What are the specs for this Wiring Harness?

The correct replacement for Goodman model WAHMS1931P4ACA — 0259A00002P 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 WAHMS1931P4ACA — 0259A00002P.

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 9-Pin Male Wiring Harness for WAHMS1931P4ACA — 0259A00002P

Name: OEM Goodman 9-Pin Male Wiring Harness for WAHMS1931P4ACA — 0259A00002P
Brand: Goodman
SKU: GOODMAN-2043
Price: 7.95 USD
Availability: InStock

SKU: GOODMAN-2043 Brand: Goodman

$7.95 $10.73

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014

SAM.gov Registered

Govt POs Accepted

The Goodman 0259A00002P is a genuine OEM 9-pin male wiring harness used to connect control and power circuits in Goodman air handlers such as the WAHMS1931P4ACA. A melted, corroded, or chafed connector causes intermittent operation, blower faults, and control-board communication errors — this factory harness restores reliable, keyed connections.

Specifications

OEM Part Number: 0259A00002P
Type: 9-pin male wiring harness / connector
Pins: 9 (male)
Brand: Goodman (genuine OEM)
Equipment: Air Handler
Fits: WAHMS1931P4ACA

OEM vs. Generic

The OEM harness uses the correct pin count, keying, and wire gauge to match the board and mating plug exactly. Generic harnesses risk wrong pinouts, loose terminals, and undersized wire that can overheat. With the genuine part it's a true plug-and-play swap.

Installation Difficulty

Easy to moderate. Disconnect power, unplug the old harness, note any wire routing, and seat the replacement until it clicks. Photograph the connections first. Most repairs take 15–30 minutes; involve a technician if board-level diagnosis is needed.

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 9-Pin Male Wiring Ha...

$7.95

Frequently Asked Questions

Does this Wiring Harness fit my Goodman WAHMS1931P4ACA — 0259A00002P?

Yes. This is the factory-specified OEM wiring harness for the Goodman WAHMS1931P4ACA — 0259A00002P. 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 WAHMS1931P4ACA — 0259A00002P?

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