2016 Chevrolet Silverado 2500HD Fuse Box Diagram

Quick Answer

Your 2016 Chevrolet Silverado 2500HD has two primary fuse box locations:

• Under the Hood: Located on the driver's side of the engine bay, this is the main fuse and relay center.
• Instrument Panel (Driver's Side): Found on the driver's side of the dashboard, accessible when the driver's door is open.

Note: While some vehicles have fuse panels in the trunk or cargo area, this model does not.

Under-Hood Fuse Box

This is the primary fuse and relay block, housing high-amperage fuses and critical system relays. To access it, open the hood and look for a black plastic cover on the driver's side, near the fender.

Important: The fuse numbers and positions can vary slightly based on your truck's specific trim level and optional equipment (e.g., diesel vs. gas engine, snow plow prep package). Always verify the fuse layout with the diagram printed on the inside of your fuse box cover.

Under-Hood Fuse & Relay Center Diagram

Relay Locations (Common)

• R1: A/C Clutch Relay
• R2: Starter Relay
• R3: Run/Crank Relay
• R5: Fuel Pump Relay
• R8: Low-Beam Headlight Relay
• R9: High-Beam Headlight Relay

Instrument Panel Fuse Box (Driver's Side)

This fuse box is located on the side of the dashboard, accessible only when the driver's side door is fully open. It primarily handles interior electronics and control modules.

Driver's Side Dash Fuse Box Diagram

How to Test a Fuse

Testing a fuse is a simple process. A "blown" fuse has a broken internal filament, interrupting the electrical circuit it was designed to protect.

1. Turn Off the Vehicle: Ensure the ignition is in the "Off" position.
2. Locate the Fuse: Use the diagrams above and the legend on your fuse box cover to find the suspect fuse.
3. Remove the Fuse: A small fuse puller tool is often included in the fuse box lid. If not, a pair of needle-nose pliers will work carefully.
4. Inspect the Fuse: Hold the fuse up to the light. You will see a small metal filament inside the plastic body. If the filament is broken or melted, the fuse is blown and needs to be replaced.
5. Replace with Correct Amperage: It is critical to replace a blown fuse with a new one of the exact same amp rating. Using a higher-rated fuse can cause severe damage to the electrical system and create a fire hazard.

Common Blown Fuses on This Vehicle

• 12V Power Outlet / Cigar Lighter Fuse (Dash F18/F19): This is one of the most common fuses to blow. It often happens when a faulty phone charger or other plug-in device shorts out. Before replacing the fuse, unplug everything from the power outlets.
• Trailer Brake Fuse (Under-Hood F22): Problems with trailer wiring are a frequent cause for this fuse blowing. If it blows immediately upon connecting a trailer, the first thing to check is the trailer's wiring harness and connectors for corrosion, pinched wires, or shorts.
• Fuel Pump Fuse (Under-Hood F10): If your truck cranks but won't start, this fuse is a good first check. If the fuse is blown, it could indicate a wiring issue or a failing fuel pump that is drawing too much current. Replacing the fuse might get you started, but if it blows again, the fuel pump circuit needs professional diagnosis.

If a fuse blows repeatedly, it signifies an underlying electrical problem that needs to be diagnosed and repaired. Do not simply keep installing new fuses.

This guide is intended for informational purposes only. Always consult your vehicle owner's manual or the diagrams on the fuse panel covers for the most accurate information specific to your vehicle's configuration. For professional diagnosis and repair, Repairius can help you find a trusted shop in your area.

Find a trusted shop on Repairius.