macandrc Posted January 3, 2008 Share Posted January 3, 2008 I have fitted electric windows to my 90, i understand that to use normal rocker switches i need to wire up a relay to operate. Does anyone know if the switches found in cars have teh relay built in, i.e. so i dont have to have a pile of wiring behind the dash? or do car window switches still require an external relay? Colin Quote Link to comment Share on other sites More sharing options...
simonb Posted January 3, 2008 Share Posted January 3, 2008 I have fitted electric windows to my 90, i understand that to use normal rocker switches i need to wire up a relay to operate. Does anyone know if the switches found in cars have teh relay built in, i.e. so i dont have to have a pile of wiring behind the dash? or do car window switches still require an external relay?Colin It varies, some have relays, some don't, some have the current sense bit in the switch to detect a stalled/closed window, others like a Disco have an ECU to do all of this... Quote Link to comment Share on other sites More sharing options...
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