American Autowire - 1968-1969 Forward Lamp Wire Harness-Chevy Truck - 22220DI

Product ID: 6140
Part #: 22220DI

Questions? Call us at 800-544-1955

Sale price

$316.35

Regular price $333.00

DESCRIPTION

American Autowire - 1968-1969 Forward Lamp Wire Harness-Chevy Truck - 22220DI

Restore your classic Chevrolet truck's front lighting system while upgrading to an internally regulated alternator with this 1969–1972 Chevy Truck Front Light Wiring Harness from American Autowire.

Designed for 1969–1972 Chevrolet pickups equipped with factory gauges and side marker lamps, this Factory Fit wiring harness provides an original-style replacement for aging or damaged wiring while accommodating a driver-side mounted GM SI-series internally regulated alternator.

Unlike a harness designed for the original externally regulated charging system, this modified version is configured for a compatible internally regulated alternator conversion. It's an excellent option for classic Chevy truck owners who want to replace deteriorated wiring while updating their charging system.

American Autowire's Factory Fit wiring products are designed to maintain original-style electrical connections and routing, making them a popular choice for classic truck restorations.

Whether you're restoring a 1969 Chevy C10, rebuilding a 1970 C20, or upgrading the electrical system on your 1972 Chevrolet pickup, selecting the correct harness is essential for maintaining compatibility with your truck's instrumentation, lighting, and alternator configuration.

Manufacturer: American Autowire
Manufacturer Part Number: 22220DI
Product Type: Front Light Wiring Harness
Product Line: Factory Fit
Vehicle Years: 1969–1972
Vehicle Application: Chevrolet Pickup Trucks
Instrumentation: Factory Gauges
Side Marker Configuration: With Side Marker Lamps
Alternator Type: GM SI-Series Internally Regulated
Alternator Location: Driver Side
External Voltage Regulator Wiring: Not Included
Quantity: Sold Individually

Features

  • Designed for 1969–1972 Chevrolet pickup trucks

  • Specifically configured for factory-gauge instrumentation

  • Designed for trucks equipped with factory side marker lamps

  • Modified for a driver-side mounted internally regulated alternator

  • Intended for compatible GM SI-series alternator applications

  • Eliminates the need for original external voltage regulator wiring

  • Manufactured by American Autowire

  • Part of the Factory Fit original-style wiring line

  • Helps maintain factory-style electrical connections and routing

  • Provides a replacement for aging or damaged front lighting wiring

  • Suitable for compatible alternator conversions and classic truck restorations

  • Helps eliminate the need to fabricate an entire replacement front light harness

Vehicle Fitment

1969–1972 Chevrolet C-Series – 2WD Trucks

Compatible applications may include:

  • 1969–1972 Chevrolet C10

  • 1969–1972 Chevrolet C20

  • 1969–1972 Chevrolet C30

1969–1972 Chevrolet K-Series – 4WD Trucks

Compatible applications may include:

  • 1969–1972 Chevrolet K10

  • 1969–1972 Chevrolet K20

Required Vehicle Configuration

This harness is designed for trucks equipped with:

  • Factory-gauge instrumentation

  • Factory side marker lamps

  • Driver-side mounted alternator

  • Compatible GM SI-series internally regulated alternator

  • Compatible original-style firewall electrical connections

Important: American Autowire identifies this harness for 1969–1972 Chevrolet pickups. Verify compatibility with your specific truck series, instrumentation, side marker configuration, and alternator before ordering.

Designed for Driver-Side Internally Regulated Alternators

One of the most important features of American Autowire part 22220DI is its modified charging system configuration.

Driver-Side Alternator Mounting

This harness is designed for trucks using a compatible GM SI-series internally regulated alternator mounted on the driver side of the engine compartment.

Trucks equipped with passenger-side mounted alternators require a different harness configuration.

Internally Regulated Alternator Conversion

Original 1969–1972 Chevrolet pickups commonly used externally regulated alternators.

When converting to a compatible internally regulated alternator, the original external voltage regulator wiring is no longer required.

American Autowire part 22220DI is configured for this type of charging system conversion.

This harness does not include the original external voltage regulator wiring.

GM SI-Series Alternator Compatibility

This harness is intended for compatible GM SI-series internally regulated alternators.

Always verify your alternator model, mounting location, and connector configuration before ordering.

Designed for Factory Gauge Instrumentation

American Autowire offers different front light harnesses depending on the original instrument panel configuration.

Factory Gauges

Part 22220DI is designed for Chevrolet pickups equipped with factory gauges.

Trucks equipped with factory warning lights require a different harness.

Why Does Instrumentation Matter?

Factory gauges and warning lights use different electrical configurations.

Choosing the correct wiring harness helps maintain compatibility with the truck's existing electrical system.

If your truck has been converted from warning lights to gauges, verify the current wiring configuration before ordering.

Designed for Trucks With Factory Side Marker Lamps

American Autowire part 22220DI is intended for Chevrolet pickups equipped with factory side marker lights.

The side marker configuration is an important consideration when selecting a replacement front light wiring harness.

Trucks without side marker lamps may require a different harness.

