If you look far and wide, you can get a pressure guage to check fuel pressure. Pumps are notorious for going out on these vehicles. And since it is located inside the tank, you will have fun replacing it.
Most of the relays are located in the power distribution box under the hood. It should hold the horn relay, AC relay, fuel pump relay and others.
Yes, it is a fuel pump relay.
Yes, along with many other causes a bad fuel pump relay can cause a no start. The fuel pump relay provides power to the fuel pump.
You can swap relays within the relay center with another relay that matches, but in most cases it is seldom the relay at fault, it is probably a bad fuel pump.
try your fuel pump relay on your power distribution block under the hood
under hood fuse box.
The fuel pump relay on a 92 gmc 1500 is located on the passenger side of the firewall behind a black plastic cover.
The 2014 GMC Sierra-1500 runs on flex-fuel (FFV).
it is under the upper intake manifold, if you have a vortec engine
Its on the firewall on the left side above the motor. If there are two relays there, the fuel pump relay should be the one on the left.
gmc 1500 sierra was fuel injected in '92
Fuel injection
The 2003 GMC Sierra-1500 runs on regular unleaded.
The 2004 GMC Sierra-1500 runs on regular unleaded.
The 2009 GMC Sierra-1500 runs on regular unleaded.
The 2005 GMC Sierra-1500 runs on regular unleaded.
The 2001 GMC Sierra-1500 runs on regular unleaded.