Vacuum Line Diagram?
Need a T off the vac pump. One side to the vac ball, the other to the cruise control relay/solenoid (where the speedo cables run into). If your wanting to keep the EGR soleniod, need a Y coming off the hose that's going to the cruise control. From there, it's a guessing game.
The EGR soleniod is attached to the fuel distributor correct? As of right now, I have the T on the vacuum pump, with one side going to the cruise control and the other going to what I am assuming is the EGR on the fuel distributor. Does that sound correct? Also, there are what appear to be return lines coming from both the cruise control and the fuel distributor...
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Gm3500
Chevy/GMC 6.2L and 6.5L
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May 7, 2015 11:01 AM




