What are the specs for this Wiring Harness?

The correct replacement for Goodman model AMH81155CNAC — 0259F00018 is this exact part. It is the factory-specified replacement with exact OEM specifications. Using a part with different specifications can cause equipment damage or void your warranty. You can verify this by checking the data plate on your Goodman equipment which lists the model number AMH81155CNAC — 0259F00018.

What symptoms indicate I need a new wiring harness?

Common symptoms that indicate you need a new wiring harness include unusual noises, intermittent operation, complete failure to operate, or visible damage. For specific diagnostic guidance, visit nationalhvacparts.com/pages/hvac-diagnostic.

Is this wiring harness compatible with Bryant or Payne systems too?

Many Goodman parts are cross-compatible with Bryant and Payne systems since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across multiple brand labels with different model numbers. To verify cross-compatibility, check your Bryant or Payne equipment service manual for cross-compatible part numbers, or contact info@nationalhvacparts.com with your model number for confirmation.

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Goodman

OEM Goodman 12-Pin Wiring Harness for AMH81155CNAC — 0259F00018

Name: OEM Goodman 12-Pin Wiring Harness for AMH81155CNAC — 0259F00018
Brand: Goodman
SKU: GOODMAN-6020
Price: 23.95 USD
Availability: InStock

SKU: GOODMAN-6020 Brand: Goodman

$23.95 $30.95

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The Goodman 0259F00018 12-Pin Wiring Harness is the genuine OEM connector assembly for the AMH81155CNAC 80% two-stage gas furnace and compatible Goodman/Amana models. This harness links the integrated furnace control (ignition control board) to the blower, gas valve, and safety circuit, restoring reliable low-voltage signaling when a plug is melted, corroded, or has broken pins.

Specifications

Connector: 12-pin main control plug
Fits: Goodman/Amana AMH81155CNAC and equivalent 80% furnaces
Type: Direct-replacement OEM wiring harness
Brand: Goodman OEM (0259F00018)

OEM vs. Generic

The OEM harness uses factory keyed connectors and correct wire gauge for an exact plug-and-play fit with no re-pinning. Our generic equivalent matches pin count and function at a lower cost and is ideal for experienced techs comfortable verifying wire colors against the furnace diagram.

Installation Difficulty

Moderate. Requires disconnecting power, photographing existing routing, and transferring the harness one connector at a time. Plan 20–30 minutes; a wiring diagram is recommended.

Always cut all power at the breaker before servicing. Professional installation recommended.

Shipping Information

Orders placed before 3PM CST ship same business day
Standard delivery: 2-5 business days
Express shipping available at checkout
Free shipping on orders over $75
Tracking number emailed upon shipment

Return Policy

30-day returns on unused parts in original packaging
Electrical parts (capacitors, contactors, control boards) are final sale once installed
Email info@nationalhvacparts.com to initiate a return
Refunds processed within 5-7 business days

OEM Goodman 12-Pin Wiring Harnes...

$23.95

Frequently Asked Questions

Does this Wiring Harness fit my Goodman AMH81155CNAC — 0259F00018?

Yes. This is the factory-specified OEM wiring harness for the Goodman AMH81155CNAC — 0259F00018. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.

How do I replace the wiring harness on my Goodman AMH81155CNAC — 0259F00018?

Refer to your equipment service manual for model-specific steps. General approach: turn off power, photograph connections, remove old part, install new part, restore power and test. For gas components, hire a licensed technician. Email info@nationalhvacparts.com for guidance.

What symptoms mean I need a new wiring harness?

Common symptoms: unusual noises, intermittent operation, complete failure, or visible damage. Visit our diagnostic hub for symptom-based troubleshooting.

Is this wiring harness compatible with Bryant or Payne too?

Many Goodman parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.

Should I use OEM or aftermarket for my Goodman wiring harness?

OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.

How fast does National HVAC Parts ship?

Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.

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