Paul prinzo Posted December 31, 2016 Share Posted December 31, 2016 Where does the AC low pressure switch on a 2006 Granite get 12 volt power from Quote Link to comment https://www.bigmacktrucks.com/topic/48163-ac-low-pressure-switch/ Share on other sites More sharing options...
Mackpro Posted December 31, 2016 Share Posted December 31, 2016 From push button switch in dash it goes to another micro switch on the back of the AC/Heater control panel to the thermostat that's below the control panel then through a inline fuse by the control panel , then through the firewall and to the low pressure switch and on to compressor . Check the fuse behind the contro panel Quote Link to comment https://www.bigmacktrucks.com/topic/48163-ac-low-pressure-switch/#findComment-356633 Share on other sites More sharing options...
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