American Autowire - 1962 Engine Wire Harness-GM Truck - 38075H
$161.50
DESCRIPTION
American Autowire - 1962 Engine Wire Harness-GM Truck - 38075H
Restore your classic Chevy truck's engine wiring while upgrading to electronic ignition with this 1962 Chevrolet V8 Engine Wiring Harness from American Autowire.
Designed specifically for 1962 Chevrolet pickups equipped with a V8 engine and factory gauges, this Factory Fit replacement harness is modified for use with a GM large-cap HEI (High Energy Ignition) distributor.
Unlike an original points-ignition wiring harness, this HEI-compatible version replaces the factory resistance wire with a standard 12-volt ignition feed and includes a connector designed for a GM large-cap HEI distributor.
American Autowire manufactures its Factory Fit engine harnesses according to original General Motors specifications. Each harness arrives fully assembled and taped, connects at the original firewall location, and follows factory-style routing through the engine compartment.
Whether you're restoring a 1962 Chevy C10, replacing deteriorated engine wiring, or upgrading your classic V8 truck to HEI ignition, this harness provides an original-style replacement designed for your truck's electrical configuration.
Manufacturer: American Autowire
Manufacturer Part Number: 38075H
Product Type: Engine Wiring Harness
Product Line: Factory Fit
Vehicle Year: 1962
Vehicle Application: Chevrolet Pickup Trucks
Engine Application: V8
Instrumentation: Factory Gauges
Ignition Configuration: HEI Electronic Ignition
Ignition Feed: Standard 12-Volt Feed
Distributor Connector: GM Large-Cap HEI
Quantity: Sold Individually
Features
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Designed specifically for 1962 Chevrolet pickup trucks
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Intended for V8 engine applications
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Compatible with factory-gauge instrumentation
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Modified for HEI electronic ignition
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Replaces the original ignition resistance wire with a standard 12-volt feed
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Includes a connector for a GM large-cap HEI distributor
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Manufactured by American Autowire
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Part of the Factory Fit original reproduction wiring line
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Manufactured according to original GM specifications
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Fully assembled and taped for installation
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Connects at the original firewall harness location
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Follows original-style routing through the engine compartment
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Helps replace deteriorated or previously modified engine wiring
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Ideal for classic Chevy truck restorations and HEI ignition conversions
Vehicle Fitment
1962 Chevrolet C-Series – 2WD Trucks
Potential applications include:
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1962 Chevrolet C10
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1962 Chevrolet C20
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1962 Chevrolet C30
1962 Chevrolet K-Series – 4WD Trucks
Potential applications include:
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1962 Chevrolet K10
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1962 Chevrolet K20
Required Vehicle Configuration
This harness is designed for trucks equipped with:
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1962 Chevrolet truck electrical configuration
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V8 engine
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Factory-gauge instrumentation
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GM large-cap HEI distributor
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Compatible original-style firewall wiring connections
Important: American Autowire lists part 38075H for 1962 Chevrolet truck V8 applications with factory gauges and HEI ignition. Verify compatibility with your specific truck model, engine, instrumentation, and distributor before ordering.
Designed for HEI Electronic Ignition
One of the most important features of American Autowire part 38075H is its modified ignition wiring.
What Is HEI Ignition?
HEI stands for High Energy Ignition.
GM developed HEI electronic ignition as an alternative to traditional breaker-point ignition systems.
HEI distributors are a popular upgrade for classic Chevrolet V8 engines because they eliminate the periodic adjustment and replacement of conventional ignition points.
Standard 12-Volt Ignition Feed
Original points-ignition systems commonly use resistance in the ignition feed circuit to reduce voltage at the ignition coil during normal operation.
A typical GM HEI distributor requires a suitable 12-volt ignition power supply.
American Autowire modifies this harness by replacing the original resistance wire with a standard 12-volt feed.
This allows the harness to accommodate the electrical requirements of a compatible HEI distributor.
GM Large-Cap HEI Connector Included
Part 38075H includes a connector designed for a GM large-cap HEI distributor.
This is an important distinction for customers converting from a factory points distributor to a traditional GM-style HEI system.
What If I Have an Aftermarket Distributor?
American Autowire notes that if you're using a distributor other than a GM large-cap HEI unit, the connector may need to be replaced to accommodate your ignition system.
Always verify your distributor's electrical requirements and connector configuration before installation.
Designed for Factory Gauge Instrumentation
American Autowire offers different engine wiring harnesses depending on the truck's original instrumentation.
Factory Gauges
Part 38075H is specifically designed for 1962 Chevrolet pickups equipped with factory gauges.
Trucks equipped with factory warning lights require a different engine wiring harness.
Why Does Instrumentation Matter?
Factory gauges and warning lights can use different electrical connections and sending-unit arrangements.
Choosing the correct harness helps maintain compatibility with your truck's existing instrumentation.
If your truck has been converted from warning lights to gauges, verify its current electrical configuration before ordering.
Original-Style Factory Fit Construction
Manufactured to Original GM Specifications
American Autowire's Factory Fit harnesses are manufactured according to original General Motors specifications.
This helps maintain the original-style wiring layout of your classic truck while accommodating the specified HEI ignition modification.
