Re: Seat heater still not working...[700/89]

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Re: Seat heater still not working...[700/89] posted by mike on
Thursday, 14 January 1999, at 6:55 p.m.

> I'd guess the scheme is to use a timer relay to control heating by

that sounds correct. I brought the seat heater relay into
work here at cisco and opened it up. pretty simple, two
transistors a relay and an nec chip we identified as a
low powr oscillator/timer chip. Thats probably why the other

Mike is only getting heat once whereas with my jumper I
get heat whenever I flip the switch. I'll let you know
about retrofitting a higher temp button thermo ala the
240 style. these are available in a wide range of cut off
temps, from various vendors (volvo uses elmwood of
providence ri)
Mike

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