Do any of the new seat wiring colours match the existing wiring colours?
Did your old seats that you have removed have a relay underneath?
Is it just the drivers electric seat that has a relay?
Your passenger seat 4 pin plug with just 2 wires what are its wiring colours? Suspect black ground and red live to fuse 7. If your old seat doesn't have a relay then your new seat probably doesn't require one. The 2 prong plug which suspect is heater does it match the new 2 pin seat wiring colours?
James.
Last edited by volvo always; Jun 1st, 2020 at 12:18.
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