Hey fellas! New to the forum, and I can't wait to talk to ya! Not new to the old Fords, family tradition going way back. My buddy has a 78 F-250 and his dash lights are very intermittent. We get in there to find the plastic housing the light sockets bite on to pull up tight to the printed circuit are as tough as dried up cottage cheese. (tastes better, tho). Is this the AZ heat, or a common problem? Can I find a cluster that does not have this prob? Thanks in advance!