If your truck has undergone body modifications, lighting conversions, or other electrical changes, confirm the existing wiring configuration before ordering.

Why Replace Your Chevy Truck's Front Light Wiring Harness?

After more than five decades, original wiring can develop electrical problems caused by deteriorated insulation, corrosion, vibration, and previous repairs.

Replace Aging Factory Wiring

Original wiring insulation may become brittle or cracked, while electrical terminals and connectors can deteriorate over time.

Replacing the harness provides an alternative to repairing numerous damaged wires individually.

Restore Front Lighting Connections

A replacement front light wiring harness helps restore the electrical connections associated with your truck's front lighting system.

Depending on the original vehicle configuration, front light harnesses may support circuits associated with:

  • Headlights

  • Parking Lights

  • Front Turn Signals

  • Side Marker Lights

  • Horn and Horn Relay

  • Charging System Connections

Exact circuit and connector coverage should be verified against the manufacturer's specifications.

Maintain Original-Style Wiring

American Autowire's Factory Fit products are designed for classic vehicle restorations where maintaining original-style electrical connections is important.

Accommodate an Alternator Upgrade

This modified harness is configured for a compatible driver-side internally regulated alternator conversion.

Ideal for Classic Chevy Truck Restorations

Whether you're restoring a C10, rebuilding a K10 4x4, or repairing damaged wiring, selecting the correct harness is an important part of restoring your truck's electrical system.

Important Fitment & Installation Information

  • Designed for 1969–1972 Chevrolet pickup trucks.

  • Requires factory-gauge instrumentation.

  • Designed for trucks equipped with factory side marker lamps.

  • Requires a driver-side mounted alternator.

  • Intended for compatible GM SI-series internally regulated alternators.

  • Does not include original external voltage regulator wiring.

  • Trucks retaining the original external voltage regulator require a different harness.

  • Passenger-side alternator installations require a different harness.

  • Trucks equipped with factory warning lights require a different harness.

  • Verify the original firewall connections and existing wiring configuration before ordering.

  • Trucks with aftermarket electrical modifications may require additional installation work.

  • This product is a front light wiring harness, not a complete vehicle wiring kit.

  • Consult your factory service manual and alternator manufacturer's installation instructions.

Frequently Asked Questions

Will this front light wiring harness fit my 1969 Chevy C10?

Yes, provided your 1969 Chevrolet C10 has factory gauges, side marker lamps, and a compatible driver-side mounted internally regulated alternator.

Does this harness fit a 1972 Chevy C10?

Yes. American Autowire lists this harness for 1969–1972 Chevrolet pickups with the specified electrical configuration.

Will this work on a Chevy K10 4x4?

The manufacturer's application covers Chevrolet pickups from 1969–1972. Verify your K10's instrumentation, side marker configuration, and alternator location before ordering.

What does DI mean in American Autowire part 22220DI?

DI identifies the driver-side internally regulated alternator configuration.

What is the difference between 22220, 22220DI, and 22220PI?

These harnesses are designed for corresponding 1969–1972 Chevrolet pickup applications equipped with factory gauges and side marker lamps.

The primary difference is the alternator configuration:

  • 22220: Original externally regulated alternator

  • 22220DI: Driver-side internally regulated alternator

  • 22220PI: Passenger-side internally regulated alternator

What is the difference between 22220DI and 23445DI?

Both harnesses are intended for corresponding 1969–1972 Chevrolet pickup applications with side marker lamps and driver-side internally regulated alternators.

However, they are designed for different factory instrumentation:

  • 22220DI: Factory gauges

  • 23445DI: Factory warning lights

Will this harness work with my original external voltage regulator?

No. This harness is configured for an internally regulated alternator conversion and does not include the original external voltage regulator wiring.

Can I use this harness with a one-wire alternator?

A compatible one-wire alternator may be suitable, depending on its design and the manufacturer's installation requirements.

Verify the alternator's wiring requirements before installation. Do not connect unused alternator plugs unless directed by the alternator manufacturer.

Does this harness include side marker light wiring?

This harness is designed for applications equipped with factory side marker lamps.

Does this harness come assembled?

American Autowire Factory Fit harnesses are supplied as assembled replacement wiring harnesses.

Will this fit a 1969–1972 GMC pickup?

This part number is identified for Chevrolet pickup applications. GMC compatibility has not been specifically confirmed.

Does this replace the entire truck wiring system?

No. This product replaces the front light wiring harness. Dash, engine, rear lighting, and other wiring harnesses are separate components.

Restore Your 1969–1972 Chevy Truck's Electrical System

Whether you're replacing deteriorated front lighting wiring, restoring a classic C10, or upgrading to a driver-side internally regulated alternator, the American Autowire 22220DI Front Light 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.

WHY BUY FROM TUCKERS?

We have a knowledgeable support staff here to assist you in any way we can before, during, and after your purchase! We have decades of personal experience working on Classic Chevy 3100 and C10 Trucks and we offer unlimited tech support for all verified purchases! When you call Tuckers (800) 544-1955, you’ll talk to a fellow classic vehicle enthusiast, not just another order taker!