on a mk4 the horn is under the plastic by the wipers so no cutting the wire the lights will still go off tho.iv taken mine of but still flashing lol so now iv taken the sounder unit off from under the wing passinger side to see if its the back up gess it was as thay was creoded so now iv got to make up a new power suply.hop this helps.?
therealshadowuk walsall, May 2012