72 Headlight,s

[saddletramp]

Evening Guys Im baffled ive fixed my Bezel lights now my headlights have some gremlins i turn my headlights on 2 minutes later they blink a few times then go out ive installed my grounds 2 on the firewall to the valve covers, 2 core support to the inner fenders, frame to the body 4 locations, 3 different high bean switches, new headlight switch which needed to be changed, ive searched this site looking at threads can someone give me some input on what to do next Thanks Saddletramp