Listed below is the vehicle specific wiring diagram for your car alarm remote starter or keyless entry installation into your 1999 2002 volvo s80 this information outlines the wires location color and polarity to help you identify the proper connection spots in the vehicle. The vadis disc doesn t have wiring diagrams on it but you should have received a second disc of wiring diagrams which includes relays. Camerons car reviews 82 686 views.