What are the specs for this Wiring Harness?

The correct replacement for Goodman model AEPF303616CA — 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 AEPF303616CA — 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 AEPF303616CA — B1378700

Name: OEM Goodman 16-Pin Wiring Harness for AEPF303616CA — B1378700
Brand: Goodman
SKU: GOODMAN-1277
Price: 23.95 USD
Availability: InStock

SKU: GOODMAN-1277 Brand: Goodman

$23.95 $32.33

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The genuine OEM Goodman B1378700 is a 16-pin wiring harness for the AEPF303616CA air handler. This harness carries the main control and power signals between the circuit board and the air handler's components. Melted, chafed, or corroded harness pins cause intermittent operation, error codes, and no-heat / no-cool faults — this factory loom restores clean, reliable connections.

Specifications

Connector: 16-pin / 16-circuit plug
Type: Pre-terminated plug-and-play wiring harness
Compatibility: Goodman/Amana AEPF303616CA air handler
Function: Control board / component interconnect
OEM Part Number: B1378700

OEM vs. Generic

The OEM B1378700 uses the correct connector body, pin assignments, and wire gauge so it plugs directly into the AEPF303616CA board with no splicing. Generic harnesses or hand-splices risk pin-out errors and loose terminals. For a safe, code-correct repair, use the genuine OEM harness.

Installation Difficulty

Easy–Moderate (2.5/5) — unplug the old harness and route the new one along the same path. Disconnect power first and photograph routing before removal. No splicing required.

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 AEPF303616CA — B1378700?

Yes. This is the factory-specified OEM wiring harness for the Goodman AEPF303616CA — 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 AEPF303616CA — 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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