If you are the owner of a 2018 RAM 2500, you may be interested in knowing more about the upfitter switches that are included in the vehicle. These switches can be used to control accessories such as lights, winches, and other aftermarket modifications.
What are upfitter switches?
Upfitter switches are factory-installed switches that are designed to provide convenient and easy access to power your aftermarket accessories. The 2018 RAM 2500 comes standard with six upfitter switches, located on the instrument panel, that can be used to control different types of accessories.
The upfitter switches are labeled with different letters and numbers that correspond to different accessory types. Each switch has an associated wire that runs to a specific location in the engine compartment, making it easy to connect your accessories without having to cut into the vehicle’s wiring harness.
Wiring Diagram
Here is a detailed wiring diagram for the 2018 RAM 2500 upfitter switches:
| Switch | Function | Wire Color | Wire Location |
|---|---|---|---|
| M1 | Auxiliary 1 | Violet/Gray | Behind glove box |
| M2 | Auxiliary 2 | Violet/Brown | Behind glove box |
| M3 | Auxiliary 3 | Violet/Light Green | Behind glove box |
| M4 | Auxiliary 4 | Violet/Pink | Behind glove box |
| M5 | Auxiliary 5 | Violet/Orange | Behind glove box |
| M6 | Auxiliary 6 | Violet/Yellow | Behind glove box |
The above wiring diagram provides all the necessary information you need to connect your aftermarket accessories to the upfitter switches in your 2018 RAM 2500. Simply connect the accessory’s positive wire to the corresponding wire color and negative wire to a good ground point.
FAQ
Q: What kind of accessories can be connected to the upfitter switches?
A: The upfitter switches can be used to control any aftermarket accessory that requires a switch, including lights, winches, horn kits, air compressors, and more. However, it is important to note that these accessories need to be properly installed and wired to ensure safe and reliable operation.
Q: Can the upfitter switches be used while the vehicle is turned off?
A: No, the upfitter switches only provide power when the vehicle is turned on and the ignition is in the Run position. If you need to use your accessories with the vehicle turned off, you will need to install a separate switch and wiring.
Q: What does the “Auxiliary 1-6” function on the upfitter switches mean?
A: The “Auxiliary” function on the upfitter switches is a generic label that can be used to control any aftermarket accessory that you choose to connect to that particular switch. It does not have a specific function or purpose, other than providing a convenient and easy-to-use switch for your accessory.
Q: Are the upfitter switches covered under warranty?
A: Yes, the upfitter switches are covered under the vehicle’s standard warranty. If you experience any issues with the switches or their associated wiring, you should take the vehicle to an authorized RAM dealership for repair and warranty service.
