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Old July 24th, 2017, 03:06 PM   #1
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Default Ford wiring question

Off topic, but I figured you guys would probably know.
Got a 2013 ford explorer power seat (drivers) that I need to test the motors. Got two lines coming in to the switchbox, a black w light blue stripe, and a purple with a red stripe. How do I know which is power, which is the ground without blowing things up? I unplugged the airbags so I'm safe there, I just need power to the switches. I could draw you a diagram later if you want. Thanks!
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Old July 24th, 2017, 03:48 PM   #2
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Default Re: Ford wiring question

How many motors are there ?




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Off topic, but I figured you guys would probably know.
Got a 2013 ford explorer power seat (drivers) that I need to test the motors. Got two lines coming in to the switchbox, a black w light blue stripe, and a purple with a red stripe. How do I know which is power, which is the ground without blowing things up? I unplugged the airbags so I'm safe there, I just need power to the switches. I could draw you a diagram later if you want. Thanks!
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Old July 24th, 2017, 03:53 PM   #3
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Default Re: Ford wiring question

Everything I know about ford (Did ford On-Lot Service for Audio systems for 13 years or so...) Says the Black/White is ground...
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Old July 24th, 2017, 04:07 PM   #4
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Default Re: Ford wiring question

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How many motors are there ?
I think there are 4.
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Old July 24th, 2017, 04:08 PM   #5
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Default Re: Ford wiring question

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Everything I know about ford (Did ford On-Lot Service for Audio systems for 13 years or so...) Says the Black/White is ground...
I'll take a look. I don't think the one black white wire I have is a ground. It might go to a motor.
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Old July 24th, 2017, 08:19 PM   #6
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Default Re: Ford wiring question

No, it's 2 assumed power wires and then 2-4 wires to each motor. I just need to know if they are the power wires or is one a ground or is the frame the ground? I'll try and draw something up in a little bit.
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Old July 24th, 2017, 11:02 PM   #7
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Default Re: Ford wiring question

Here are a few shots. I'm working on a wiring diagram too.
This is the plug I'm talking about. The lower right 3 wires go to the bottom seat heater/ sensor. The 2 middle wires I think are the power wires, mainly the black and blue one. The 2 upper left are for the airbag, the upper 2 on the right are for the airbag sensor and the third from the upper right goes to the seatbelt.


This is the switches to control the motors

And here is the whole mess. Most of the switch wires go to the motors


I'm just wondering what would the best way to test the circuits to see where the juice is flowing and grounds.

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Old July 25th, 2017, 03:36 AM   #8
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Default Re: Ford wiring question

If I had to blindly guess, I would say the black/white one is ground, but I would think the easiest way to test would be a test lamp.. see which wire makes the bulb light up..
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Old July 25th, 2017, 01:50 PM   #9
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Default Re: Ford wiring question

You seat has more wires than my entire VW truck.
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Old July 25th, 2017, 03:21 PM   #10
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You seat has more wires than my entire VW truck.

Probably more powerful too.
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Old July 25th, 2017, 03:32 PM   #11
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Default Re: Ford wiring question

AS I stated above... The Black/White is ground... I'm certain of it... the other heavy gauge wire is the power wire... load up some juice to it and watch it roll... Oddly... the seat harness you show is not on my list of seat harnesses... but I did a google search and all of the diagrams I found for all accessories for Ford, show the Black/White is ground to"something... most don't show where to ground it... but I would be pretty good with a battery ground... or chassis ground if heavy wire and a solid clean surface are provided.

All this depends also on whether you have the seat control module (which judging from the pictures... You don't)... but I know wiring more than I know configuration... and the motor positions make it look like you have the seat laying on it's back in the picture I can see the most frame in... Most of my direct experience was 2008 and prior, but I bet the systems haven't changed that much, and may have more modules than they used to if anything is different.

