Both power windows dead! - Ranger-Forums - The Ultimate Ford Ranger Resource


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  #1  
Old 03-31-2014
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Both power windows dead!

I just bought a (very) used 1999 Ford Ranger 3.0L. It's a bit of a fixer-upper, for sure. One problem is that neither power window will go down (fortunately they're stuck in the up position). I don't know the history of the problem, just that they don't work from either the DS or PS switches.

When I press any of the switches, I don't hear anything in the door (motors) or under the dash (relay) like I've read in some of the other power window threads here. (I do know that fuse #26 is good). Nothing happens at all.

I know how to get to the switches and remove the door panels. Once I have the door panels off, what components should I check first? Second? Third? How do I test the switches with a multimeter?? If the switches check out ok, then what?
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Old 04-01-2014
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Take off the drivers door power window switch, this is the master switch, check it for 12v with key on, light blue/black wire was the power wire on most Ranger power windows

Power box in engine compartment may have the power window relay, they moved it around

'99 will have a GEM(Generic Electronic Module) that can disable power windows via the Power Saver relay.

GEM controls wipers, inside lights, speedometer, and pretty much any other non-engine electrics, so if any other systems are having issues it could be the GEM as the root cause
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Old 04-01-2014
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Well, I checked the driver's side switch at the connectors and it there appears to be no power to it (yes, key on). Disconnected switch and checked it for continuity and all 4 positions (DS_up/down and PS_up/down) work correctly. So it's not the switch.

I think the GEM is not the problem, as all other electrics seem to be working fine.

As for relays, I'm pretty fuzzy about those… and where to even find them. I see nothing behind/under dash by driver's knee, and the only power box I see in the engine compartment is the Power Distribution Box. I don't see anything listed in the manual as Power Saver Relay. (I did check Fuse #4 in the Power Distribution box, as it is labeled Power Windows. It is fine.)

So, other than confirming that the DS window switch is operable, I'm still stumped. Any ideas of what to try next?
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Old 04-01-2014
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I would first look in the driver's kick panel you should see all the door wiring coming out there, could even find the relay there.

Did you find the light blue/black wire on the switch, I think that should be the power wire, in the kick panel see if you can find a connector for the door wiring and test that wire for 12v, could be a broken wire in the door boot.

When you checked the fuse did you also check if the fuse has power with key on?
It could be a power distribution problem, not the power window system wiring

Last edited by RonD; 04-01-2014 at 10:05 PM.
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Old 04-01-2014
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Will check those things tomorrow. Thanks for the tips!
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Old 04-04-2014
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Ron,
Not much progress since your last post. I can see the light blue/black wire on the interior side of the door boot, but I can't get to it. I'm going to have to remove the parking brake mount to see where the wires from the door boot go once they come into the interior. That's a job for another day.

Still very fuzzy on the relay situation. Maybe I can see something more clearly once the parking brake mount is out of the way.

As for the fuse test… that's a good question. (Fuses are on the power (+) side, not the ground side, right?) Fuse 26 on the small panel on the dash near the driver's door, has power.
However, when I checked the large 20A fuse (#4) in the Power Distribution Box in the engine compartment, I don't get power with key on. Should I? Or is that getting power only when the power window switch is engaged?

You know, I've seen posts on this forum of people who modified crank window to power windows. At this point, I'm about ready to entertain the thought of putting in manual windows. Ha!
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Old 04-04-2014
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That #4 20 Amp fuse should have power at all times.

SHould be a straight connection to the battery (through the fuse box).
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  #8  
Old 04-05-2014
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Ok, correct that. Checked #4 20A fuse again with different multimeter. It DOES have power after all.
So I still have no power at switch, but #4 is not the problem.
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Old 07-06-2015
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HI

I have a similar problem. 2000 Ranger 4x4 both power windows are dead, wipers do not work and 4x4 switch does not work. There is no power on the blue black wire on either window switches. I was reading about the power saver module? or generic electronic module? but do not know where to find it. All fuses check out OK. Can anyone steer me in the right direction ?

Thanks
Les
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Old 07-06-2015
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I assume you have checked the fuse panel in the cab, and also the engine bay panel, one blown fuse can disable several devices in these newer vehicles, 1990 and up.

Go here to get your manual: Owner Manuals | fleet.ford.com

These usually list where those parts are located

The GEM module is behind the radio on most Rangers, you need to pull out the radio.
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  #11  
Old 04-25-2016
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I just had the same issue. Replaced the driver side window motor and now the passenger side works too. Somewhere I read that the driver side works like a master. So if it's broken the passenger won't work either.
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