i have a new pioneer primier 550 to replace my old pioneer i matched up the colors exactly on the harnesses and it wouldnt turn on. then i checked the fuses and connections all seemed ok to me. what else is there that i could be missing.
TIA

 

There has to be a problem withthe wiring or the fuses. Check again. Try a multimeter (or altleast a testlight) to troubleshoot.

 

Check the colours didn't change between models, best to go by a wiring diagram

 

One difference in the harness is the old Pios 12V battery was orange but the new one is yellow. Also pios have an inline resistor on the red wire in a 1" black housing and the tend to burn very easily. Just cut it out of the loop and reconnect both end of the red. If you dont have a blown fuse, I bet one of these will fix it.

 

thnx guys it was under hood fuse sry i checked the inline one and the driver side fuse box inside but really appereciate your help.