cheekymonkey Posted January 19, 2008 Share Posted January 19, 2008 Since I got cut up by another driver yesterday and was unable to respond, I thought I better sort out my horn Included with my supra specific boss kit was a wiring adaptor (pic attached). I see that the stock horn works by grounding the blue wire in the picture, so I assumed the black wire is a handy ground - but jam the wires together and nothing happens. Where do I get a ground from if it's not that black wire? Anyone know if any of the other pins in that connector block is a ground? Quote Link to comment Share on other sites More sharing options...
CarlT67 Posted January 19, 2008 Share Posted January 19, 2008 The steering column itself is the ground for the horn. If you take the live wire which plugs into the socket, and place it against the hub or the hub retaining bolt then the horn should sound...! Quote Link to comment Share on other sites More sharing options...
cheekymonkey Posted January 19, 2008 Author Share Posted January 19, 2008 OK, that makes sense. I just wonder what the black wire is for. I may just remove it Quote Link to comment Share on other sites More sharing options...
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