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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Help Me Wire My Master Window Switch Correctly

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Old Aug 6, 2016 | 05:15 PM
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Help Me Wire My Master Window Switch Correctly

So whatever bonehead was messing with this switch before I bought the truck got the wiring backwards at the master switch. The switch for the passenger window works as it should, but the switch for the driver's side is reversed. Press up to make the window go down, and vice versa. I have it apart right now trying to figure out why the window won't work at all (either a bad motor or regulator) I'd like to switch the wiring so it is in the correct order. It's simple to move them around, I just need to know where they go. I can't find a wiring diagram online.



The wires circled in green are the wires in question.
 
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Old Aug 6, 2016 | 07:25 PM
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Are you sure he didn't just wire the motor backwards? Or are you saying the master switch on the driver's side makes the passenger window go down when you push up?
 
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Old Aug 6, 2016 | 07:49 PM
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I don't know if he did anything to the motor or not. But the switch is the low-hanging fruit, and the part that was probably more likely to fail and be replaced, so it's my first suspect.

I'm saying the switch for the driver's window, on the driver door, makes the window go up when you press down, and go down when you press up. Or at least, it did before it crapped out completely. I'm not sure what finally failed, but it's either the motor or the regulator because I installed a new switch and it still wouldn't work.

However, the wiring is still backwards somewhere, either at the switch or the motor, so I'm trying to kill two birds with one stone while I have the door apart.
 
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Old Aug 6, 2016 | 09:01 PM
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I'd really suspect the motor was wired incorrectly, before I started messing around with the switch.

Since it stopped working, start by checking whether or not you actually get power at the motor when you press the switch.
 
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Old Aug 7, 2016 | 08:22 AM
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From: Easton,Ks
Those wire colors do not look right for a 1988 F-series truck.

Here is the wiring and plugs For a 1988 F-series:


/
 
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Old Aug 7, 2016 | 11:25 AM
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Thanks for posting the diagram. The colors look right to me. Look at the color diagram at the top of that picture...

BK = Black
R = Red
LB/BK = Light Blue/Black
BK = Black
Y = Yellow

And so on and so forth. It sure looks the same. But ultimately the color of the wires isn't relevant, as long as the whole setup functions. Which it did until something crapped out.
 
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Old Aug 7, 2016 | 01:25 PM
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From: Easton,Ks
The photo shows a white wire with a black stripe that I did not see in the diagram.
 
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Old Aug 7, 2016 | 01:44 PM
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True. Not sure how to explain that.
 
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Old Aug 7, 2016 | 02:04 PM
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From: Easton,Ks
The wire colors match a 1994 P windows:
 
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Old Aug 7, 2016 | 02:30 PM
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The colors do, but the switches are different. Ultimately the color of the wires is irrelevant; they work, and that's what matters. They're just in the wrong order.
 
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