View Single Post
  #1  
Old 06-14-2009, 01:12 PM
Jim Rispoli Jim Rispoli is offline
Junior Member
 
Join Date: Nov 2008
Posts: 20
Default Hideaway Headlight Valve

Hi, I'm working a 1969 GTO hideaway headlights. My question is the one way valves are not marked which way they go. One end is tapered black and the other end is white. which end receives vacuum in from source? Thanks Jim