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I could not find anything in the manual about where to find the wires that the upfitter switches control. After looking around these forums I found my way to the ford fleet page and stumbled onto this bulletin... vey helpful for anyone that is looking for the wires.
... I wish they would have put a couple under the hood, would have made my lights install a breeze.
Do a search in the super duty forum for customer wires. There are 4 wires that go through the firewall that you can use to hook things up. The wires are on the drivers side and end just beyond the firewall and are part of the wiring harnes. They are there for just the purpose you want.
Go to the ford website and look through the interior views of the new superduty. These things are a really nice interior addition. These are not yet in the catalog but the parts guys should be able to get them for you. My upfitters didn't come with the truck. Any problems email me and I will put you in touch with my parts guy.
Last edited by 93-331-29PSI; Jan 4, 2005 at 08:19 PM.
If that was directed to me I can't answer that. I assume so. I had it worked into the contract when I bought my truck. It only took them about 30 minutes to get them installed.