Dorman 645-149 Ignition Switch Connector

Dorman 645-149 Ignition Switch Connector

Dorman 645-149 is a female ignition switch connector built to match the original connector’s appearance and function on specified vehicles. It uses quality materials for dependable electrical connection and long-term durability in ignition switch repair work.

Key Features

• Female ignition switch connector with a 4-wire, 4-terminal layout
• L-shaped connector design for OE-style routing and fit
• Black connector body for applications calling for the original-style appearance
• Wire harness length: 16.34 in.
• Terminal type: spade; terminal material: plastic
• Cross-reference: Standard Ignition S-602

Detailed Description

This ignition switch connector is engineered for direct replacement use on a wide range of GM vehicles, including Chevrolet Camaro, Pontiac Firebird, Chevrolet Caprice, Chevrolet S10, GMC Sonoma, Chevrolet Astro, and related applications. Dorman 645-149 is designed for owners and technicians replacing a damaged, heat-affected, or intermittent ignition switch connector on vehicles such as the 1993-2002 Chevrolet Camaro and 1993-2002 Pontiac Firebird. The connector follows the original-style layout to help restore a secure electrical interface at the ignition switch.

Built with a female connector design, 4 wires, and 4 terminals, this part supports a clean repair where the factory connector has worn, cracked, or lost terminal integrity. The L-shaped housing and black finish help it align with the original hardware on specified applications. Part number 645-149 is also referenced in interchange listings for related OE-style service needs.

Common Repair Uses

• Restores a damaged ignition switch connector on Chevrolet Camaro or Pontiac Firebird
• Addresses melted, brittle, or heat-stressed connector housings
• Helps correct intermittent no-start or accessory power issues caused by poor terminal contact
• Replaces worn wiring connections at the ignition switch on GM trucks and vans
• Supports repair of electrical faults traced to the ignition switch connector

Installation Notes and Tips

Verify connector shape, terminal count, wire count, and harness routing before installation. Match the vehicle’s original ignition switch connector style and confirm the application against the listed fitment for Chevrolet Camaro, Pontiac Firebird, Caprice, S10, Sonoma, Astro, and other supported GM models. Proper terminal seating and secure wire splicing are important for a stable electrical repair.

Quality Assurance

Dorman designs this connector to match the original hardware’s appearance and function on specified applications, using quality materials for reliable performance and durability. It is a service replacement part for ignition switch connector repair on supported vehicles.