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Driver seat heating problem

Help, Advice, Owners' Discussion and DIY Tutorials on the current (third) generation Volvo V70 wagon and XC70 crossover, and second generation S80.

This is a forum for owners or prospective owners of the third generation V70, second generation S80, and its siblings built on the EUCD platform.
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Joined: Mon Dec 11, 2017 11:49 am
Year and Model: 2008 V70
Location: Turku
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Driver seat heating problem

Post by 0202224 » Mon Dec 11, 2017 12:38 pm

I have a problem with (V70 P3) seat heater. I have checked fuses in tailgate and replaced relay/control unit under driver's the seat with the passengers seat unit...still no heat. Can anyone tell me how to measure a heating wire in the seat? What is the correct resistance and which are correct wires/connectors? There is two gray connectors and one green connectors which are connected to the relay/control unit. I assume that wires from the green connector goes in the seat. If someone had wiring diagram it would be great help.