just got myself a dirt cheap stacker and cable, but I am missing the small power cable, can anyone tell me what wires go where? there are 3 pins, pos/neg/ign I am guessing, but have no idea which is which

all working now, woohoo! my tightass stereo is temporarily complete.
Pioneer DEH-6850MP flip-face head unit
Pioneer CDX-P630S 6 stacker
Pioneer 6x9 boxed 3 ways in ther ear
Jaycar 6" splits in the front boxed
all up arund $135. gotta love 2nd hand and cash converters

Well done.
Are those the Jaycar $150 kevlar splits you have up front? How are they?