What are the specs for this Wiring Harness?

The correct replacement for Goodman model AEPF183016CA — 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 AEPF183016CA — 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 AEPF183016CA — B1378700

Name: OEM Goodman 16-Pin Wiring Harness for AEPF183016CA — B1378700
Brand: Goodman
SKU: GOODMAN-1221
Price: 23.95 USD
Availability: InStock

SKU: GOODMAN-1221 Brand: Goodman

$23.95 $32.33

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The Goodman B1378700 is a genuine OEM 16-pin wiring harness built as a direct-fit replacement for the AEPF183016CA air handler. This harness carries the low-voltage control and motor signals between the control board and the blower/ECM module. When pins corrode, insulation chafes, or a connector melts from a loose contact, you'll see intermittent operation, no-blower faults, or communication errors. Replacing the harness with the correct OEM loom restores clean, reliable connections.

Each connector is keyed and color-matched to the factory layout, so there's no guesswork or splicing — it plugs straight in.

Specifications

Part number: B1378700
Connector: 16-pin keyed plug
Type: Low-voltage control / signal harness
Brand: Goodman OEM
Fits: AEPF183016CA air handler
Equipment: Air Handler / Fan Coil

OEM vs. Generic

OEM (this part): Correct pin-out, gauge, and connector keying for a true plug-and-play swap with no rewiring. Generic: Rarely available for an exact 16-pin match; substitutes usually mean cutting and crimping, which risks miswiring and warranty issues. For control harnesses, OEM is the safe choice.

Installation Difficulty

Easy. Unplug the old harness at both ends, route the new one along the same path, and seat each connector until it clicks. No tools required beyond cable ties. Allow 15–25 minutes. Disconnect power 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 AEPF183016CA — B1378700?

Yes. This is the factory-specified OEM wiring harness for the Goodman AEPF183016CA — 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 AEPF183016CA — 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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