Advance Truck Parts USA W094297 2-pin jumper wiring harness showing the grey square connector, red and black wiring, printed protective sleeve, and round connector with a green weather seal on a plain white background

Advance Truck Parts USA branded infographic showcasing the features of the jumper harness including Made in USA, Plug and Play, OEM Quality, Premium Protective Tube, and 100 percent tested guarantees

Advance Truck Parts USA branded studio close-up perspective highlighting the round 2-pin connector with a green weather-resistant seal and mounting clip on the heavy-duty jumper harness

Advance Truck Parts USA branded studio close-up perspective showing the interior pins of the grey square 2-pin factory-style connector on the Freightliner replacement jumper harness

Freightliner A66-23214-000 Jumper Wiring Harness

Name: Freightliner A66-23214-000 Jumper Wiring Harness
Brand: Advance Truck Parts USA
SKU: W094297
Price: 34.95 USD
Availability: InStock

Advance Truck Parts USA

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Description

ATP A66-23214-000 Jumper Wiring Harness for Freightliner (2-Pin) - Made in USA

Restore reliable electrical performance in your heavy-duty truck with the Advance Truck Parts A66-23214-000 Jumper Harness. Built to high OEM specifications in the USA, this 2-pin harness provides a secure, weatherproof connection between critical chassis and engine components without the need for splicing or custom wiring.

Key Features & Specifications:

Direct OEM Replacement: Direct replacement for Freightliner part numbers A66-23214-000 and old part number 12-26770-000.
Made in the USA: Built with high-strand copper wiring and heavy-duty insulation for maximum conductivity and flexibility.
Weather-Resistant Seal: Sealed 2-pin connectors protect against moisture, road grime, heat, and severe chassis vibration.
Plug-and-Play Installation: Factory-style connectors eliminate costly downtime, rigging, and wire splicing.

Product Details:

ATP SKU: W094297
Primary Part Number: A66-23214-000
Connector Type: 2-Pin to 2-Pin
Fitment: Freightliner Commercial Heavy-Duty Trucks
Condition: Brand New
Origin: Made in USA

Cross Reference & Interchangeable Part Numbers:

This jumper harness directly replaces, cross-references, or supersedes the following part numbers:

Freightliner / Alliance: A66-23214-000, A6623214000, A66 23214 000
Old / Superseded Freightliner Part #: 12-26770-000, 1226770000, 12 26770 000
ATP Part #: W094297, ATP-A66-23214-000

Shipping information

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Monday – Friday: Order by 5:30 PM ET
Saturday: Order by 11:30 AM ET

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Location: Sunrise, Florida
Ready Time: Free 1-hour warehouse pickup for in-stock items.

Overnight & Weekend Delivery

Standard Overnight: Delivered on the next business day (Monday – Friday).
Friday Overnight Orders: Delivered on Monday by default.
Saturday Delivery: If you need your order delivered on Saturday, you must select a specific "Saturday Delivery" option at checkout (subject to carrier availability).

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Next-Business-Day Delivery: Next-business-day delivery is available on many items when an overnight shipping option is selected before our daily shipping cutoff. Saturday delivery must be selected separately when available.