The fuel pump relay fuse for a 2003 Chevy 2500 HD 6.0 is located in the underhood fuse box. It is fuse F10, a 30-amp fuse.
Here are the steps for locating the underhood fuse box:
1. Open the hood of your vehicle.
2. The underhood fuse box is located on the driver's side fender.
3. It is a black plastic box with a red cover.
4. Open the cover to access the fuses.
To remove the fuel pump relay fuse:
1. Use a fuse puller tool to grasp the fuse.
2. Pull the fuse straight up and out of its socket.
3. Inspect the fuse for damage. If the fuse is blown, replace it with a new 30-amp fuse.
Here is a diagram of the underhood fuse box:
[Image of underhood fuse box diagram]
The fuel pump relay fuse is located at position F10.
If you have any questions, please let me know.
