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The MIDLAND INDUSTRIES 39753 is a 6-way coiled electric cable assembly designed for air brake system electrical connections on commercial trailers and tractor-trailer combinations. Built with 14 AWG conductors and rated for temperatures from 55 degrees F to 150 degrees F, this assembly provides a durable, flexible link between the tractor and trailer electrical systems. The coiled design accommodates the range of motion between cab and trailer without excess slack or binding. Each end features a 12-inch straight lead for straightforward termination at the socket or plug connection point. Electrical and fleet maintenance technicians are the primary installers of this assembly.
This cable assembly is used in commercial trucking and heavy-duty trailer applications where a standardized 6-way electrical connection is required. Typical installations include tractor-trailer hookups where the assembly routes lighting, braking, and auxiliary signals between the power unit and the trailer. The operating temperature range of 55 degrees F to 150 degrees F suits it for year-round service in most North American climates. This type of assembly is a direct-replacement item for worn or damaged OEM-style 6-way coiled cables on existing air brake-equipped trailers and tractors.
Designed as an OEM-style replacement 6-way coiled electric cable assembly for commercial tractor-trailer air brake electrical systems requiring a standard 6-way connector configuration.
Installation is typically performed by commercial vehicle technicians or fleet electrical specialists. De-energize the tractor electrical system and disconnect the existing cable assembly at both the tractor and trailer connection points before removing the old cable. Verify that the replacement cable routing does not contact sharp edges, exhaust components, or moving parts. Follow applicable FMCSA and vehicle manufacturer guidelines for trailer electrical connections.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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