American Autowire - 1968 Forward Lamp Wire Harness-GM Truck - 22490PI

DESCRIPTION

American Autowire - 1968 Forward Lamp Wire Harness-GM Truck - 22490PI

Restore your classic Chevy truck's front lighting wiring while upgrading its charging system with this 1968 Chevy Truck Front Light Wiring Harness from American Autowire.

Designed specifically for 1968 Chevrolet pickups equipped with factory warning lights and without side marker lights, this Factory Fit replacement harness accommodates a passenger-side mounted GM SI-series internally regulated alternator.

Whether you're restoring a 1968 Chevy C10, replacing deteriorated wiring on a C20, or converting your classic truck to an internally regulated alternator, choosing the correct harness helps maintain compatibility with your truck's electrical system.

American Autowire's Factory Fit wiring products are designed for original-style restorations, providing replacement wiring that follows the factory electrical configuration while accommodating the specified alternator conversion.

Manufacturer: American Autowire
Manufacturer Part Number: 22490PI
Product Type: Front Light Wiring Harness
Product Line: Factory Fit
Vehicle Year: 1968
Vehicle Application: Chevrolet Pickup Trucks
Instrumentation: Factory Warning Lights
Side Marker Configuration: Without Side Marker Lights
Alternator Type: GM SI-Series Internally Regulated
Alternator Location: Passenger Side
Alternator Application: 1985 and Earlier GM SI-Series
Quantity: Sold Individually

Features

• Designed specifically for 1968 Chevrolet pickup trucks

• Compatible with factory warning-light instrumentation

• Designed for trucks without side marker lights

• Modified for a passenger-side mounted internally regulated alternator

• Intended for compatible 1985-and-earlier GM SI-series alternators

• Supports conversion from an externally regulated charging system

• Manufactured by American Autowire

• Part of the Factory Fit replacement wiring line

• Designed for original-style electrical restorations

• Helps replace aging, brittle, damaged, or previously modified wiring

• Ideal for classic Chevy truck restorations and alternator upgrades

Vehicle Fitment

1968 Chevrolet C-Series – 2WD Trucks

Potential applications include:

• 1968 Chevrolet C10

• 1968 Chevrolet C20

• 1968 Chevrolet C30

1968 Chevrolet K-Series – 4WD Trucks

Potential applications include:

• 1968 Chevrolet K10

• 1968 Chevrolet K20

Required Vehicle Configuration

This harness is designed for:

• 1968 Chevrolet pickup trucks

• Factory warning-light instrumentation

• Trucks without side marker lights

• Passenger-side mounted alternators

• Compatible 1985-and-earlier GM SI-series internally regulated alternators

Important: American Autowire identifies this harness for 1968 Chevrolet pickups. Verify compatibility with your specific truck model, factory connections, instrumentation, and alternator before ordering.

Designed for Passenger-Side Internally Regulated Alternators

Passenger-Side Alternator Mounting

American Autowire part 22490PI is specifically modified for a compatible GM SI-series internally regulated alternator mounted on the passenger side of the engine compartment.

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

Internally Regulated Alternator Conversion

Original 1968 Chevrolet pickups commonly used alternators with external voltage regulators.

When converting to a compatible internally regulated alternator, the charging system wiring requirements change.

Part 22490PI is designed for this conversion rather than the original externally regulated alternator configuration.

GM SI-Series Compatibility

American Autowire specifies this harness for 1985-and-earlier GM SI-series internally regulated alternators.

Before ordering, confirm your alternator's regulator type, connector arrangement, and mounting location.

Designed for Factory Warning-Light Instrumentation

Factory Warning Lights vs. Factory Gauges

American Autowire offers separate front light wiring harnesses for trucks equipped with factory warning lights and trucks equipped with factory gauges.

Part 22490PI is designed for factory warning-light instrumentation.

If your 1968 Chevrolet pickup has factory gauges, a different harness is required.

Why Instrumentation Matters

Factory gauges and warning lights have different electrical requirements.

Choosing the correct harness helps maintain compatibility with the original electrical system.

