What are the specs for this Wiring Harness?

The correct replacement for Goodman model APH1636H41AB — 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 APH1636H41AB — 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.

IMAGE COMING SOON

Goodman

OEM Goodman 16-Pin Wiring Harness for APH1636H41AB — B1378700

Name: OEM Goodman 16-Pin Wiring Harness for APH1636H41AB — B1378700
Brand: Goodman
SKU: GOODMAN-15825
Price: 18.95 USD
Availability: InStock

SKU: GOODMAN-15825 Brand: Goodman

$18.95 $24.95

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014

SAM.gov Registered

Govt POs Accepted

The Goodman B1378700 16-Pin Wiring Harness is a genuine OEM replacement connector assembly engineered for the APH1636H41AB heat pump and compatible Goodman/Amana platforms. This main control harness carries power and low-voltage signaling between the control board, defrost board, and outdoor components. A cracked, melted, or corroded harness is a common cause of intermittent operation, defrost faults, and no-start conditions — replacing it with the correct OEM part restores reliable, factory-spec connectivity.

Specifications

Part Number: B1378700
Connector Type: 16-Pin main harness
Fits Model: APH1636H41AB (heat pump)
Brand: Goodman (OEM)
Application: Outdoor unit control wiring

OEM vs. Generic

This is a genuine Goodman OEM harness with the exact pin-out, wire gauge, and keyed connectors specified by the manufacturer. Generic or hand-spliced alternatives frequently mismatch pin arrangements, use lighter-gauge wire, and void warranty coverage. For a 16-pin control harness, OEM is strongly recommended to avoid miswiring and control-board damage.

Installation

Difficulty: Moderate. Disconnect power at the breaker before servicing. Photograph the existing connections, unplug the keyed connectors, and route the new harness along the original path. No cutting or crimping required — connectors are plug-and-play. Professional installation is recommended if you are unfamiliar with HVAC control wiring.

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...

$18.95

Frequently Asked Questions

Does this Wiring Harness fit my Goodman APH1636H41AB — B1378700?

Yes. This is the factory-specified OEM wiring harness for the Goodman APH1636H41AB — 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 APH1636H41AB — 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