How To Jump Fuel Pump Relay On Chevy Truck?

If you’re a Chevy truck owner in need of a solution for jumping your fuel pump relay, you’ve come to the right place! In this article, we’ll provide a step-by-step guide on how to jump fuel pump relay on chevy truck” while prioritizing your safety.

While we recommend having a professional handle this repair, experienced DIY enthusiasts can follow these instructions with caution to work safely around the engine compartment. We’ll also cover the necessary tools and troubleshooting tips to get you back on the road quickly. Keep reading to learn more!

What is the Fuel Pump Relay?

The fuel pump relay is responsible for regulating the current flow in your truck’s electrical system, which is no small task. From the ignition system to the lights and anti-lock brakes, this relay governs every aspect of your truck’s electrical functions.

In addition, if the fuel pump relay detects any issues, it can limit or halt the flow of electricity altogether. Without this crucial component, your truck wouldn’t be able to function properly.

Symptoms of fuel pump replay issues

How To Jump Fuel Pump Relay On Chevy Truck (1)
How To Jump Fuel Pump Relay On Chevy Truck (1)

While the fuel pump relay is one possibility, it’s not always the culprit. A dead battery or malfunctioning starter could be the cause as well.

To help determine if it’s the fuel pump relay, keep an ear out for the sound of the pump starting as you try to start the car. Other signs of a fuel pump issue could include the check engine light turning on, the car slowing down or stalling while driving, or rough acceleration.

What causes fuel pump relay failure?

The answer is often simply age.  Like any electronic component, the fuel pump relay can simply stop working after years of use. Despite being well-protected and encased in plastic, over time the relay’s internal components can become worn or damaged, leading to failure

Tools to Replace Your Fuel Pump Relay

To bypass your Chevy truck’s fuel pump relay effortlessly, equip yourself with these must-have tools:

  • Ratchet set
  • Extension cables
  • Open-ended wrench
  • Replacement fuel pump relay

How to Bypass the Fuel Pump Relay?

How To Jump Fuel Pump Relay On Chevy Truck (2)
How To Jump Fuel Pump Relay On Chevy Truck (2)

Here are the steps to jump your truck’s fuel pump relay:

  • Locate the Relay
  • Disconnect the Terminals
  • Connect Jumper Cables
  • Start the Engine
  • Check the Fuel Gauge Light

Step 1: Locate the Relay

Open the hood of your Chevy truck and locate the fuel pump relay. It is usually located near the battery terminals or the fuse box. Consult your owner’s manual if you’re having trouble finding it.

Step 2: Disconnect the Terminals

Disconnect the battery terminals carefully. You will need to remove the black negative cable, but you can remove both if you prefer.

Step 3: Connect Jumper Cables

Attach the jumper cables to the corresponding battery terminals. Make sure you connect the red positive cable from the jumper cable to the positive battery terminal without touching any other metals.

Step 4: Start the Engine

After starting the engine, let it run for 15 seconds before turning off the ignition switch

Step 5: Check the Fuel Gauge Light

Finally, check the light on your fuel gauge. It should turn green after a short period of time, indicating that the fuel pump relay has been successfully jumped.

FAQs about How To Jump Fuel Pump Relay On Chevy Truck

Where is the fuel pump relay on a Chevy Silverado?

What activates fuel pump relay?

The relay is triggered for a brief period of three to five seconds, either when you turn the ignition on or when you open the driver’s door. It may seem like a small and insignificant feature, but it is an important one nonetheless.

What makes this possible is a basic four-pin, normally-open relay that is responsible for controlling the fuel pump.

Can you drive without fuel pump relay?

No, a vehicle cannot be driven without a functioning fuel pump relay. The fuel pump relay is responsible for providing power to the fuel pump, which is essential for delivering fuel to the engine. Without a fuel pump relay, the engine will not receive fuel and will not be able to start.

Can I fix a fuel pump relay?

Yes, it is possible to fix a fuel pump relay, but it requires experience in working with vehicles, electronics, and relays. In most cases, it is easier to replace the part rather than trying to fix it.

Can I check the relay with a multimeter?

Yes, you can check the relay with a multimeter to see if the resistance is within specifications. This is a useful way to determine if the relay is the cause of a problem, such as with a fuel pump.


Jumping a fuel pump relay on a Chevy truck is relatively easy for experienced DIYers who are willing to take the necessary safety precautions. Before embarking on this journey, make sure you have all of the necessary tools and components, including jumper cables and a replacement fuel pump relay. Follow these simple steps to successfully jump your fuel pump relay without any hiccups.

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