Thursday, March 24, 2011

911 Carrera 4 Replacing Switch on Transmission for Reverse Lights / Back-Up Lights

Procedure: 1. If you are working under your pickup or SUV (and the wheels are still on) and the jack breaks or your stands slip, at least there is enough space for your body under that vehicle when it comes crashing down. Under your Porsche, there is no room for you unless you are only 3.6 inches thick. If the jack fails or the stands slip and the car falls, you will either die, or at least be crapping in a bag for the rest of your life. So lift the rear of the car up in a very SAFE and STABLE manner. I recommend the use of ramps, as shown in the picture below. Note how the front wheels are chocked, the ramps are super-sturdy and have stop blocks at the ends, and the car is in gear with the handbrake very tightly engaged.
2. Locate the reversing light switch on the portion of the transmission that is furthest forward in the vehicle. The switch is mounted in a hole in the transmission housing that faces directly up, and has a two-wire snap-on connector. (This is the location for a '99 911 Carrera 4 with the 6-speed Getrag transmission; your car may be different.
3. Using a medium-sized flat-blade screwdriver, pry the snap retainer of the wiring connector open slightly so that the connector will come off. Note that you will have to pry the connector so the plug can slide out, while at the same time applying pressure to the plug to push it out. The green rubber portion of the connector is to keep water out of the connection area, but it also adds some friction to the connection. You won't have to push too hard, so just make sure you're moving the snap retainer out of the way enough.

pdf source: http://www.locodemoto.com/transfer/Replacing-Reverse-Lights-Back-Up-Lights-Switch.pdf

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