What are the specs for this Wiring Harness?

The correct replacement for Goodman model ASH130301A Heat Pump — 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 ASH130301A Heat Pump — 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.

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Goodman

OEM Goodman Wiring Harness for ASH130301A Heat Pump — B1225020

Name: OEM Goodman Wiring Harness for ASH130301A Heat Pump — B1225020
Brand: Goodman
SKU: GOODMAN-B1225020
Price: 9.95 USD
Availability: InStock

SKU: GOODMAN-B1225020 Brand: Goodman

$9.95 $12.95

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Goodman B1225020 Wiring Harness

The Goodman B1225020 is a genuine OEM wiring harness engineered as a direct-fit replacement for the Goodman ASH130301A 13 SEER heat pump condensing unit. This factory harness carries the correct connectors, terminal blocks, and wire gauge to interconnect the compressor, contactor, reversing valve solenoid, and control board exactly as the unit was built at the factory — no splicing or guesswork required.

Damaged, brittle, or heat-cracked harness insulation is a common cause of intermittent no-cool/no-heat faults and nuisance breaker trips. Replacing the harness with the correct OEM part restores clean, reliable connections and eliminates the safety risk of exposed or shorting conductors.

Specifications

OEM Part Number: B1225020
Brand: Goodman (also fits many Amana-branded equivalents)
Fits Model: ASH130301A heat pump
Type: Pre-terminated condensing-unit wiring harness
Condition: New, genuine OEM

OEM vs. Generic

The genuine Goodman B1225020 uses the exact connector bodies and pin-outs of the original harness, so it plugs in without modification. Generic or universal harnesses often require cutting, crimping, and re-pinning — introducing failure points and voiding many system warranties. For a plug-and-play repair, the OEM harness is the reliable choice.

Installation Difficulty

Moderate — Requires disconnecting power at the breaker and basic familiarity with low-voltage and line-voltage terminals. Photograph connections before removal. If you are not comfortable working around the compressor and contactor, we recommend 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 A...

$9.95

Frequently Asked Questions

Does this Wiring Harness fit my Goodman ASH130301A Heat Pump — B1225020?

Yes. This is the factory-specified OEM wiring harness for the Goodman ASH130301A Heat Pump — 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 ASH130301A Heat Pump — 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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