dumb question but need help

[sk8funk]

ne1 can tell me what's the poz and neg wires in a nova gte, to connect a head unit. aint got iso init so need to connect it meself and not sure wich is wich.

sorry i aint that good at wires and dont wanna mess it up :? [/b]

[XZiBiT]

aint they red and black god i cant remember???? no im sure they are

[Ben3042]

Negative is brown
Red leads to the ignition so they head unit can only be switched on with ignition on.
Yellow is memory

[sk8funk]

i thought i couldnt see a red wire. yhanks for the help guys