1. Disconnect battery.
2. Remove centre console.
3. Unscrew and remove window switch and unplug it from the loom.
4. Undo tiny brass screw that holds the switch (white bit) to the holder and rockers (black bits).
5. Holding in something containing like a pillowcase, gently bend back each tab of the holder with your fingers and free each lug of the switch.
6. When all tabs are off separate the switch and holder. More than likely the 4 little metal rocker arms will fly everywhere when you do this (hence the pillowcase).
7. Check the photo. All the positive contacts are blackened and covered in oxide and muck.
8. Clean each contact with metho then polish lightly with about 800 wet n dry.
9. Do the same for the metal rocker arms.
10. Re-position all 4 rocker arms in the switch. Don't force them, they only go in one way and they fall into place easily when you've got it right.
11. Clip the holder back on over the top of the switch. Replace and tighten the brass screw. Good idea to test with a multimeter now. Test for 0.6 ohms max across each position.
12. Put it all back together again and re-connect battery.
13. Watch in awe as windows go up and down when you want them to.
