2019 Ford F350 Upfitter Switch Wiring Diagram

The 2019 Ford F350 is a powerful and versatile pickup truck that is known for its durability and functionality. One of the key features that sets the F350 apart from other pickup trucks is its upfitter switches. These switches allow you to control a variety of accessories that can be added to your F350, such as lights, winches, and other electronic devices.

What Are Upfitter Switches?

Upfitter switches are switches that are installed in the dashboard of the Ford F350. These switches allow you to control accessories that are added to the vehicle after it has been manufactured. The switches are pre-wired and can handle up to 25 amps, making them perfect for powering accessories like winches, lights, and other electronic devices.

The upfitter switches are located on the instrument panel, just above the climate controls. There are four switches in total, and they are labeled to indicate their purpose. For example, one switch may be labeled “Aux 1,” while another may be labeled “Aux 2.”

Wiring Up Your Upfitter Switches

If you want to take advantage of the upfitter switches in your 2019 Ford F350, you will need to wire them up correctly. The wiring diagram for the upfitter switches is slightly different depending on whether you have a gas or diesel engine in your F350.

Gas Engine Wiring Diagram

If you have a gas engine in your 2019 Ford F350, the wiring diagram for your upfitter switches will look like this:

Switch Number Wire Color Description
Aux 1 Red Ignition On Power
Aux 2 Purple/Green Accessory Power
Aux 3 Blue/Orange Not Used
Aux 4 Gray/Violet Not Used

To wire up your upfitter switches with a gas engine, follow these steps:

  1. Assemble the upfitter switch kit and mount the switches in the dash.
  2. Run the wires from each switch to the appropriate accessory.
  3. Connect the red wire from Aux 1 to a switched 12V power source, such as the ignition switch or fuse panel.
  4. Connect the purple/green wire from Aux 2 to a constant 12V power source, such as the battery or fuse panel.
  5. Connect the blue/orange and gray/violet wires from Aux 3 and Aux 4 respectively to ground or to the accessory as needed.

Diesel Engine Wiring Diagram

If you have a diesel engine in your 2019 Ford F350, the wiring diagram for your upfitter switches will look like this:

Switch Number Wire Color Description
Aux 1 Red/Blue Ignition On Power
Aux 2 Red/Green Battery Power
Aux 3 Red/Yellow Ground
Aux 4 Red/White Not Used

To wire up your upfitter switches with a diesel engine, follow these steps:

  1. Assemble the upfitter switch kit and mount the switches in the dash.
  2. Run the wires from each switch to the appropriate accessory.
  3. Connect the red/blue wire from Aux 1 to a switched 12V power source, such as the ignition switch or fuse panel.
  4. Connect the red/green wire from Aux 2 to a constant 12V power source, such as the battery or fuse panel.
  5. Connect the red/yellow wire from Aux 3 to ground or to the accessory as needed.
  6. Connect the red/white wire from Aux 4 to ground or to the accessory as needed.

FAQ

What kind of accessories can I control with the upfitter switches?

You can control a wide range of accessories with the upfitter switches in your 2019 Ford F350. Some popular options include lights, winches, air compressors, and other electronic devices. Check the specifications of your particular accessory to make sure it is compatible with the upfitter switches in your F350.

How do I know which switch controls which accessory?

The upfitter switches in your 2019 Ford F350 are labeled to indicate their purpose. The labeling may vary depending on the year and model of your F350, but typically there will be four switches labeled Aux 1, Aux 2, Aux 3, and Aux 4. Consult your owner’s manual or contact your local Ford dealer if you are unsure which switch controls which accessory.

Can I install upfitter switches in my older F350 model?

Yes, you can install upfitter switches in older Ford F350 models. However, the wiring diagram and installation instructions may vary depending on the year and model of your truck. Consult your owner’s manual or contact your local Ford dealer for more information.

Can I add additional upfitter switches to my 2019 Ford F350?

Yes, you can add additional upfitter switches to your 2019 Ford F350. However, you will need to purchase a separate switch panel and install it in your dash. The wiring diagram for the additional switches may vary depending on the year and model of your truck. Consult your owner’s manual or contact your local Ford dealer for more information.