General chaos Posted April 12, 2011 Share Posted April 12, 2011 93 subaru legacy. it supposedly has a reed switch in the dash cluster. what is a reed switch and what does it do. Link to comment Share on other sites More sharing options...
johnceggleston Posted April 12, 2011 Share Posted April 12, 2011 why do you ask? Link to comment Share on other sites More sharing options...
Cougar Posted April 12, 2011 Share Posted April 12, 2011 A reed switch is usually used with in conjuntion with a magnet that controls the switch action. Link to comment Share on other sites More sharing options...
Gloyale Posted April 12, 2011 Share Posted April 12, 2011 Speed sensor. opens/closes 4 times per revolution of the speedocable. That pulse is converted to a speed signal by ECU. Link to comment Share on other sites More sharing options...
General chaos Posted April 12, 2011 Author Share Posted April 12, 2011 ok. a speed sensor or switch. then it would have nothing to do with my electrical problems. its a long story and isnt finished yet. but i am getting closer. thanks to all who replied. Link to comment Share on other sites More sharing options...
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