Eckler's Catalogs Available Now!

Father’s Day Sale – Up to 40% Off! Shop Now >

Engine Wiring Harness, V8, HEI, Automatic Transmission (1971 Nova)

Item EK-85-294684-1
1 Reviews
Our Price

$319.99

Military, Medical & First Responders $16.00 Available in EK Cash Rewards.
Confirm Eligibility

Add to Cart
Save for later
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    or use

    Shop Owners Save More! Sign up for our dealer program
    Join For FREE
    Loading Indicator

      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.
      • Follows original routing in the engine compartment for authentic installation.
      • Combination of engine and front light harness accomplishes most functions under the hood.
      • Modified for use with a 12 volt HEI ignition system.
      • Replaces the original resistor wire with a standard 12 volt feed to support modern ignition components.
      • Includes connector for GM large cap distributor.
      • Connector end may need replacement if not using a GM large cap HEI distributor.
      • Some Pontiacs had resistance wiring installed in the dash harness and may not have HEI part numbers.
      • Engine harness design varied significantly from year to year.
      • Most harnesses include wiring for ignition system, starter, heater blower, and temperature/oil pressure sender wires.
      • Some vehicles used capillary tube to provide oil pressure reading, which is not included in the wiring harness.
      • Consult factory service manual to confirm the circuits required for your project.
      • Consult sales team to confirm part numbers.
      • Fits 1971 Nova V8 with automatic transmission and factory gauges, modified for use with HEI distributor.

      Description

      Engine Wiring Harness Overview. The Engine Wiring Harness, V8, HEI, Automatic Transmission, 1971, is engineered to replace the original factory harness, providing a precise fit and maintaining factory routing and connections. This wiring harness simplifies installation by arriving fully assembled and ready to install, supporting ignition system, starter, heater blower, and temperature/oil pressure sender circuits for a complete under-hood solution. It is essential for maintaining the integrity and performance of the vehicle’s electrical system while upgrading to a 12 volt HEI ignition setup.

      Construction and Appearance. This harness is made from high-quality wires that meet original General Motors specifications, fully assembled and taped for durability and ease of handling. The wiring is routed to match factory original locations, ensuring a clean, authentic installation. The harness includes a connector designed for a GM large cap HEI distributor, with modifications replacing the original resistor wire with a 12 volt feed to support modern ignition components.

      Installation. Installation is straightforward as the harness plugs into the firewall at the factory location and follows original routing under the hood. No drilling or major modifications are typically required, making it suitable for enthusiasts seeking a direct factory replacement with HEI ignition compatibility.

      Application. Specifically designed to fit the 1971 Chevrolet Nova with a V8 engine, automatic transmission, and factory gauges. This harness is modified exclusively for use with a GM large cap HEI distributor and may require connector replacement if a different distributor type is used.

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

      5.0

      Customer Reviews (1)

      Questions & Answers

      No questions about this product yet. Ask the First Question