Hello all. I'm hoping someone has some insight on this as it has me baffled. All lights operate except for the drivers side (LH) High Beam. Replaced bulb, no go; no power seems to be coming to the wiring using a test light. The only other thing not working on the truck related to lighting is the Dome light that won't shut off but will turn on/off using the remote keyless entry. Otherwise I have to use the Dome Override switch. Not sure if the High Beam is related to this circuitry.

 

I would check with a voltmeter to see where you are losing current.