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Engine Harness, 6 Cylinder-292ci-HD (1977 Blazer; 1977 C10; 1977 K10)

Item EK-61-395473-1
4 Reviews of similar
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$479.99

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      Product Information

      Features, Description, Q&A

      Features

      • Factory-fit engine harnesses are manufactured according to original General Motors specifications.
      • Each part number is fully assembled, taped, and ready to install upon arrival.
      • This harness plugs into the firewall in the factory location.
      • Follows original routing in the engine compartment.
      • A combination of the engine and front light harness accomplishes most functions under the hood of early GM vehicles.
      • Engine harness design varies significantly from year to year.
      • Most contain wiring for the ignition system, starter, heater blower, and temperature/oil pressure sender wires if applicable.
      • Some vehicles use a capillary tube to provide an oil pressure reading; these will not be included in the wiring harness.
      • On vehicles with ignition points, the circuit feeding the ignition coil is designed with some resistance to extend the life of the ignition point set.
      • Modern electronic ignition systems or High Energy Ignition (HEI) systems do not require resistance in the circuit.
      • It is recommended to order a harness modified for HEI if the ignition system has been upgraded.
      • These harnesses are available in the catalog and feature unique part numbers.
      • Consult factory service manual or sales team to confirm part numbers.
      • Engine harness for Chevrolet truck 1977 includes 6-cylinder, 292 C.I. with HD chassis and two-place oil pressure switch connection for electric choke.
      • Fits 1977 Blazer; 1977 C10; 1977 K10.

      Description

      Engine Harness Overview. The 77TRK Enghrns-6 cyl-292-HD is a factory-fit engine wiring harness designed to meet original General Motors specifications. It connects critical engine components such as ignition, starter, and heater blower circuits, ensuring reliable engine operation and proper function in early GM trucks. This harness routes through the firewall and engine compartment in factory locations, maintaining authenticity and ease of installation.

      Construction and Appearance. This harness is fully assembled and taped, made with high-quality materials to meet OEM standards. The design follows original GM wiring patterns for proper fitment and identification. It features robust insulation and connectors built to withstand the engine environment, ensuring long-term durability and performance.

      Installation. Installation is straightforward as the harness plugs directly into the factory firewall location and follows original routing paths. No drilling or modifications are required, making it a convenient upgrade or restoration component for compatible vehicles.

      Application. Specifically made to fit 1977 Chevrolet trucks including Blazer, C10, and K10 models, equipped with a 6-cylinder 292 cubic inch engine and heavy-duty chassis. This harness includes a two-place oil pressure switch connection designed for vehicles with an electric choke system.

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      4.8

      Reviews of similar Classic Electrical Products (4)

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