American Autowire GM Steering Column Connector Kit (1969+) — 3-7/8" & 4-1/4" Plugs with Terminals

American Autowire 500428 is a complete OEM-style wiring connector kit built to restore or replace the wiring interfaces on 1969 and newer GM steering columns.

This kit supplies the common male and female connector assemblies used on late‑model GM steering columns, plus all required terminals so you can rebuild the column harness quickly and reliably. Whether you are repairing a classic muscle car or updating a late‑model GM column during a restoration or rebuild, this set provides the connector sizes and terminals that match factory layouts.

Which GM steering columns will this kit fit?

The kit is designed for GM steering columns produced in 1969 and later, covering a wide range of Chevrolet, GMC, Buick, Oldsmobile and Pontiac applications that share the same connector form factors. Confirm fitment by checking your column’s connector dimensions against the kit components before installation.

• Includes connectors used on many 1969+ GM steering columns
• Useful for both factory replacements and aftermarket column repairs
• Matches common GM harness connector sizes for this era

What connectors and terminals are included in the kit?

The kit contains one male and one female 3-7/8 inch connector and one male and one female 4-1/4 inch connector, plus a full set of matching terminals. All terminals are provided so you can terminate wires directly and restore the plug-to-plug connections without hunting for individual pins.

• (1) male and (1) female 3-7/8 in. connector assemblies
• (1) male and (1) female 4-1/4 in. connector assemblies
• Complete assortment of matching terminals for direct replacement

How does this kit simplify steering column repairs?

Having the exact connector sizes and terminals on hand reduces downtime and eliminates guesswork when rebuilding or repairing the column harness. Instead of modifying or reusing damaged connectors, you can install factory‑style plugs that restore mechanical and electrical integrity to the wiring junctions.

• Ready-to-assemble connectors prevent splicing mismatches and loose contacts
• Terminals sized for a secure crimp or solder connection to factory wiring
• Saves time by supplying both common connector sizes used on 1969+ GM columns

What should I prepare before installing the connectors?

Gather basic wiring tools—wire stripper, crimper or soldering iron, and dielectric grease—and verify wire colors and pin placement against your vehicle’s schematic. Label each wire if necessary, and inspect the column harness for heat or corrosion damage that should be addressed before fitting the new connectors.

• Tools: wire stripper, proper crimper or soldering equipment
• Verify pin assignments with vehicle wiring diagram or old connector layout
• Clean and treat contact surfaces for long-term reliability

Who this is for: This American Autowire 500428 kit is intended for professional technicians, automotive restorers, and DIY enthusiasts working on 1969 and newer GM steering columns who need factory-style connectors and a full set of terminals for accurate, durable repairs or restorations. If you require original connector sizes and the convenience of a complete terminal set, this kit provides the necessary parts to restore column-to-harness connections efficiently.