I use to have this 500GB external hard drive In my car-pc set-up
It was powerd off a Spare hdd molex Inside the car-pc. that i just snipped and joined.
Thats the plug that come off the external hard drive>
The wires of the plug on the external hard drive are werid colours
(Yellow,White, and red).
for got what ones what
how can i find out whats the 5v whats the 12v and whats the earth so i can hard wire them back into my new pc 
(can't remmeber how i find out whats what before :-S well confused )
It was powerd off a Spare hdd molex Inside the car-pc. that i just snipped and joined.
Thats the plug that come off the external hard drive>

The wires of the plug on the external hard drive are werid colours
(Yellow,White, and red).
for got what ones what
(can't remmeber how i find out whats what before :-S well confused )