Go Joe! With the Kung-Fu Grip! Starting to show my age. oops. 11B, 11H, 63B, 68H, just to name a few.
Have you taken apart and cleaned up your 6, 7? ground connections?
Eng comp front left and right, I seem to remember, Eng comp rear left as your looking at it, near hood hinge. Interior bottom of both kick panels and rear right under the tail gate, once again, standing in front of the truck and looking at it.
Impressive how many problems go away with good, cleaned and greased grounds.
I even fixed my cruise control mysterious problem. I even reduced the amperage through the HL switch and back feed voltage.