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I haave an 06 3500 with dual tanks.
Ok, so what exactly tells the engine ECM to turn on the fuel pump for the auxilary tank.? And which tank is the primary and which one is secondary?
Acording to All-data, the front tank is primary and rear is secondary, however the wiring for the senders suggest the oposite when wire colors are compared to my diagram.
Any ideas, I'm totaly stumped.
Ok, so what exactly tells the engine ECM to turn on the fuel pump for the auxilary tank.? And which tank is the primary and which one is secondary?
Acording to All-data, the front tank is primary and rear is secondary, however the wiring for the senders suggest the oposite when wire colors are compared to my diagram.
Any ideas, I'm totaly stumped.
