Think in my case it is an earth issue, propably in the steering collumn. Edited October 15 by H-400 Quote Link to comment Share on other sites More sharing options...
1900SR Posted October 15 Share Posted October 15 I had a similar problem with a twin horn set up on my A, they would only really work if the engine was running. I think one of them was maybe getting corroded so needed a higher current to work. Unfortunately when the car went in for some work the person who did it removed one of the horns and disposed of it so I no longer have my rare option. I was told if I remember correctly some time before that soaking the horn in diesel may have helped to free it up. Quote Link to comment Share on other sites More sharing options...
chrisb Posted October 15 Share Posted October 15 I replaced both of mine on my GTE coupe and only 1 would work, after a while the 2nd one kicked into life and started working correctly as a pair. 1 Quote Link to comment Share on other sites More sharing options...
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