Vacuum Pump wiring
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Junior User
Joined: Nov 2007
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Vacuum Pump wiring
I have a bd exhaust brake on my truck and the pump is not coming on. there is the original connecter for the stock pump that the relay taps into does anyone know where the wires for that connecter go?? they are a Green with a single red stripe and a black wire. Also do you know where I can find the wiring diagrams for this truck??
Senior User
Joined: Dec 2007
Posts: 256
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From: frostburg md
I have the same problem with mine i called db and they emailed me the diagram the fellow i talked to on the phone said that it sounded like a realay ive replaced all 3 and it still is not working i have to cross the realay under the hood to get it to pump up from time to time if i dont the butterfly wants to start to shut and the egts start to rise
