Hardy Posted August 13, 2014 Share Posted August 13, 2014 Hello,I am looking for a electrical drawing for heated mirrors on a 89 superliner.The manual I have does not show heated mirrors,On the truck I can see the purple /white wire leaving the switch into main harness but cannot find where it comes out.Thanks. Quote Link to comment https://www.bigmacktrucks.com/topic/36677-heated-mirror-circuit/ Share on other sites More sharing options...
85snowdog Posted August 13, 2014 Share Posted August 13, 2014 In the wiki there is an R model wiring diagram. It might help point in the right direction.http://www.bigmacktrucks.com/index.php?/tutorials/article/55-r-model-wiring-diagram/ Quote Keith Link to comment https://www.bigmacktrucks.com/topic/36677-heated-mirror-circuit/#findComment-255899 Share on other sites More sharing options...
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