Upfitting is the process of modifying or adding accessories to a vehicle, such as lights, sirens or winches, in order to better serve a specific task or job function. The Ford Upfitter Switches are optional instrument panel mount switches (Option Code 66S) that control a variety of aftermarket accessories such as lights, winches, or more. The switches are relays that are connected to accessories that draw a high amount of current. The switches provide power to these accessories and allow the user to control them. In this article, we will provide a detailed explanation of the wiring diagram for the 2016 Ford Upfitter Switches.
What are Ford Upfitter Switches?
Ford offers up to six auxiliary switches as options for their vehicles. These switches are mounted on the instrument panel and are designed for use with aftermarket accessories that need a high amount of current. They provide a convenient way of controlling these accessories without having to run separate switches or wires.
The switches are powered by dedicated fuses and relays that are located in the engine compartment fuse box. Each switch has a corresponding Relay Block located in the engine compartment. The relay block contains fuses for each circuit and relays that activate the circuit based on the switch position. The wiring for the switches is connected through a unique harness that is not included in the standard equipment harness.
Wiring Diagram for the Ford Upfitter Switches
The wiring diagram for the Ford Upfitter Switches is available on the Ford website. The diagram is broken down into individual circuits that can be identified using the site navigation. Each circuit has a corresponding wire color and connector location. Here is a summary table of the switches and their respective circuits and wire colors:
| Switch | Circuit | Wire Color | Connector Location |
|---|---|---|---|
| SW1 | Accessory 1 | Violet and Yellow | C2043 |
| SW2 | Accessory 2 | Green and Yellow | C2044 |
| SW3 | Accessory 3 | Brown and Yellow | C2045 |
| SW4 | Accessory 4 | Orange and Yellow | C2046 |
| SW5 | Accessory 5 | Light Blue and Yellow | C2047 |
| SW6 | Accessory 6 | Pink and Yellow | C2048 |
FAQs on the Ford Upfitter Switches
What is the maximum current draw for each circuit?
Each circuit is rated for a maximum current draw of 25 amps. If the accessory you are adding has a higher current draw, you will need to install an appropriate relay and fuse to protect the circuit.
Can I add more than one accessory to a single switch?
Yes, you can connect multiple accessories to a single switch as long as the total current draw for all accessories does not exceed the maximum rating for the circuit. You will need to use appropriate wiring connections and fuses/relays to protect the circuit.
What is the recommended wire gauge for the accessory wiring?
The recommended wire gauge for the accessory wiring is 14 AWG. This will ensure that the wiring can handle the maximum current draw for each circuit.
Can I replace the factory switches with aftermarket switches?
Yes, it is possible to replace the factory switches with aftermarket switches. However, you will need to ensure that the new switches are rated for the same maximum current draw and that the wiring connections are made correctly to avoid any issues.
Where can I find more information on upfitting my Ford vehicle?
You can find more information on upfitting your Ford vehicle on the official Ford website. They have a dedicated section for upfitting resources and guidelines.
Conclusion
The 2016 Ford Upfitter Switches provide a convenient and easy way of adding high-current accessories to your vehicle. The wiring diagram for the switches is available on the Ford website and provides detailed information on the wiring connections for each circuit. By following the guidelines and recommendations provided, you can safely and effectively upfit your vehicle to meet your specific needs and requirements.
