What are the specs for this Wiring Harness?

The correct replacement for Goodman model AEPF426016BB — 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 AEPF426016BB — 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.

Goodman

OEM Goodman 16-Pin Wiring Harness for AEPF426016BB — B1378700

Name: OEM Goodman 16-Pin Wiring Harness for AEPF426016BB — B1378700
Brand: Goodman
SKU: B1378700-GEN
Price: 23.95 USD
Availability: InStock

SKU: B1378700-GEN Brand: Goodman

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014

SAM.gov Registered

Govt POs Accepted

OEM Goodman B1378700 16-Pin Wiring Harness

The Goodman B1378700 is a genuine 16-pin wiring harness built as a direct factory replacement for the AEPF426016BB air handler. This harness carries the motor control and power signals between the integrated control board and the variable speed blower motor. Melted connectors, corroded pins, or chafed wires can cause erratic blower operation, fault codes, or a no-airflow condition — this OEM harness restores a clean, reliable connection.

Specifications

Connector: 16-pin motor/control harness
Application: Air Handler blower motor wiring
OEM Part Number: B1378700
Brand: Goodman
Fits Model: AEPF426016BB

OEM vs. Generic

This genuine Goodman OEM harness uses the correct 16-pin connector, wire gauge, and pin-out for the AEPF426016BB control board and ECM motor. Generic or spliced harnesses risk mismatched pin assignments and intermittent faults. OEM ensures a true plug-and-play connection.

Installation Difficulty

Easy to Intermediate — The harness unplugs from the control board and motor and snaps into place. Note routing and strain-relief locations before removing the old harness, and confirm both connectors are fully seated. Always disconnect power at the breaker 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 AEPF426016BB — B1378700?

Yes. This is the factory-specified OEM wiring harness for the Goodman AEPF426016BB — 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 AEPF426016BB — 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.

Menu