Under your hood. To the right of your brake master cylinder. Two relays are located there.
NO.
The 1990 G20 Chevrolet Van fuel relay switch is located on the front of the fuel tank. The relay switch is next to the fuel pump.
in your fuel tank
The relay is not the common problem on these vehicles. More likely the fuel pump.
Inside the headlight switch.
$23,500 for Silverado Extend Cab. 2 wd
In need to get shifter off to remove transmission
Well..... Our Chevy Trucks fuse box is under the hood up front with the engine. Drivers side of truck under a very secure plastic box. It says Fuse-Relay Center on the box.
EEC stands for Electronic Engine Controls. The EEC Relay provides power to the computer.
in yo momsass
No in most cases but you do not list model so if it is a large truck it may have two.
passenger side of firewall in engine compartment