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Engine Wiring Harness, V8 396 c.i., HEI, With Warning Lights & TH400 Automatic Transmission (1970 Nova)

Item EK-85-294649-1
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$299.99

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      Product Information

      Features, Description, Reviews, 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 and follows original routing in the engine compartment
      • A combination of the engine and front light harness accomplishes most functions under the hood of an early GM vehicle
      • This harness is modified for a 12-volt HEI ignition
      • The original resistor wire is replaced with a standard 12-volt feed
      • Includes a connector for a GM large cap distributor
      • If not using a GM large cap HEI distributor, the connector end may need replacement to connect to your system
      • Some Pontiacs had resistance wiring installed in the dash harness and may not be available as HEI part numbers
      • Engine harness design varied significantly year to year
      • Most harnesses contain wiring for ignition system, starter, heater blower, temperature, and oil pressure sender wires
      • Some vehicles used a capillary tube for oil pressure reading; these are not included in the harness
      • Consult factory service manual or sales team to confirm circuits and part numbers
      • Fits 1970 Nova V8 396 CI with TH400 automatic transmission and warning lights with HEI distributor

      Description

      Engine Harness Overview. The engine wiring harness for a V8 396 with HEI, warning lights, and TH400 automatic transmission for 1970 is designed to deliver factory-accurate electrical connectivity for the 1970 Chevrolet Nova equipped with a 396 cubic inch V8 engine, TH400 automatic transmission, and warning lights. This harness facilitates ignition, starter, heater blower, and sensor wire connections, ensuring reliable operation with a 12-volt HEI ignition setup. It is essential for restoring or upgrading early GM vehicles to factory specifications while accommodating modern HEI distributors.

      Construction and Appearance. Manufactured to original General Motors specifications, this engine harness is fully assembled and taped for durability and neat installation. It features high-quality wiring materials and connectors, including a specially modified feed replacing the original resistor wire with a standard 12-volt supply, and includes a connector designed for GM large cap distributors. The harness maintains the original routing and factory firewall plug-in location for an authentic appearance.

      Installation. Installation is straightforward with the harness ready to bolt into the factory firewall position and follow the original engine compartment routing. No drilling or modifications are typically required, though connector ends may need replacement if not using a GM large cap HEI distributor.

      Application. Specifically designed to fit the 1970 Chevrolet Nova with a 396 CI V8 engine, TH400 automatic transmission, and warning lights, modified for use with a 12-volt HEI ignition distribution system.

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      Customer Reviews (1)

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