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The CARRIER 17401203000462 is a genuine OEM wiring harness designed to connect the CN11/12 connector to the CN3 connector within compatible Carrier HVAC systems. This harness maintains the electrical signal and power routing between internal control components, preserving factory-specified performance. It is a direct replacement part intended for use by licensed HVAC technicians performing diagnostic repairs or component replacements on Carrier equipment. Using a genuine OEM harness ensures connector fit, wire gauge, and insulation ratings match original factory specifications.
This wiring harness is used in Carrier HVAC equipment where the CN11/12 to CN3 connection is part of the internal control circuit. It is appropriate for service calls where the original harness shows signs of heat damage, connector failure, chafing, or continuity loss. Installation is typically performed during a control board service or component swap in a residential or light commercial Carrier system.
Designed as a genuine OEM-style replacement wiring harness for compatible Carrier HVAC systems requiring a CN11/12 to CN3 harness. Refer to your equipment service manual or Carrier parts lookup to confirm fitment for your specific model.
This part should be installed by a licensed HVAC technician. Disconnect all power to the unit at the disconnect switch and confirm zero voltage before handling any wiring or control components. Inspect connector housings for damage before seating the new harness, and ensure each connector is fully latched before restoring power. Follow all applicable local and national electrical codes when servicing HVAC control wiring.
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