Larger 2AWG main wire along with all new A/C clutch and alternator warning light wires and plugs. All wrapped in a heat shrinking woven braid sleeving. Depending on fuse box, minor trimming for the cable to fit with the lid closed may be needed. Fits all MK4's, PQ34 Beetles and TT's regardless of original 3 pin or 4 wire style signal harness.