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I'm in the process of swapping the seats from one 740 to another. While the "keeper" seats look great, the seat heaters never worked. I've traced the problem to the bottom seat heater grids on both seats, and taken the cover off the passenger seat. The wire at the point of contact with the thermostat appears to have burnt through. I'm guessing that the cloth (also burnt through) was meant to insulate the wire from the thermostat, but am only guessing.
Can anyone confirm that the seat heater grid is electrically insulated from the thermostat?
Enough wire has disappeared that I am skeptical that I could easily solder the remains and hope for a lasting fix. I can pull the working grid from the old seat, but that is a leather (keepers are cloth) and the incredibly useful FAQ reads that these are different systems.
Can anyone confirm that the leather heater grids are compatible?
Lastly, if anyone knows of a good source for replacement parts please let me know.
Thanks-
Dylan
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