Voltage To The Fuel Pump ?

Having Bucking Problems With My 96 K 2500 5.7 My Voltage To The Fuel Pump Is 10.5 At The Rail With The Engine Running And Its 14.2 At The Fire Wall. Traced Wire Looks In Good Shape Replacing In Morning Any Easy Possibilities To Check First.

check your pins that goes into the tank. the wire side you can pop them out of the conector. They can corrode and cas a voltage drop across them.