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DIY Title: Replacing Reverse Lights Switch DIY
BMW Category: 3-series E36
Author (forum name): Dudesky_E36
Date Written: October 16th, 2005
Original Thread: http://www.unitedbimmer.com/forums/thread4508.html
Date Added to KB: October 17th, 2005

United Bimmer Do-It-Yourself Disclaimer:
The following tutorial is meant as a guide and is not guaranteed to be complete or 100% accurate.  By following this DIY, you understand any work done on your car is at your own risk and we hold no responsibility if you break something.  If you feel uneasy with this risk, we recommend you take your car to a professional mechanic to have the work done.  Otherwise, enjoy yourself and good luck!

Backup lights don't work? Can't see behind you at night? If your bulbs check out okay, then the next step is to replace your backup light switch. This should take no more than a few minutes, and the switch costs under $10. This is probably the shortest and easiest DIY, but I wrote it anyway for those not so mechanically inclined

Jack up the car to give you more room to get underneath. Photo shows the switch on the driver's side of my Getrag transmission. On ZF trannies, it will be on the passenger side towards the front.


To pull the wire harness off, feel for the metal locking clip and push in. Then pull the harness off the switch. Photo shows the harness off, with the metal clip visible (sorry for the blurry picture).


You'll need a 3/4" box end wrench to unscrew the switch (inset photo), since not much else will fit in that space. If you use a socket set, you may need a deep well socket, but it might not fit with the wall of the tranny hump so close by.


Say goodbye to the offending switch, and pop in the new one. Official torque is 15 ft-lbs, but a smidge past hand tight will do just fine. Plug the harness back in, lower the car, and you're done! 
 
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