Windows won't open

[EricFlanagan]

I have a 2004 3.0i E85 about a month ago I sent my GM5 for repair due to passenger door not unlocking. When I got the GM5 back I connected it and there was a failure probably job not done correctly, the GM5 started heating up and the car went into a lockdown mode. Only when I found the exact GM5 module and replaced it with a functioning one the car unlocked and everything started working again - except for the windows. At first it was intermittent, drivers window would not open, passengers would, then they'd open slowly, then the driver's stopped working and eventually both stopped working at all.

When I press the window button I can hear clicks coming from the GM5 (I guess), also when opening the roof the windows used to slide down half way, that doesn't happen anymore.
I also tried to connect my friend's GM5 (E85 as well) to see whether maybe I purchased a bad unit, that also did not help with the windows.

Any ideas how to approach this? Thanks in advance.

 

[mac27040]

check fuses 41 & 46

 

[EricFlanagan]

check fuses 41 & 46

Hey, just did, they're both fine
Any other suggestions?

 

[enuff_zed]

Think I'd get the GM5 out and check if there's any heat damage to the plugs from the last one.

 

[mac27040]

could it be simple the window motors are knackered?

 

[EricFlanagan]

Think I'd get the GM5 out and check if there's any heat damage to the plugs from the last one.

So I checked and I'm no expert but it looked okay, attached are pictures of the connectors, I also went over the harness and the wires seem fine, nothing frayed or disconnected.

could it be simple the window motors are knackered?

In order to check that do I need to remove the door panel?

 

[enuff_zed]

I wrote a post explaining how to wind windows up and down via the loom. I’ll see if I can find it.

 

[enuff_zed]

Found it:

Disconnect the battery and wait 10 minutes first as otherwise you'll get an airbag light when you disconnect the airbag wires in the main connector.

Open the door and find the loom connector on the A-pillar. Undo the bolt and lift the connector a bit until it disengages from the pillar.

Undo the plug and look at the wires coming from it into the door. Two are much thicker than the rest.

These are near the top of the connector, one above the other.

Left door: black/purple and blue/purple
Right door: black/green and blue/grey

If you use a battery to put power across these two wires into the door you can wind the window up and down.

Do NOT put power across any of the other wires unless you want to test the airbag.

 

[mac27040]

Have you tested the drivers door windows switch unit ? this could be the problem.