put in a new sony stereo. nothing flashy.

i hooked it all up but didnt connect the yellow wire since i heard i might not need it.

well it works but theres no memory

what does the yellow wire connect to a 90 civic

 

the constant 12v.. for memory.. lol

 

I'd suggest not ever listening to whomever told you that it's not needed.

 

they probably meant oj.. for dimmer.. but who knows..

 

ROFL how did I miss this thread :rofl:

 

you don't need black or red either....they're optional

 

So is the entire stereo, leave it at home and save weight.