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Goodman

OEM Goodman 12-Pin Wiring Harness for AMH80703ANAC — 0259F00018

SKU: GOODMAN-5286 Brand: Goodman
$23.95 $30.95

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

The Goodman 0259F00018 12-Pin Wiring Harness is a genuine OEM assembly built for the Amana/Goodman AMH80703ANAC 80% AFUE gas furnace. This harness carries low-voltage and control signals between the integrated furnace control board and the furnace's key components. Melted connectors, chafed insulation, or corroded pins can cause erratic operation, blower faults, or a no-heat condition — replacing the harness with the factory part restores clean, reliable connections.

  • OEM Part Number: 0259F00018
  • Compatible Model: AMH80703ANAC (AMH8 series)
  • Connector: 12-pin main control plug
  • Leads: Factory-spec gauge, color-coded
  • Terminals: Pre-crimped OEM pins
  • Type: Direct plug-and-play replacement

OEM vs. Generic: The OEM 0259F00018 arrives with the exact pin-out, wire colors, and lead lengths the AMH8 control board is designed around — no cutting, splicing, or guesswork. Generic or hand-built harnesses risk mis-pinned connectors and voided warranties. Genuine wiring keeps the control logic and safety interlocks working exactly as the factory intended.

Install Difficulty: Moderate (2/5). Cut power at the disconnect, photograph the existing routing, unplug the 12-pin connector and any inline plugs, then route and seat the new harness following the same path. Confirm every connector is fully locked before restoring power.

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

Frequently Asked Questions

Does this Wiring Harness fit my Goodman AMH80703ANAC — 0259F00018?
Yes. This is the factory-specified OEM wiring harness for the Goodman AMH80703ANAC — 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 AMH80703ANAC — 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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Mike Rivera
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