I just purchased my 2nd RG and it had a factory installed amp under the "pizza box" storage area and a third brake light on the storage area. Well I removed the "pizza box" (don't need it riding in the city) and disconnected the amp wiring harness and light plug. Immediately my radio quit working, so I removed the amp from the pizza box and plugged it back in. Still not working. Now my battery is dead. Any suggestions I need help!