Volvo S60 II facelift (2013-2018) Trailer tow circuit, 4-pin

4-PIN TOW HITCH CABLE HARNESS BLK/GRN WIRE BLK/ORG WIRE BRAKE LIGHT CONTACT BRN WIRE CARGO COMPARTMENT DISTRIBUTION BOX CENTRAL ELECTRONIC MODULE CENTRAL ELECTRONIC MODULE COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT COLD ZONE ENGINE COMPARTMENT DISTRIBUTION BOX G-TRM GRN WIRE GRY/ORG WIRE HOT AT ALL TIMES LEFT REAR LAMP HOUSING RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT END OF DASH) STOP TRAILER MODULE (TRM) VIO/BRN WIRE VIO/ORG WIRE VIO/WHT WIRE W/O START/STOP FUNCTION W/ START/STOP FUNCTION WHT WIRE YEL WIRE