tmphan Posted August 2, 2005 Share Posted August 2, 2005 any ideas how to hardwire the power for xm radio so i dont have to plug the cord into the cig lighter...?? 93es300 Quote Link to comment Share on other sites More sharing options...
CUMan Posted August 2, 2005 Share Posted August 2, 2005 I would run a new wire to the fuse box and tap into one of the circuits that is powered when the car is running. I used the windshield wiper circuit for my radar detector. If I recall correctly, the XM tuner operates on 6 volts. You will have to obtain a transformer to reduce the voltage from 12. Check www.XM411.com. They have a forum about XM hardware and installations. There is a company called My Radio Store that advertises on this forum. I think they will probably have the transformer and anything else you may need. Quote Link to comment Share on other sites More sharing options...
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