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Re: Seat heater still not working... 700 89

posted by  someone claiming to be mike on  Thu Jan 14 12:55 CST 1999 [RELATED]

> 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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