hello so i am currently doing a turbo build on my 1998 trans am that got left to me when my father passed, he had dual 340 pumps wired into a hobbs switch well i am getting rid of the switch and would like to run both thru the ecu can anyone help with how i can wire them together i am fairly new at this so any info would help thanks

 

Buy the Racetronix dual pump hotwire kit if you don't already have it. Makes wiring it up a lot easier. Are you running a factory ECU or aftermarket? If you have a factory ECU, it's going to be a lot harder to run it without a Hobbs switch. My setup is piggybacked, and the fuel pump wiring is still intact. I have a Holley Terminator X and it controls both pumps, but I still use the factory relay so it functions like stock. I use an output from the Terminator X to turn on my second pump at 4PSI of boost. You do not want to run both pumps constantly, it will end up burning them up.

 

ya i am running the factory ecu at least till next tax season

 

There is no way to separately trigger the fuel pumps without a Hobbs switch, as the ECU only has one fuel pump command wire. And, as I said, you do not want to 340 pumps running constantly because they will overheat your fuel and burn up the pumps.