Fraz-ktf Posted September 30, 2013 Report Posted September 30, 2013 HiI'm having trouble fully understanding the wiring diagram for the heated seat switches on the TIS. The one wire I can't trace and don't know where it goes is the Grey/Blue that goes from the Passenger Heat Control Switch to "413-00-00-03" - My hunch is that it must be for the illumination of the switches but I'm only guessing. I don't know what this is, can anyone please enlighten me? also, what are the various number/letters (eg C309, S121, S3, C198 etc etc) please? Finally, there appears to be no relay in this setup, is this correct? many thanks Quote
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