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Engine Harness, 305-350-400ci (1978 Blazer; 1978 C10; 1978 K10)

Item EK-61-395482-1
4 Reviews of similar
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$424.99

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      Product Information

      Features, Description, Q&A

      Features

      • Factory Fit Engine Harnesses Manufactured According To Original General Motors Specifications
      • Fully Assembled, Taped, And Ready To Install Upon Arrival
      • Plugs Into Firewall In Factory Location
      • Follows Original Routing In Engine Compartment
      • Combination Of Engine And Front Light Harness Accomplishes Most Functions Under Hood
      • Varied Design Depending On Year, Typically Contains Wiring For Ignition System, Starter, Heater Blower, Temperature, And Oil Pressure Sender Wires
      • Excludes Oil Pressure Capillary Tube Readings
      • Includes Resistance Circuit For Ignition Points To Extend Life
      • Modified Versions Available For Modern Electronic Or High Energy Ignition Systems
      • Consult Factory Service Manual Or Sales Team To Confirm Required Circuits And Part Numbers
      • Fits 1978 Blazer, C10, And K10 Models

      Description

      Engine Harness Overview. The 78TRK Enghrns- 305-350-400 is a factory fit engine wiring harness designed to meet original General Motors specifications. It provides essential electrical connections for ignition, starter, heater blower, and sensor circuits under the hood, ensuring proper electrical functionality and reliability in restored or restomod 1978 Chevrolet trucks.

      Construction and Appearance. This harness is fully assembled and taped for durability and ease of installation, designed to follow the original routing found in the engine compartment. The materials used replicate factory-grade wiring and protective insulation typical of OEM standards.

      Installation. Installation is straightforward, with the harness plugging directly into the firewall at the factory location and requiring no modifications or drilling. It is ready to install upon delivery, simplifying the wiring process.

      Application. Specifically fit for 1978 Chevrolet Blazer, C10, and K10 models with V8 305, 350, and 400 cubic inch engine configurations. This harness includes the oil pressure switch behind the distributor on the block. No fitment is indicated for other years or models.

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      4.8

      Reviews of similar Classic Electrical Products (4)

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