If your truck has undergone an instrument-cluster conversion, verify its existing wiring before ordering.

Designed for Trucks Without Side Marker Lights

Part 22490PI is specifically listed for 1968 Chevrolet pickups without side marker lights.

This is an important distinction because different harness configurations may be needed for trucks equipped with side marker lamps.

If your truck has added side marker lights or other lighting modifications, confirm its wiring requirements before ordering.

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

Replace Aging Electrical Wiring

After decades of use, original wiring may suffer from cracked insulation, corrosion, damaged connectors, and previous repairs.

Replacing a deteriorated harness can eliminate the need to repair numerous individual wires.

Restore Front Lighting Connections

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

Depending on the application, these systems may include headlights, parking lights, front turn signals, and related electrical connections.

Confirm the exact circuits included in part 22490PI against your original harness and the manufacturer's specifications.

Maintain an Original-Style Wiring Layout

American Autowire's Factory Fit product line is designed for classic vehicle restorations where original-style electrical connections and routing are important.

Accommodate an Alternator Upgrade

This harness is specifically modified for a compatible passenger-side internally regulated alternator, making it a useful option when updating the original charging system.

Important Fitment & Installation Information

• Designed for 1968 Chevrolet pickups only.

• Requires factory warning-light instrumentation.

• Specifically listed for trucks without side marker lights.

• Designed for a passenger-side mounted internally regulated alternator.

• Intended for compatible 1985-and-earlier GM SI-series alternators.

• Not intended for the original externally regulated alternator configuration.

• Driver-side alternator installations require a different harness.

• Factory-gauge applications require a different harness.

• Verify the original firewall connections before ordering.

• Aftermarket electrical modifications may require additional installation work.

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

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

Frequently Asked Questions

Will this front light wiring harness fit my 1968 Chevy C10?

Yes, provided your 1968 Chevrolet C10 has factory warning lights, no side marker lights, and a compatible passenger-side mounted GM SI-series internally regulated alternator.

Does this harness fit a 1969 Chevy C10?

No. American Autowire lists part 22490PI specifically for 1968 Chevrolet pickups.

For a 1969 truck, select a harness designed for its model year and electrical configuration.

Will this fit a 1968 Chevy K10 4x4?

American Autowire identifies this harness for 1968 Chevrolet pickups. Verify your K10's specific wiring connections, instrumentation, and alternator configuration before ordering.

What does PI mean in American Autowire part 22490PI?

PI identifies the passenger-side internally regulated alternator version.

What is the difference between 22490, 22490DI, and 22490PI?

These harnesses are designed for 1968 Chevrolet pickups with factory warning lights and without side marker lights.

The primary difference is the alternator configuration:

• 22490: Original externally regulated alternator

• 22490DI: Driver-side internally regulated alternator

• 22490PI: Passenger-side internally regulated alternator

What is the difference between 22490PI and 22500PI?

Both are passenger-side internally regulated alternator harnesses for Chevrolet pickups without side marker lights.

However, they are designed for different instrumentation and model-year applications:

• 22490PI: 1968 Chevrolet pickup with factory warning lights

• 22500PI: 1968–1969 Chevrolet pickup with factory gauges

Will this harness work with my original external voltage regulator?

No. This harness is designed for a compatible internally regulated alternator conversion.

If your truck retains its original externally regulated alternator, use the appropriate original-configuration harness.

Does this harness include side marker light wiring?

This harness is designed for trucks without side marker lights.

Is this harness designed for factory gauges?

No. Part 22490PI is designed for trucks equipped with factory warning lights.

Will this fit a 1968 GMC pickup?

American Autowire identifies this part number for Chevrolet pickups. GMC compatibility has not been confirmed.

Does this replace the entire truck wiring system?

No. This product replaces the front light wiring harness. Other vehicle wiring harnesses are sold separately.

Restore Your 1968 Chevy Truck's Electrical System

Whether you're restoring a classic C10, replacing deteriorated front lighting wiring, or converting to a passenger-side internally regulated alternator, the American Autowire 22490PI Front Light Wiring Harness provides a replacement designed for your 1968 Chevrolet pickup'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.