Your truck does not have a turn signal flasher it have a lighting control module located in the IPM in drivers side under the dash. Here is a wiring diagram and a diagram to help you see what I am talking about.
Use this guide to help you see where you are losing power
Check out the diagrams (Below)
Please let us know what you find. We are interested to see what it is.
Images (Click to enlarge)
Friday, December 8th, 2017 AT 7:28 PM