Things to remember... each motor has 2 wires... figure out which color goes to each (traced to connectors and back to the "switch box" if that's where it all begins) and there should be only 2 power wires unless the feed is larger gauge (vehicle side of harness you don't have) The picture isn't complete, and online wiring diagrams are pretty crappy resolution and colors are not legible.
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Old July 25th, 2017, 05:33 PM   #12
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Default Re: Ford wiring question

Guess What? No black and white wire other than going to a motor. Thanks ford!
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Old July 25th, 2017, 06:03 PM   #13
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Fix Or Repair Daily.
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Old July 25th, 2017, 07:01 PM   #14
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Default Re: Ford wiring question

Is that first picture is of the main connection plug?? do you have the switches?

disregard that question
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Old July 25th, 2017, 11:57 PM   #15
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Default Re: Ford wiring question

Yeah, it's a crazy bundle!
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Old July 26th, 2017, 07:23 PM   #16
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Default Re: Ford wiring question

I can pull the wiring diagrams when I am at work tomorrow.

If the motors have 4 wires going to them then it is a memory seat. The two smaller gage wires are for the position sensing/memory. The larger gage wires are alternately power and ground depending on which way you want to run the motor.

As someone said you need the seat module for everything to work as it was from Ford plus you need body control module for some of the memory functions and such. It is not straight forward.

For my Sled project, I am using some Ford Flex seats of the same vintage. I puller the wire bundle all apart and rewired everything to be directly powered from the switch and not go through any of the modules. I gave up the memory function as a result.

If you just want test the motors, you can unplug the wiring harness from each motor and simple put 12v power and ground to the larger pair of pins (assuming 4 wires to each motor). The motor should move the seat. You can switch the power and ground and the motor will turn the other direction.
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Old July 27th, 2017, 09:12 AM   #17
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Default Re: Ford wiring question

Thanks John and crew, I'll grab the mower battery and see what happens. I don't have the memory module and I have no need for it.
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Old July 27th, 2017, 05:07 PM   #18
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Default Re: Ford wiring question

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I don't have the memory module and I have no need for it.
Jeff
Sounds like my own personal problem
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Old July 27th, 2017, 05:42 PM   #19
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Default Re: Ford wiring question

You are so not the only one!
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Old July 28th, 2017, 09:28 AM   #20
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Default Re: Ford wiring question

Jeff, I sure wish I could help with your wiring situation, I have been there many times, stop by a Ford dealer and go to the repair garage and ask them, I've done that a few times, wasn't always a Ford, but most times they were happy to help

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Old August 2nd, 2017, 03:54 AM   #21
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Default Re: Ford wiring question

I looked at several year Explorer diagrams and on all of them Bk/Wh was main +12 volts. Ultimately, they're just DC motors that have reversible polarity. Change the polarity and it changes motor direction. I don't believe you could "blow them up" with either orientation as long as no solid state memory module is present.

This is from a 2000, I couldn't find anything much newer. Lots more info on Explorer Forums...oddly enough.

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Old August 2nd, 2017, 04:35 AM   #22
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Default Re: Ford wiring question

OH Wow, Parker... That shows the Black/white is the source power... It's amazing how things aren't the same anymore in things I haven't worked on in a while... Geez... I'm not much the Electrical guy anymore on that stuff. I worked on Ford through 2008 on all the audio/entertainment/navigation stuff... This just goes against my memory, but I definitely would go with the Diagram before a person... I kept pulling up that same picture but the quality was so bad I couldn't read anything about wire colors on my end. Now I feel like an Azz... Sorry guys for the crappy info on that one...<goes back and crawls under rock>
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Old August 2nd, 2017, 04:39 PM   #23
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Default Re: Ford wiring question

As I keep banging my head on a rock...
Working on so many projects. I have the FE seat wiring to do AND am working on another set of seats for the RV right now. Brain hurts......
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Old August 3rd, 2017, 10:37 PM   #24
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Default Re: Ford wiring question

Jeff, stop banging your head on rocks, find wood, it's much more forgiving than rocks or stones, you Don't wanna end up like me and have a brain hemmrage, so please please stop, you may not be as lucky as I was.
I'm still trying to let it sink in, it could take 8 to 10 months before they know if it did any permenent damage, only time will tell


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Old August 4th, 2017, 07:54 AM   #25
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Default Re: Ford wiring question

It's okay. Not much brain to worry about.
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