i got a 1998 blazer ls 4dr v6 vortec.

fuel pump is not kicking on.
i changed the fuel pump relay it worked for 3 days then i got stranded,changed the moudle next to the ignition coil and fuel filter truck worked for 2 days then didnt want to start anymore. i gave in and dropped the tank and changed the fuel pump still wont turn on.

help!

 

Welcome to the forum!


In the underhood fuse panel there is a vacant terminal next to the fuel pump relay. When you apply battery voltage to the terminal, the pump must activate. The circuit runs from the terminal, directly to the fuel pump, through a grey wire. It must show battery voltage at the pump module. The ground for the fuel pump is on the top rear left frame rail, extreme left rear corner of the frame. If that ground fails, the pump will not activate. Post your results and any questions.