I installed new head unit and forgot I had CD's in my changer. Now there is no power going to the changer to eject. Is there a manual ejection?

 

Slip a credit card under the cd holder, between the holder and the changer. Feel around and you'll trigger the release.

This worked for my '93 Prelude's Honda (Alpine) changer.

 

If you can ID the hot and ground wires, just run patch wires from your battery and hit the eject on the changer. If it's like most changers, it will have 2 hot wires. One will be a constant hot to keep its memory. This is the one you need to eject the cartridge. The other hot is "ignition on".