NewYall Ignition Lock Cylinder Starter Switch Assembly 1116683 — Dash‑Mount for Classic Chevy & GMC Direct Replacement

NewYall Ignition Lock Cylinder Starter Switch Assembly 1116683 is a direct-replacement ignition switch built to restore key-on, off and start functions for a wide range of classic Chevrolet and GMC trucks and vans.

Whether you are restoring a vintage C10 pickup, rebuilding a Blazer, or keeping a fleet of older GMC vans roadworthy, this NewYall assembly offers a straightforward swap for worn or damaged ignition cylinders. The unit is manufactured to match original dash-mount dimensions and switch connections so installers can replace the faulty part without major dash modification. Below are common buyer questions answered clearly to help you confirm fitment, installation needs and what to expect from this part.

Which vehicle models and years will this ignition switch assembly fit?

This replacement is specified for many Chevrolet and GMC light trucks, vans and medium-duty models from the late 1960s through the early 1990s. Fitment covers multiple series (C/K/P/G/P) and includes both pickups, Suburbans, and full-size vans used across these model years.

• Chevrolet: B60, Blazer, C10/C20/C30 pickups and Suburban, K10/K20/K30, G10/G20/G30 vans, P10/P20/P30 series (selected years listed).
• GMC: B6000, C15–C7000 series, K15–K3500 pickups/Suburbans, G and P series vans and P1500–P3500 models across the shown decades.
• Exact year ranges vary by model—verify against your vehicle's production year before ordering.

How difficult is installation and what will I need?

Installation is typically a moderate DIY task for anyone comfortable removing dash trim and electrical connectors. The NewYall unit is designed to use existing mounting points and wiring harness plugs, reducing the need for splicing or fabrication.

• Basic hand tools (screwdrivers, socket set) and a trim removal tool recommended.
• Disconnect the battery before starting to avoid shorts and protect the vehicle's electronics.
• Match the original connector orientation and secure the lock cylinder to the dash bracket as OEM.
• If wiring differs, consult a wiring diagram or professional to avoid incorrect connections.

What are the part's build and performance characteristics?

The assembly reproduces the dash-mounted ignition cylinder and starter switch functions found in original equipment for the listed vehicles. It provides the mechanical key action for off/accessory/on/start positions and the electrical switching needed to energize starter and ignition circuits.

• Dash-mount cylinder profile compatible with original mounting and bezel locations.
• Integrated electrical switch for starter and ignition circuits—designed to match OEM contact layout.
• Built for restoration and maintenance of older vehicles, not modern immobilizer or electronic key systems.

Will this replace a worn or damaged ignition cylinder without rekeying the vehicle?

Yes, it serves as a physical replacement for worn or damaged cylinders, but it depends on whether you need the new cylinder to match existing keys. Many buyers use it as a like-for-like swap and keep their original key if the tumblers match.

• If your replacement must use the vehicle's original key, test fit before final installation or consult a locksmith for rekeying.
• For vehicles with separate anti-theft modules (rare in these older models), confirm compatibility before purchase.

Who is this for: This NewYall 1116683 ignition lock cylinder starter switch assembly is aimed at classic truck and van owners, restoration shops, and mechanics maintaining Chevrolet and GMC models built between the late 1960s and early 1990s. It is particularly useful for restorations, replacing a worn dash cylinder, or preparing a vehicle for reliable start-up after years of storage. If you need an OEM-style dash-mounted ignition cylinder and starter switch that fits the listed model years, this is a practical replacement option. Always confirm fitment against your vehicle's year, make and model before purchase to ensure plug-and-play installation.