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Seat heater control relay 900 1993

posted by  Onkel Udo II on  Wed Jan 2 10:47 CST 2013
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last visit: Fri Oct 24 08:50 CST 2014
[RELATED]

So my seat heaters in my shiny new 940 work...sort of. the initial burst of warming is real but the cycling from the relay/control unit is spotty at best.

After an exhaustive search it appears that the control unit/relay is the culprit. A hint to fix or a hack is made but I never found the fix. Not willing to shell out for a new relay any time soon so I will try the passenger to driver swap f no one has a hint.

Please keep in mind that these are the heaters that use the actual relay under the seat and not the thermistor (sic?) button in the seat.






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