Jumping the Fuel Pump Relay on a TBI Chevy Truck

If you're stuck in the driveway or a parking lot trying to figure out your TBI how to jump fuel pump relay on chevy truck, you're likely dealing with a classic "crank but no start" situation. It's a frustrating spot to be in, especially with these older square bodies or early 90s GMT400 rigs that are usually so reliable. When you turn the key and don't hear that familiar two-second whir or hum from the gas tank, the fuel pump relay is the first suspect on the list. ...

February 27, 2026 · 7 min · Frederik Mrs