What are the specs for this Wiring Harness?

The correct replacement for Goodman model AEPF18301BA — B1378701 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 AEPF18301BA — B1378701.

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 5-Pin Wiring Harness for AEPF18301BA — B1378701

Name: OEM Goodman 5-Pin Wiring Harness for AEPF18301BA — B1378701
Brand: Goodman
SKU: GOODMAN-1235
Price: 16.95 USD
Availability: InStock

SKU: GOODMAN-1235 Brand: Goodman

$16.95 $22.88

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Texas CMBL #19328542014

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The Goodman B1378701 5-Pin Wiring Harness is a genuine OEM electrical connector assembly engineered for Goodman AEPF18301BA air handlers and compatible Goodman/Amana models. When a control harness becomes brittle, melted at the connector, or develops intermittent connections, replacing it with the exact factory part restores reliable communication between the blower control board and downstream components — without the guesswork of splicing universal leads.

Specifications

OEM Part Number: B1378701
Type: 5-pin plug-in wiring harness
Application: Goodman air handler control wiring
Primary Fit: AEPF18301BA
Brand: Goodman (OEM)
Connector: Keyed 5-position, factory pin spacing

OEM vs. Generic

This is the genuine Goodman OEM harness, with the correct connector keying, wire gauge, and lead lengths so it seats the first time. Generic or hand-spliced alternatives often use undersized wire or non-keyed plugs that back out under vibration and trigger nuisance faults. For control circuits, OEM fit eliminates miswiring risk and protects your board warranty.

Installation Difficulty

Easy (2/5). A keyed plug-and-play swap for most technicians — disconnect power, unplug the old harness, route and seat the new one in the same path. Always disconnect electrical power before servicing. Installation should be performed by a qualified 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 5-Pin Wiring Harness...

$16.95

Frequently Asked Questions

Does this Wiring Harness fit my Goodman AEPF18301BA — B1378701?

Yes. This is the factory-specified OEM wiring harness for the Goodman AEPF18301BA — B1378701. 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 AEPF18301BA — B1378701?

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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