my ground was good, turned out it was the LED switch. I replaced it with a simple on/off toggle and it works great
I should have done this 3 years ago when I got the truck
'98 24V 2500 4x4 5sp PDR40, TST ECM, DD2's, 128K miles
'95 12V 2500 4x4 Auto 246K miles, Stock power for now...