Traded head units with my friend today.
Did everything right because it work when i was done cont, everything. i disconnected for a min, then when i went to finish the job i got no power, at all. Fuses are good and everything. What could it be.

 

poineer deh p6400

 

What exactly did you disconnect? Try resetting it if there's an option to do so (like when you stick a pen in a small opening to reset).

 

did you check the fuse under the hood?

 

Make sure your ground wire isn't loose.

 

what fuse under the hood. I've got integra.