Upfitter switches.
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Joined: Jul 2019
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Upfitter switches.
New to this forum and have a question. I have a 2006 F550 pickup. There are four wires under hood which I think are for the upfitter switches. But don’t know for sure.
Any help will be appreciated.
Any help will be appreciated.
Cross-Country
Joined: May 2012
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What are upfitter switches?
I've seen these referenced in many posts but not sure what they are. I have a 2000F350 Lariat , would my truck have them and what do they do?
Logistics Pro
Joined: Nov 2004
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Open your hood and look inside right in front of the firewall on the drivers side for the ends of the wires. That’s where they were in my 2006. Don’t know when Ford started them so you might nit have them (unless your truck came with the upfitter switches)
Cross-Country
Joined: May 2012
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If you have them, the pass thru wires simply save you the hassle of feeding wires through yourself.
Open your hood and look inside right in front of the firewall on the drivers side for the ends of the wires. That’s where they were in my 2006. Don’t know when Ford started them so you might nit have them (unless your truck came with the upfitter switches)
Open your hood and look inside right in front of the firewall on the drivers side for the ends of the wires. That’s where they were in my 2006. Don’t know when Ford started them so you might nit have them (unless your truck came with the upfitter switches)
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