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3rd generation fuel pump 5.9 cummins

485 views 0 replies 1 participant last post by  trifit2000 
#1 ·
I have a 2004 ram 2500 and am adding a 2nd fuel tank switched through a 6 port valve. the lift pump has been upgraded to in tank. I have installed a second pump for the 2nd tank. I need to know what wire from the ignition triggers the main tank fuel pump relay so I can switch off the main tank pump when I switch to the 2nd tank. My concern is deadheading the pump when I switch tanks
 
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