What are the specs for this Wiring Harness?

The correct replacement for Goodman model AEPT036-00A-1 Air Handler — B1378700 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 AEPT036-00A-1 Air Handler — B1378700.

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 16-Pin Wiring Harness for AEPT036-00A-1 Air Handler — B1378700

Name: OEM Goodman 16-Pin Wiring Harness for AEPT036-00A-1 Air Handler — B1378700
Brand: Goodman
SKU: GOODMAN-B1378700
Price: 23.95 USD
Availability: InStock

SKU: GOODMAN-B1378700 Brand: Goodman

$23.95 $32.33

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Goodman B1378700 16-Pin Wiring Harness

The Goodman B1378700 is a genuine OEM 16-pin wiring harness built for AEPT036-00A-1 air handlers and compatible Goodman/Amana models. This high-density harness is the main control interconnect, carrying blower speed taps, thermostat inputs, and accessory signals between the control board and the air handler components through a single keyed 16-position connector. A damaged or corroded harness causes erratic blower behavior, communication faults, and intermittent operation — issues that a fresh factory harness resolves cleanly.

Specifications

Part Number: B1378700 (OEM Goodman)
Connector: 16-pin keyed, multi-circuit control
Application: Air handler main control wiring
Fitment: AEPT036-00A-1 and compatible Goodman/Amana air handlers
Material: Color-coded stranded copper with factory terminals

OEM vs. Generic

The genuine Goodman B1378700 arrives with all 16 circuits pre-terminated in the correct positions, so it plugs directly into the board and components. Generic harnesses force pin-by-pin splicing — a slow, error-prone process that can swap blower taps or controls and risk board damage. The OEM harness is a true plug-and-play replacement.

Installation Difficulty

Easy (1/5). Disconnect power, unplug the old harness at both connectors, route the new harness along the original path, and reconnect. Typically completed in 15–20 minutes. Always shut off power at the disconnect before servicing.

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 16-Pin Wiring Harnes...

$23.95

Frequently Asked Questions

Does this Wiring Harness fit my Goodman AEPT036-00A-1 Air Handler — B1378700?

Yes. This is the factory-specified OEM wiring harness for the Goodman AEPT036-00A-1 Air Handler — B1378700. 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 AEPT036-00A-1 Air Handler — B1378700?

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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