Do NOT use G or older. OK to use H and newer. H does not have 2 holes for the horns. J and newer has 2 holes for the horns. If using 1007256-00-K to replace 1007256-00-H, please also order the following parts:. HORN - ELECTRICAL, 12V, 510 Hz -- 1024911-00-C X 1 HORN - ELECTRICAL, 12V, 410 Hz -- 1024910-00-C X 1 BOLT, BLT HF M6-1.00x20[8.8]ZnAlW -- 1009420-00-A X 2 CLIP, M6,BUR100015 -- 1013802-00-B X 2 HARNESS (WITH HOMELINK) -- 1004557-01-J X 1 HARNESS (WITHOUT HOMELINK) -- 1004557-02-J X 1 M5 SCREW -- 1006533-00-A X 2 COIL,LF,PASSIVE ENTRY -- 1005627-00-B X 1 FRONT DUCTING GASKET SET -- 1039348-00-A x 2