can some body please tell me which is positive and negative. I am installing new speakers and i have done the rear all good but i lost the clip i cut off on the passenger side front so i dont know whats what. I have a white with blue stripe and black with blue stripe. Which is which please help.

Oh and its a 97 Magna Altera

Check the DIY section or do a search as I have post a thread about this before :)

http://www.aussiemagna.com/forums/showthread.php?t=89304 link to thread :)