2019 Tesla Model X – Fuse Box Diagram & Amperage

Quick Answer

The 2019 Tesla Model X has multiple fuse box locations to protect its various electrical systems. You'll find fuse boxes located in the front trunk (frunk), under the dashboard on the passenger side, and in the rear cargo area.

Front Trunk Fuse Box (Frunk)

The front trunk, or "frunk," on the 2019 Tesla Model X houses a main fuse box that primarily protects components related to the powertrain, charging system, and some front-end accessories. Always refer to the fuse diagram printed on the inside of the fuse box cover for the most accurate information for your specific vehicle configuration. Relay locations are integrated within this fuse box.

Passenger Side Dash Fuse Box

Located on the passenger side, typically behind the kick panel or glove box access, this fuse box handles many of the interior and convenience features of the Model X. To access it, you may need to gently pry open a panel or remove a few fasteners. Again, verify with your vehicle's specific fuse legend.

Rear Cargo Area Fuse Box

The rear cargo area fuse box typically protects components related to the rear of the vehicle, including taillights, rear power outlets, and other rear-specific modules. This fuse box is often located behind a trim panel on one of the side walls of the cargo area.

Note on ECM/PCM, Ignition, Fuel Pump, Starter: The Tesla Model X, being an all-electric vehicle, does not have a traditional internal combustion engine, fuel pump, or conventional starter motor as found in gasoline or diesel cars. The "ECM/PCM" function is handled by various vehicle control modules that manage the electric motors, battery, and other systems. Power for these critical control modules is generally integrated into the vehicle's main power distribution but auxiliary power for some of their components or specific sensors may be fused in these boxes. Ignition in an EV is also different, relying on system readiness for the electric motors.

How to Test a Fuse

Testing a fuse is a straightforward process and requires a few basic tools:

1. Safety First: Always turn off the ignition and any affected electrical components before working with fuses. Disconnect the 12V auxiliary battery if you're working on major circuits.
2. Locate the Fuse: Refer to the appropriate fuse box diagram for the fuse you suspect is blown.
3. Visual Inspection: Many modern fuses have a clear plastic body. Look for a broken wire or a melted connection inside. If it's dark or cloudy, the fuse is likely blown.
4. Use a Fuse Puller: Most fuse boxes come with a small plastic fuse puller. Use it to carefully remove the suspect fuse.
5. Test with a Multimeter: Set your multimeter to the continuity setting (often indicated by a speaker icon). Touch one probe to each metal blade of the fuse. A good fuse will show continuity (the multimeter will beep or show a reading close to zero ohms). If there