View Single Post
  #8  
Old April 26th, 2004, 04:49 PM
LuckyPabst's Avatar
LuckyPabst LuckyPabst is offline
Private 1st Class
 
Join Date: Dec 2003
Location: Lone Pine, CA
Posts: 451
LuckyPabst is a Soldier
Default

Like Jon said,

It has an "in" side from the intake manifold and and "out" side to the wipers. When the vacuum signal at the "in" side drops, the pump will keep the vacuum up high enough to run the wipers.

Chris