Fully Assembled and Taped
Each harness arrives fully assembled and taped.
This eliminates the need to construct an engine wiring harness from individual wires and terminals.
Original Firewall Connection
The harness is designed to connect at the original firewall location.
Factory-Style Engine Compartment Routing
The harness follows original-style routing through the engine compartment.
This is particularly beneficial for restorations where maintaining a clean, factory-style appearance is important.
What Does an Engine Wiring Harness Connect?
American Autowire explains that engine harness circuits vary by model year and application.
Depending on the vehicle, an engine harness may contain wiring associated with:
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Ignition system
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Starter
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Heater blower
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Engine temperature sending unit
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Oil pressure sending unit
Important: Not every circuit is included in every harness. Consult your factory service manual or American Autowire to confirm the exact connections provided with part 38075H.
Why Replace Your 1962 Chevy Truck's Engine Wiring Harness?
Replace Aging Factory Wiring
After decades of exposure to engine heat, vibration, moisture, and contaminants, original wiring insulation can become brittle or cracked.
Electrical terminals and connectors can also deteriorate over time.
Replacing an aging harness provides an alternative to repairing multiple damaged wires individually.
Accommodate an HEI Ignition Conversion
If you're converting your 1962 Chevy V8 truck from points ignition to HEI, this modified harness provides the appropriate 12-volt ignition feed and GM large-cap distributor connector.
Restore Engine Electrical Connections
A replacement engine harness helps address electrical problems caused by damaged wiring, corroded connections, or previous modifications.
Maintain an Original-Style Appearance
American Autowire's Factory Fit harnesses are designed for classic vehicle restorations where factory-style wiring connections and routing are important.
Important Fitment & Installation Information
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Designed for 1962 Chevrolet truck applications only.
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Requires a V8 engine configuration.
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Designed for factory-gauge instrumentation.
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Modified for HEI electronic ignition.
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Includes a standard 12-volt ignition feed instead of the original resistance wire.
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Includes a connector for a GM large-cap HEI distributor.
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Other distributor styles may require connector modifications.
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Trucks retaining original points ignition should use the appropriate non-HEI harness.
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Trucks equipped with factory warning lights require a different harness.
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Six-cylinder applications require a different harness.
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Verify compatibility if your truck has an aftermarket engine or ignition system.
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Inspect related grounds, terminals, and electrical connections during installation.
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This is an engine wiring harness, not a complete vehicle wiring kit.
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Front lighting, dash, and rear lighting harnesses are separate components.
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Consult your factory service manual and distributor manufacturer's installation instructions.
Frequently Asked Questions
Will this engine wiring harness fit my 1962 Chevy C10?
Yes, provided your 1962 Chevrolet C10 has a compatible V8 engine, factory gauges, and a GM large-cap HEI distributor.
Does this harness fit a 1963 Chevy C10?
No. American Autowire lists part 38075H specifically for 1962 Chevrolet trucks.
For a 1963 truck, select a harness designed for its model year and electrical configuration.
Will this fit a 1962 Chevy K10 4x4?
American Autowire lists this harness for 1962 Chevrolet trucks. Verify your K10's original wiring connections, instrumentation, and ignition configuration before ordering.
What is the difference between American Autowire 38075 and 38075H?
Both harnesses are intended for corresponding 1962 Chevrolet V8 truck applications with factory gauges.
The primary difference is the ignition configuration:
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38075: Original-style points ignition
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38075H: Modified for HEI electronic ignition
What does the H mean in part number 38075H?
The H identifies the HEI-compatible version of the engine wiring harness.
Does this harness provide a full 12 volts to the HEI distributor?
American Autowire confirms that the original resistance wire is replaced with a standard 12-volt ignition feed.
Actual operating voltage depends on the vehicle's electrical system and operating conditions.
Does this harness include the HEI distributor connector?
Yes. The harness includes a connector designed for a GM large-cap HEI distributor.
Can I use this harness with an aftermarket HEI distributor?
Possibly. American Autowire notes that distributors other than GM large-cap HEI units may require a different connector.
Verify compatibility with your specific distributor before ordering.
Will this harness work with my original points distributor?
This harness is modified for HEI ignition.
If your truck retains its original points distributor, use the appropriate original-style engine harness.
Is this harness designed for factory warning lights?
No. Part 38075H is designed for factory-gauge instrumentation.
Will this harness work with a six-cylinder engine?
No. This harness is intended for V8 engine applications.
Does this harness include an HEI distributor?
No. This product is an engine wiring harness. The distributor is sold separately.
Does this replace the entire truck wiring system?
No. This product replaces the engine wiring harness. Other vehicle wiring harnesses are separate components.
Restore Your 1962 Chevy Truck's Engine Wiring
Whether you're restoring a classic C10, replacing deteriorated engine wiring, or converting your V8 engine to HEI electronic ignition, the American Autowire 38075H Engine Wiring Harness provides an original-style replacement designed for your truck's electrical configuration.
Find the wiring harnesses, electrical components, and restoration parts you need at Tuckers Classic Auto Parts.
Helping Keep Classic Trucks on the Road Since 1993.