STEED 0 Posted May 8, 2021 Hi, Trying to sort out some electrical issues on my 1991 1.9 Gti. Can anyone tell me what the two relays in the black box, behind N/S Strut top, are for. Thanks Share this post Link to post Share on other sites
Mac Crash 78 1 Cars Posted May 9, 2021 one of them on my car is the horn relay, it has air horns fitted. Not sure about the other one. Share this post Link to post Share on other sites
welshpug 1,621 Posted May 9, 2021 air horn and dim dip system. 1 Share this post Link to post Share on other sites
