02-07-2026, 09:40 AM
I've just added 2 extra ones on my Polestar 2 and the wiring was in the tailgate but not in the floor harness of the car. The higher spec models appear to be wired for 2 or 3 as I had a floor loom from another car to do a repair on mine and the wiring for all 3 was present in that. Then I looked at diagram for the XC40 on the Loopbunny website it shows they all share the same output from the CEM and jointed at the front of the car which I confirmed with my spare harness. Its worth mentioning that the brown/green is also used for one of canbus networks on the Polestar and possibly other Volvo's so anyone looking to splice into the loom should verify they have the right wires.