Could these 4 wires...
Thread Starter
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Freshman User
Joined: Jan 2010
Posts: 32
Likes: 0
From: Red Bluff, CA
Could these 4 wires...
be connected to the upfitter switches (see pix). This is on a 2010 F250, and are located to the left of the brake master cylinder, are blunt cut with shrink tubing over the ends.
I have looked behind the kick panel as suggested near the fuse cluster, and see nothing there. Thought maybe, just maybe Ford located them here on this model year.
Thanx in advance
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Location View...
I have looked behind the kick panel as suggested near the fuse cluster, and see nothing there. Thought maybe, just maybe Ford located them here on this model year.
Thanx in advance
Closeup View...
Location View...
Elder User
Joined: Dec 2007
Posts: 784
Likes: 1
From: White Rock BC Canaduh
Yup, you can use those wires with the switches. Just confirm the color codes at each end to make sure they are the same wires. Wouldn't hurt to trace them through the firewall to confirm also. My Truck is an '02 so I'm not 100% sure about the 2010. I do know the Super Dutys have the pre run access wires as standard in most if not all SD Trucks.
Rick...
Rick...
be connected to the upfitter switches (see pix). This is on a 2010 F250, and are located to the left of the brake master cylinder, are blunt cut with shrink tubing over the ends.
I have looked behind the kick panel as suggested near the fuse cluster, and see nothing there. Thought maybe, just maybe Ford located them here on this model year.
Thanx in advance
Closeup View...
Location View...
I have looked behind the kick panel as suggested near the fuse cluster, and see nothing there. Thought maybe, just maybe Ford located them here on this model year.
Thanx in advance
Closeup View...
Location View...
Elder User
Joined: Dec 2007
Posts: 784
Likes: 1
From: White Rock BC Canaduh
Are there special upfitter wires pre installed the SDs?
I thought I had read here somewhere that folks were using the easy access/passthrough wires with the upfitter switches?
I think the OP was just asking if can use them (passthrough wires) with the upfitter switch?
Rick...
I thought I had read here somewhere that folks were using the easy access/passthrough wires with the upfitter switches?
I think the OP was just asking if can use them (passthrough wires) with the upfitter switch?
Rick...
Hotshot
Joined: Aug 2006
Posts: 17,398
Likes: 317
From: Whittier, CA
I'm pretty sure TexasRebel has it right. You will have to pull the fuse panel below the steering column to find the ends of the upfitters, and the ends of the pass-thru. But they won't be connected to each other until you splice them.
Caution - the pass-thru wires are not big enough to support the 30 amp capacity of upfitter #1 & #2. But they are big enough to handle #3 and #4.
Caution - the pass-thru wires are not big enough to support the 30 amp capacity of upfitter #1 & #2. But they are big enough to handle #3 and #4.
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Elder User
Joined: Dec 2007
Posts: 784
Likes: 1
From: White Rock BC Canaduh
ah,,, the upfitter wires in your photo are the ones that are factory hooked up to accessories? Isn't there one or two unused switches that can be used for addon accessories?
I guess I just took it for granted that the OP was asking if he could use the passthrough wires with his extra upfitter switch.
Rick...
I guess I just took it for granted that the OP was asking if he could use the passthrough wires with his extra upfitter switch.
Rick...
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Cargo Master
Joined: Jun 2008
Posts: 2,752
Likes: 5
From: Stillwater, OK
you can't quite tell from the picture, but the 4 upfitter wires are all blunt cut and wax covered... they aren't connected to any accessories from the factory.
It is convienient that all of the wires end here... When I get around to installing an inverter, the wire won't have to leave the firewall, but when I get around to installing an air compressor I will just cut the tips off of one of the upfitter wires and one of the passthrough wires, solder them together, and cover with shrinkwrap, then run a wire from the other end of the passthrough wire to the compressor.
It is convienient that all of the wires end here... When I get around to installing an inverter, the wire won't have to leave the firewall, but when I get around to installing an air compressor I will just cut the tips off of one of the upfitter wires and one of the passthrough wires, solder them together, and cover with shrinkwrap, then run a wire from the other end of the passthrough wire to the compressor.
Cargo Master
Joined: Jun 2008
Posts: 2,752
Likes: 5
From: Stillwater, OK
bill, How large are the passthrough wires on the older trucks?
I haven't cut into them yet, but it seems from outward appearances that my passthrough wires are all the same gauge as the higher amp upfitter switch wires... could this have changed over the years?
I haven't cut into them yet, but it seems from outward appearances that my passthrough wires are all the same gauge as the higher amp upfitter switch wires... could this have changed over the years?
Hotshot
Joined: Aug 2006
Posts: 17,398
Likes: 317
From: Whittier, CA
They may indeed be different on '08 and up. But it appears in your photo that there are two different sizes on the upfitters. The yellow and the green look larger to me.
Thread Starter
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Freshman User
Joined: Jan 2010
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From: Red Bluff, CA
Wow! Thanx for the quick replies, but I think they are as mentioned by a few of you, "pass-thru" wires.
Somewhere under the dash, on the drivers side, there are 4 relays that I can connect to. I have a feeling from the description that there is not an actual wire supplied by Ford, I supply that myself when connecting up wahtever it is I connect
So if I might, just what are the "pass-thru" wires? These are as I said, blunt cut, with shrink tubing and wax sealed. None of these is large enough for a 30amp circuit, so I doubt they are connect to the switches.
Somewhere under the dash, on the drivers side, there are 4 relays that I can connect to. I have a feeling from the description that there is not an actual wire supplied by Ford, I supply that myself when connecting up wahtever it is I connect
So if I might, just what are the "pass-thru" wires? These are as I said, blunt cut, with shrink tubing and wax sealed. None of these is large enough for a 30amp circuit, so I doubt they are connect to the switches.
Hotshot
Joined: Aug 2006
Posts: 17,398
Likes: 317
From: Whittier, CA
They are for you to use any way you wish. They simply pass through the firewall, so you don't have to make any penetration yourself. They are blunt cut on both ends. One end under your hood, the other end under your dash behind the fuse block.
Cargo Master
Joined: Jun 2008
Posts: 2,752
Likes: 5
From: Stillwater, OK
I have a feeling from the description that there is not an actual wire supplied by Ford
10 ga. wire is all you need for 30A at 12vdc for anything up to 25'