Re: 68 Headlight Vacuum Doors Won't Work
Make sure you have the one way check valve. I'm not sure, but if memory serves me right this can be the culprit. Others may know better and will chime in. also, when open try pulling the switch out on the vacumm tank and see if they close....they should.
1968 Camaro RS orig AC car, ZZ Fatburn, Doug's D368 Headers, Tremec TKO600 w/ Hurst Blackjack, 12 Bolt Posi 3:73 mulitleaf, SFC's, Budniks, Hotchkis, Magnaflow, etc