pin 4 at the headlight switch or/br is the 12v supply to light your gauges installed
pop the dash side panel off and unplug the headlight switch and pull it out to work with..........careful the steel framing of the dash is SHARP!
made this thread because the search function doesnt cut/dry...
I have a 07 Mega cab 1500 what wire can color is hot with the markers on to illuminate to light the gauge when the headlights are on? Does anyone have the wiring diagram handy or know which wire.
Is it Possible to get a Trans Temp gauge with a OBD 2 pass thru?? I have bought an Automate blue tooth and tryed Car scanner, Torque Lite, OBD Auto Doctor and the Torque Pro i purchased for some reason wont work On my tablet...
Does anyone have experience with this and can lead me the right...
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