How to fix a Dual MCD237BT unit that won't turn on?
- TTaylor BrownAug 13, 2025
If your Dual Marine Equipment unit isn't turning on, it might be due to several reasons. First, check the yellow and red wires to ensure they are properly connected and receiving the correct voltage (11~16VDC). Also, verify the black wire's connection to ground. Lastly, inspect the fuse and replace it if it's blown.