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Need help with Wiring diagram / colours

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I have a 911 (996) 1999 C2 Model (UK) , (Im moving the aircon control down and taking out the CDR-22 CD Player to give me a 2 Din slot. - Its the old type wiring ie not MOST

The navigation requires all the usual ISO connections but in addition the following items

1. Vehicle speed pulse - I assume this is the GAL wire ? - If so where is it?

2. Detection of lighting switched on - I assume +12 live when lights are on

3. Handbrake +12v side - can I get to the handbrake + side without opening up the handbrake ?

4. Reverse light (or a line that goes live when reverse is selected) - hopefully at the front of the car

I wonder if someone can help me identify where these wires may be at the "head" end of the vehicle if you follow - ie I dont fancy pulling a wire all the way from the back of the car for the reversing light and I figure that they must also be connectors at the front

Thanks and much appreciated if anyone knows about these wires and their colours .

Just to add - Not wasting peoples time I found an excellent post by Loren that answers the GAL and the reverse question - Still looking for the handbrake live and a suitable lights wire .. thanks

Edited by thebairdybunch
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