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 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 Share on other sites More sharing options...
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