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Is there a fuel pump fuse or relay on 2000 Blazer with 4.3 engine?

Yes, there is both a fuel pump relay and a fuel pump fuse on a 2000 Chevrolet Blazer with a 4.3L engine.

Here's where to find them:

* Fuel Pump Relay: Located in the underhood fuse box, typically on the driver's side of the engine compartment. It's usually a black, rectangular relay with a metal tab on one side. You might need to consult your owner's manual or an online repair guide for the specific location within your fuse box.

* Fuel Pump Fuse: It's also located in the underhood fuse box, but it's a fuse, not a relay. It's usually a small, cylindrical component. Again, refer to your owner's manual or a repair guide to find the exact location and identify the correct fuse.

Important notes:

* Consult your owner's manual: This is the best source for the exact location of the fuel pump fuse and relay in your specific vehicle.

* Use caution when working with electrical components: Disconnect the battery before working on electrical components to prevent electrical shocks.

* Inspect fuses visually: If you suspect a fuse is blown, check for a broken wire inside. If it's blown, replace it with a fuse of the same amperage.

* Inspect the relay: If you suspect a relay is faulty, you can try swapping it with a known good relay from another circuit to test.

* Professional help: If you're not comfortable working with electrical systems, it's best to consult a qualified mechanic.

By following these tips, you can properly locate and inspect your fuel pump fuse and relay on your 2000 Chevrolet Blazer.