Originally Posted by blownexploder94
What year S10?
Check the ground on the drivers side rear of the frame rail, infront of the bumper brackets. If the ground is not hooked up or broke fuel pump will not work, I believe it is also tied into the tail light harness.
Yep start by unpluging the trailer harness,see if you find a broken ground wire.check for power to the fuel pump with a test light.I would guess the prob is in the wireing,it would be very coincidental if something else failed,at the same time.