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My 97 Chevy 3500HD has dual tanks, but I cannot get the rear tank to feed into the front. My dealer says it needs a module. About $250 parts & labor. Is there a manual switch that I can install instead, like my old GMC?
 

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www.jcwhitney.com has dual tank manual switches. I would think that the most dollar effective thing to do is buy the OEMpart and install it yourself, vs. installing the manual switch. no telling what you'd have to change to make it work. www.gmpartsdirect.com is reasonable on most things. Dealers over charge as a matter of course.
 

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Thank you, Quantum Mech.


I am new to this board, and enjoy all the good information.


I definitely want a manual switch, but need to find a wiring diagram for this fuel switchover module to see where to make the connections.


I especially enjoyed your post on programming. I have a VW TDI as well as the Chevy 3500HD, and am reading all that I can find on the subject.


I also plan to do the DIY Boost control in a week or so.


Thanks again.


BoxsterGT
 

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I'm stuck on how to acquire the GM calibration files. A one year subscription from GM is $1000. I intend to get them without such a hefty fine.
 
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