Posted December 20, 200420 yr comment_105720 Anybody have any schematics (or how ever you spell it) on a heater for a 77 280z. I need to know where all my vacume lines go from the heater/AC/defrost switch. If anyone knows please let me know. Thanx Link to comment https://www.classiczcars.com/forums/topic/14389-heater-vacume-lines/ Share on other sites More sharing options...
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