Same-day shipping before 3PM CST · 35,000+ OEM Parts · Texas CMBL & SAM.gov Registered · Government POs Accepted

Menu

Home Shop All Account Cart

IMAGE COMING SOON

Goodman

OEM Goodman 12-Pin Wiring Harness for AMH80703ANAA — 0259F00018

SKU: GOODMAN-5262 Brand: Goodman
$23.95 $30.95

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

The Goodman 0259F00018 12-Pin Wiring Harness is a genuine OEM replacement main control harness for the Amana/Goodman AMH80703ANAA gas furnace and related units. This harness carries low-voltage and control signals between the integrated furnace control board and key components. Melted, chafed, or corroded connectors can cause intermittent operation, no-heat calls, or erratic control board behavior — replacing the harness restores clean, reliable connections.

  • OEM Part #: 0259F00018
  • Type: 12-pin control wiring harness
  • Fits: AMH80703ANAA and compatible Goodman/Amana furnaces
  • Connector: Keyed 12-position OEM plug
  • Style: Plug-and-play, color-coded leads

OEM vs. Generic: The OEM 0259F00018 arrives pre-terminated with the correct 12-pin keyed connector and factory wire gauges, so it seats directly into the control board with no splicing. Generic or self-built harnesses risk pin mismatches and loose crimps that create hard-to-diagnose faults. OEM ensures a guaranteed, weather-durable fit.

Install difficulty: Moderate (⭐⭐⭐☆☆). Disconnect power, photograph the existing routing, unplug the keyed connector, and swap in the new harness following the same path. Basic wiring familiarity recommended; if in doubt, use 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

Frequently Asked Questions

Does this Wiring Harness fit my Goodman AMH80703ANAA — 0259F00018?
Yes. This is the factory-specified OEM wiring harness for the Goodman AMH80703ANAA — 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 AMH80703ANAA — 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.
Home Shop Search Account Cart
Fitment Guaranteed
MR
Mike Rivera
HVAC Parts Specialist — Online