Mike, first let me welcome you to iRV2.com. We are glad to have you join ushere and we look forward to reading of your adventures and experiences.
You may want to try checking with BR Electronics: http://brwholesale.com/
You should have the make and model number off the converter when you call.
When you reinstall be sure all connections are good and tight; loose connections can casue burning of terminals and wiring. Use the right size fure for the circuit conductor wire gage. If you need any further help let us know. Good luck and stay safe.