Have Mach 15 48204-0692. Adding Heat Kit 9233-4551. Will this control work? Current box has harness, not terminals
Coleman Mach 9330C755 Heat-Ready AC Cool Control Kit
rv air conditioner parts
The current control box does not have the hit strip pin, so need new control box. I understand the 9330C755 should work. But the thermostat input into the current box as well as the freeze wires are grouped into harnesses that click in place, not individual terminals, so I want to make sure this will work. I assume I'll need to cut the wires from the harness and individually wire them.
Question ID: 6132340 Status:
Open Sep 04, 2025 - 12:32 PM
1answer
Answer
Sep 05, 2025 - 08:32 AM
Yes, you are correct in your assessment. The Coleman Mach 9330C755 Heat-Ready Air Conditioner Cool Control Kit is indeed the appropriate part for adding heat capability. To install it, you will need to cut and splice your existing harness wires, as the new control box uses a terminal strip for connections. Older factory units, especially "cool-only" models, used proprietary harnesses for quick assembly, but the 9330C755 is designed for versatility, allowing you to connect individual thermostat and freeze sensor wires directly to its low-voltage terminal strip when upgrading to include a heat strip.
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