Standard Ignition TW-44 Turn Signal Switch

Turn Signal Switch for GM Full-Size Cars

Standard Ignition TW-44 is a new turn signal switch built for GM vehicles that need reliable directional signaling and column switch performance. It is engineered with copper alloy conductors for strong electrical flow and low resistance, and each unit is tested for mechanical and electrical switching function.

Compatible With select Buick, Cadillac, Oldsmobile, and Pontiac applications, including Buick LeSabre, Oldsmobile 88, and Pontiac Bonneville models with the listed equipment notes. Standard Ignition TW-44 is a direct-fit electrical replacement for service work on late-1980s through 1990s GM steering column systems.

Key Features

• New turn signal switch for steering column electrical control
• Copper alloy conductors for consistent conductivity and reduced resistive loss
• 100% tested for mechanical and electrical switching performance
• Male connector with 1 connector cavity
• 13 female blade terminals for the specified vehicle harness design
• Direct replacement for select GM applications

Detailed Description

The Standard Ignition TW-44 turn signal switch is built for service professionals who need a dependable replacement for worn or failing column switches. Its robust construction and tested switching performance support accurate turn signal operation in vehicles such as the Buick LeSabre, Pontiac Bonneville, and Oldsmobile 88. This part number, TW-44, is also referenced for several OE and aftermarket cross applications, making it a practical match for repair planning.

This part cross-references 1S3251 and DS154 for the same application.

What It Helps Fix

• Turn signals that do not activate or cancel correctly
• Intermittent signal operation caused by worn internal contacts
• Electrical switching faults in the steering column assembly
• Broken or unreliable signal control on aging GM vehicles
• Harness connection issues where the original switch has failed

Installation Notes and Tips

Verify the vehicle’s exact year, make, model, and equipment notes before ordering. Fits 1993-1999 Buick LeSabre, w/o Electronic Push Button Control; Fits 1992-1999 Oldsmobile 88, w/o Pushbutton; Fits 1993-1999 Pontiac Bonneville, w/o Pushbutton; Fits 1990-1991 Pontiac Bonneville, w/o Pushbutton; Fits 1994-1996 Buick Park Avenue, w/o Electronic Push Button Control; Fits 1993-1995 Cadillac Eldorado; Fits 1994-1995 Cadillac Seville, w/o Harness; Fits 1995 Oldsmobile 98, w/o Electronic Push Button Control; Fits 1990-1993 Oldsmobile 98, w/o Electronic Push Button Control; Fits 1994 Cadillac DeVille, w/o Harness; Fits 1991-1993 Buick Park Avenue; Fits 1993 Buick Riviera; Fits 1993 Cadillac Commercial Chassis; Fits 1990-1993 Cadillac DeVille; Fits 1993 Cadillac Seville; Fits 1990-1992 Buick LeSabre; Fits 1990-1992 Cadillac Fleetwood; Fits 1991 Oldsmobile Delta 88; Fits 1990 Oldsmobile Delta 88, w/o Pushbutton; Fits 1990 Oldsmobile Toronado.

Confirm connector style, terminal count, and any vehicle-specific notes such as w/o Pushbutton, w/o Harness, or w/o Electronic Push Button Control before installation.

Quality Assurance

Standard Ignition builds this switch with service-grade materials and tests each unit for electrical and mechanical function before release. The TW-44 is a new replacement part designed to meet the demands of professional repair work.