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2020+ Ford Super Duty Upfitter NO-CRIMP solution
2020+ Ford Super Duty Upfitter NO-CRIMP solution
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Access Your Factory Upfitter Wiring — Without Cutting Into It
Ford gives you six upfitter switches and a relay box full of circuits. What it doesn't give you is a clean way to reach them. Most approaches mean cutting, splicing, or crimping into the factory harness — and once you've cut it, it's cut.
The Open Trail Creations Upfitter No-Crimp Solution mounts adjacent to the factory upfitter relay box and provides organized, protected access to those circuits using a no-crimp approach. Everything stays reversible. Nothing about your truck's wiring changes.
Fitment Note — Diesel Trucks
On 2020–2022 Super Duty trucks, the factory upfitter relay box sits close to the engine. With the 6.7L Power Stroke, sustained underhood heat distorts this enclosure over time. We've confirmed it, so we're not going to sell you a part we know will fail.
The 2020–2022 fitment is listed for gas trucks only.
Ford moved the relay box in the 2023 redesign — far enough off the engine that heat isn't a factor. We've verified it on our own 2024. 2023+ works with gas or diesel.
Running a 2020–2022 Power Stroke? Add our Upfitter Harness Extensions. They give you 18 inches of reach off the factory connector — enough to mount this enclosure somewhere the heat can't reach it. Same no-crimp approach, same OEM-style connectors, just relocated. Select the 17–22 extension in the matching wire configuration.
Available Configurations
Choose the setup that fits how you plan to power your accessories:
6-Wire (Standard) Access to the six factory Aux Switch circuits. Uses our original enclosure size.
7-Wire Aux Switches + Ignition-hot wire.
8-Wire Aux Switches + Ignition-hot + Always-hot wire.
10-Wire Full access: Aux Switches + Ignition-hot + Always-hot + both PTO wires.
Enclosure Details
- Configurations with 7 or more wires use our newer, expanded enclosure.
- All expanded enclosures include internal provisions for all 10 factory circuits using lever-style connectors.
- Unused circuits are not passed through the enclosure, and their corresponding access ports are securely plugged. No unused pigtails are provided.
Each option is built around the same priorities: clean routing, easy serviceability, and leaving the factory wiring intact.
Electrical Load Best Practice
Ford upfitter circuits allow for higher current capability, but most accessories draw far less than the maximum rating. For accessories with sustained high-current loads — onboard air compressors, large inverters — standard automotive practice is to use the upfitter switch as a control signal for a dedicated relay and fused power feed, rather than routing the full load through intermediate connectors.
This reduces heat at connection points, minimizes voltage drop, and holds up better long-term.
Designed, built, and assembled by hand — one at a time — in our shop in Wylie, Texas.
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2026 Ford F350 Platinum Plus
2nd purchase of this product for a new truck. Great quality, easy install, and super communication. One of the best on Etsy! A+++
I used this same product on my previous Super Duty. What a brilliant idea and it’s engineered & executed to perfection.
I’ve got my eyes on a few other products!
Amazing product! Simple install and makes adding additional accessories in the future super easy. Arrived well-packaged and exactly as described. Great customer support as well
As others have said, this is addresses the shortfalls of the Ford setup for those that will not be adding everything at one. I installed this in conjunction with the grounding solution on a 26 F350 with a 7.3 and dual batteries & Alternators (yes i am planning on electrical loads). The actual installation of the box was straightforward and easy. Removing the upfitter relay module was a pain. To get to all the connectors I had to remove one of the batteries and the battery tray. The end result is a very neat and tidy means of tapping into the OE upfitter switches, a constant hot and an ignition hot for future upgrades. Super well thought out and well worth the cost.
The ultimate solution to upfitter management. This makes it easy to add accessories as you go, eliminating the need to dig back under the factory relay box every time you add another circuit.
Easy Peasy... It installed in less than 30 minutes with the accessory switch box still connected.
easy to install, well made, great communication
Excellent piece of kit. Haven’t installed yet but I can see it’s going to make wiring easier
Great, almost plug and play to install. Love it.
Great job making this all work so much easier!! Thank you for your innovation!
Awesome product! Well made and makes everything so much easier! Only took about 15 minutes to install and fit great. I can now add or move upfitter items easy!
Works perfectly
Pretty easy to install. No need to remove the entire battery like I saw on one video. (I didn’t actually watch the video I just cruised through it). hopefully she’ll hold up well. Seems well made. Thanks guys!
Love the product. Installed it yesterday. Videos were very helpful. It is a simple concept and one I had been looking for. Paried it with the universal grounding solution. Provides a nice clean look.
Really good product and well made. Great addition to my new Tremor
Makes it easier to wire up the up fitter switches
Had a problem w my order reached out and Richard took care of the issue right away looks and works great easy to install and makes future upfitter hookups painless
Very easy to install. Provides a cleaner and simpler connection to the upfitter switch wiring. Great product and it very good quality.
Love this product! Will make it extremely easy to hook up to my upfitter switches. Install was easy and quality it good.
Amazing, worked perfect
Clever, easy to use upfitter solution
Delivered fast! Excellent product design
Great product. Good fit and finish. Great thought out product.
Would highly recommend.
This is a great addition for anyone who has a 23+ Superduty. Great quality and install was pretty easy. I highly recommend !!!