ive searched and i know its here but i cant find it, im not gonna use a wiring harness for the head unit since all of the speaker wires will be sent via rca's. i need the constant hot, ground and the one for night illumination. what color are these three in the factory wire loom? thanks

 

I believe this is what you're looking for:

https://www.chevyhhr.net/forums/show...wiring+diagram

 

thank you

 

No problem..