I'm not familiar with this specific problem but modern epoxies are as good as a weld in many situations. They are used to mount brackets and such on military aircraft in place of bolts. If they'll handle multi G-forces in a fighter I think they'd hold a light socket in your truck. Try J-B Weld.

"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.