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The Goodman B1225020 Wiring Harness is a genuine OEM replacement for the ASZ130241AC 13 SEER, 2-ton heat pump and other compatible Goodman/Amana condensing units. This factory harness carries low- and line-voltage connections between the control board, contactor, compressor, defrost sensor, and reversing valve solenoid, using color-coded leads and pre-terminated connectors that plug directly into their matching components.
Damaged, brittle, or rodent-chewed wiring is a frequent cause of intermittent no-heat, no-cool, or nuisance-tripping faults in outdoor units. Replacing the whole harness restores clean, reliable connections instead of splicing individual wires — a far more durable repair.
The genuine OEM B1225020 arrives with the correct wire gauges, lead lengths, and connector bodies already crimped for your unit, so there's no guesswork matching terminals. Generic or hand-built harnesses risk wrong gauge, loose crimps, and mismatched plugs that cause voltage drop and heat at the connections. OEM ensures a factory-quality, code-compliant repair.
Moderate (30–45 min). Requires basic electrical comfort and careful attention to lead routing. Photograph the existing connections first, kill power at the disconnect, and transfer connectors one at a time to avoid mix-ups. Verify with the unit wiring diagram before restoring power.