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Discussion Starter #1
2008 Smart ForTwo Passion Coupe...

The power windows work intermittently. They normally stop working when they are up and I try to put them down but they have stopped working when down and I needed to put them up. When I pull the power window fuse/reinsert it they seem to reset and the power windows work again for a few days. The fuse is never blown. Wiring, module, or switch? Any ideas?

Thanks
 

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I had something like this happen on another car and it was actually the mechanism binding due to rust. Wonder if you should pull the door panel and inspect and lube the parts. Might also be some binding in the tracks or the weatherstrip where the window drops into the door.

When they stop in the down position can you work them back up by gently pulling on them whilst pushing the up button? i guess you could also check the switch for rust/corrosion and give it a shot of dioxit.
 

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I had this happen with my 2008 cabrio and it was caused by having a jumper wire for the power windows so they would work independently of the key. If you have this you could unhook the wire or install a switch on it to work as a reset. I learned this the hard way. Chumly
 

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I've had a problem with the passenger side window twice in the last several years. The window will go down, but not up.

The first time was shortly after I had a collision on the LF of the car and the collision center replaced the door switch, solving the problem for more than a year.

The problem has now returned to the same switch location. My window can be closed by applying light downward pressure at the switch's pivot end while operating the switch. So, in my case at least, it is the switch. And I'll just have to live with the new quirk.

I wish my roof problem was so easy to contend with.

2008 cabrio
 

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Thank you everybody for all the great suggestions! I think I figured out the problem, if I don't post another reply to this thread then this was the issue...

I have attached 2 pictures... 1 shows the fuse box that you can install a fuse extender to make your windows operate without the ignition on. It looks like the previous owner had installed a fused extender in the location where you see the wire running to the yellow 20 amp. I believe they had removed it and broke off the fuse blade(?) I'm not sure of the correct name for it, you can see it in the second picture. What I did was remove the fuse box to get a better look at it, there was no way I was getting any tweezers or anything in there to remove the fuse blade so I disassembled it until I could access the rear of the slot that the fuse was originally in. I had to desolder it so I could access the back which is open after desoldering and then I used tweezers to punch it out through the front. I then soldered it back and put everything back together, I then got really nervous because I had 3 lines on my dash and the vehicle wouldn't start!! After a quick reset procedure that I found online it started no problem and everything seems to be working as it's supposed to!
 

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Unfortunately after about 2 weeks the windows stopped working again. So my previous repair did not resolve the problem!

NCC1701: You only have this issue with the passenger side window? Do both the passenger and driver side switch not operate it when you have the problem? I'm assuming it's not the same problem because it's always both windows but nonetheless since the drivers side switch controls both windows I'm going to inspect and/or replace it.

chumly: Did the dealership do anything else besides remove the jumper wire?

Niteshooter: They very rarely stop in the down position so I'm not sure. I doubt the mechanism binding is the issue cause they normally work perfectly and both windows always stop working at the same time. I'm going to pull the drivers door panel and inspect and/or replace the switch to see what I can find.
 

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Unfortunately after about 2 weeks the windows stopped working again. So my previous repair did not resolve the problem!

NCC1701: You only have this issue with the passenger side window? Do both the passenger and driver side switch not operate it when you have the problem? I'm assuming it's not the same problem because it's always both windows but nonetheless since the drivers side switch controls both windows I'm going to inspect and/or replace it.

chumly: Did the dealership do anything else besides remove the jumper wire?

Niteshooter: They very rarely stop in the down position so I'm not sure. I doubt the mechanism binding is the issue cause they normally work perfectly and both windows always stop working at the same time. I'm going to pull the drivers door panel and inspect and/or replace the switch to see what I can find.
You do not remove the door panel to remove the window switch. Remove the triangular trim then the switch.
 

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Discussion Starter #8
Thanks for that information! Saves me the time looking it up. Today the windows started working again and I never pulled/reinserted the fuse! I wonder if there is a lose connection somewhere...
 
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