What are the specs for this Wiring Harness?

The correct replacement for Goodman model AMH80703ANAB — 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 AMH80703ANAB — 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 AMH80703ANAB — 0259F00018

Name: OEM Goodman 12-Pin Wiring Harness for AMH80703ANAB — 0259F00018
Brand: Goodman
SKU: GOODMAN-5275
Price: 23.95 USD
Availability: InStock

SKU: GOODMAN-5275 Brand: Goodman

$23.95 $30.99

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OEM Goodman 0259F00018 12-Pin Wiring Harness

The Goodman 0259F00018 is a genuine 12-pin wiring harness engineered for the AMH80703ANAB gas furnace and compatible Goodman/Amana models. This harness carries the low-voltage and control signals between the integrated furnace control board and the furnace's downstream components. When you see intermittent operation, dropped signals, melted connectors, or a no-heat call caused by chafed or corroded wiring, replacing the harness with the OEM part restores reliable pin-to-pin connections without splicing or guesswork.

Specifications

Connector: 12-pin molded plug
Fit: Goodman/Amana AMH80703ANAB and compatible furnaces
OEM part number: 0259F00018
Application: Low-voltage control board wiring
Equipment type: Gas furnace

OEM vs. Generic

OEM Goodman harnesses use the exact pin spacing, wire gauge, and keyed connector geometry of the original, so they seat fully and lock into place. Generic universal harnesses often require crimping and re-pinning, which introduces failure points and can void warranties. For a control-signal component, the OEM part is the safe choice.

Install Difficulty

Easy (1 of 5). Cut power at the disconnect, unplug the old harness from the control board and mating connectors, route the new harness along the same path, and click each plug into place. Most homeowners with basic care complete this in 15–20 minutes. If you are unsure about the control wiring, consult a licensed HVAC technician.

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 AMH80703ANAB — 0259F00018?

Yes. This is the factory-specified OEM wiring harness for the Goodman AMH80703ANAB — 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 AMH80703ANAB — 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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