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Old 03-09-2008, 11:35 PM   #1 (permalink)
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Question Tekonsha P3 wiring harness / interface with FORD harness

I just bought a P3 and it has a harness in the box that plugs into the controller and the other end just has the loose wire ends. My truck came with a harness that plugs in somewhere on the truck (I have to read instructions on that) with loose wire ends as well? Is there a harness that would plug at each end and eliminate the wire connecting? Its the 2003 truck in my signature.
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Old 03-10-2008, 12:47 AM   #2 (permalink)
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Hello, The 2003 Super Duty has a plug under the dash, just to the right of the steering wheel, that the controller plugs in to. You'll need to take that access cover off under your steering wheel to see it. Look to the right in that opening. The Tekonsha Prodigy's I've purchased had instructions on how to connect their connector to the factory ford connector (loose wires to loose wires), however, you can purchase a custom pre-made harness for your truck that is plug-and-play. I've seen them on Ebay and E-trailer for not a lot of $$'s.

Tom
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Old 03-10-2008, 07:16 AM   #3 (permalink)
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Hello, The 2003 Super Duty has a plug under the dash, just to the right of the steering wheel, that the controller plugs in to. You'll need to take that access cover off under your steering wheel to see it. Look to the right in that opening. The Tekonsha Prodigy's I've purchased had instructions on how to connect their connector to the factory ford connector (loose wires to loose wires), however, you can purchase a custom pre-made harness for your truck that is plug-and-play. I've seen them on Ebay and E-trailer for not a lot of $$'s.

Tom
Yeah, don't mess with the loose wires, just get the converter plug. It maeks it a "plug and play" process.
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Old 03-13-2008, 04:06 PM   #4 (permalink)
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E-trailer.com
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Old 03-17-2008, 11:45 PM   #5 (permalink)
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etrailers shows the bare pigtails that come with the trucks already.

Tekonsha open the pdf. It shows complete adapters. It looks like it may be the 3035P, although it say's "excludes Super Duty". Looks like it may mean the 2008 SD, as another p/n includes the 2008.

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Old 08-30-2009, 04:36 PM   #6 (permalink)
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Originally Posted by troy520 View Post
Hello, The 2003 Super Duty has a plug under the dash, just to the right of the steering wheel, that the controller plugs in to. You'll need to take that access cover off under your steering wheel to see it. Look to the right in that opening. The Tekonsha Prodigy's I've purchased had instructions on how to connect their connector to the factory ford connector (loose wires to loose wires), however, you can purchase a custom pre-made harness for your truck that is plug-and-play. I've seen them on Ebay and E-trailer for not a lot of $$'s.

Tom
I'm having trouble finding this plug. I have a lot of aux equipment hooked up (plow wiring, switches, radio) and more wiring to look thru. Anybody of a pic of there plug?

Thanks in advanced.
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Old 08-30-2009, 05:34 PM   #7 (permalink)
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Here's a thread I started asking the same question a while back...

Here's the link to some pictures from that thread that helped me...
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Old 08-31-2009, 08:25 AM   #8 (permalink)
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I'm having trouble finding this plug. I have a lot of aux equipment hooked up (plow wiring, switches, radio) and more wiring to look thru. Anybody of a pic of there plug?

Thanks in advanced.
I just installed a P3 on my 03. I assume you bought the P# adapter harness to make it 'Plug n' Play'? As said above the OE plug is to the right of all the electronics under that removable cover. You can see it through the opening in the brace and it's under the right side of the radio area in the last photo linked above. Prodigy wiring attachment pictures from trucks photos on webshots

The plug is a 6-pin and is gray and it's also the only empty 6-pin under the dash. I routed the wires from above the connector and not through the opening in the brace. I had to make a special plate to mount mine so it didn't stick out so far and sat relatively level. The P3 works great, you'll love it.
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Old 08-31-2009, 11:52 AM   #9 (permalink)
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Yes, there is a harness with a plug on both ends matching the controller and your truck.

Normally you would connect the loose ends of the 2 connectors together per the diagrams provided by your truck and the brake controller.

Here is a link to lots of online stores and brake/harness links too.

Ford Brake Control Wiring Harness for Prodigy Brake Control - 3035 << from RVW not sure whos part number this is but might help.

Collection of links related to RVing
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Old 09-02-2009, 07:31 AM   #10 (permalink)
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Quote:
Originally Posted by 2Tight View Post
I just installed a P3 on my 03. I assume you bought the P# adapter harness to make it 'Plug n' Play'? As said above the OE plug is to the right of all the electronics under that removable cover. You can see it through the opening in the brace and it's under the right side of the radio area in the last photo linked above. Prodigy wiring attachment pictures from trucks photos on webshots

The plug is a 6-pin and is gray and it's also the only empty 6-pin under the dash. I routed the wires from above the connector and not through the opening in the brace. I had to make a special plate to mount mine so it didn't stick out so far and sat relatively level. The P3 works great, you'll love it.
yes I bought the adapter.

Thanks to all for the info.
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Original 302 DZ motor has been put away for safe keeping-&gt; From me!
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