chop_suey

ok, im installing an Alpine receiver in my dad's 99 tacoma, it does not have the factory hookups just the wires, ive got all the wires together using this diagram http://www.installdr.com/Harnesses/Toyota-Wiring.pdf , my problem is that it comes on but doesnt go through the speakers, not sure what i did

also i noticed it says that the Left Rear Speaker (+) Black connects to Green
and im only seeing 1 black wire and ive got it connected to ground.

so if someone can help me out it will be much appreciated

thanks in advance

chop_suey

never mind i found the problem, the brown toyota wire was ground, and the black was a speaker wire