Specific wiring harness for connecting seats with heating elements for VW Golf 3 / Vento the wiring will be connected to the original seat heating switches and the car's central electrics additionally required parts: original heating switches original seats with heating elements only one harness is required for both seats in case the harness for the relay does not exist, item 30013 will be required additionally Scope of delivery: cable set Note: most sports seats (recaro) are already equipped with seat heating on request, we will provide you with information on how to retrofit heating elements on existing seats