I replaced a bad REN radio with a used but working REN RADIO. si ce replacing the radio works great but now my ves dvd player is hit or miss as to if it's gonna work. Sometimes it will power on and work other times it's like ita getting no.power at all.

I swapped radios back once and the dvd player worked then switched back to the new one and it continued to work but yesterday I noticed non of the power lights were on

Any help would be greatly appreciated!!