What are the specs for this Wiring Harness?

The correct replacement for Goodman model WGHP4436AAE — B1225020 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 WGHP4436AAE — B1225020.

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 Wiring Harness for WGHP4436AAE — B1225020

Name: OEM Goodman Wiring Harness for WGHP4436AAE — B1225020
Brand: Goodman
SKU: B1225020-GEN
Price: 9.95 USD
Availability: InStock

SKU: B1225020-GEN Brand: Goodman

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The Goodman B1225020 Wiring Harness is a genuine OEM replacement assembly engineered for the Goodman WGHP4436AAE packaged heat pump and air conditioner. This harness consolidates the low- and high-voltage connections inside the control compartment, routing power and signal between the contactor, control board, capacitor, and motor leads. Brittle insulation, corroded terminals, or a chafed wire that shorts to the cabinet are common failure points — a fresh factory harness restores safe, reliable connections without splicing individual conductors by hand.

Specifications

OEM Part Number: B1225020
Brand: Goodman
Compatible Model: WGHP4436AAE
Type: Pre-terminated wiring harness assembly
Equipment: Packaged Air Conditioner / Heat Pump
Factory-crimped connectors and color-coded leads

OEM vs. Generic

This is the authentic Goodman OEM harness, manufactured to the exact wire gauge, connector style, and lead length your unit requires. Universal harnesses force manual re-pinning and polarity checks that invite miswiring and nuisance trips. The OEM part offers plug-and-play connectors so the repair matches factory specs on the first try.

Installation Difficulty

Rating: Easy–Moderate. Typically a 20–30 minute job with basic hand tools. Always shut off power at the breaker before opening the control box. Photograph the existing routing, move connectors one at a time to prevent cross-wiring, and verify each terminal is fully seated. If you are not comfortable around line-voltage HVAC wiring, hand this off to a licensed 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 Wiring Harness for W...

$9.95

Frequently Asked Questions

Does this Wiring Harness fit my Goodman WGHP4436AAE — B1225020?

Yes. This is the factory-specified OEM wiring harness for the Goodman WGHP4436AAE — B1225020. 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 WGHP4436AAE — B1225020?

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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