Standard Ignition TW-97 Turn Signal Switch

OE-Style Turn Signal Switch for Ford Vans and Trucks

The Standard Ignition TW-97 is a direct-fit turn signal switch replacement for select 1978-1979 Ford applications without a tilt wheel. It restores turn signal switch functions with OE-spec fit, form, and function for service work on Ford E-Series vans and F-Series trucks.

• Direct-fit replacement for damaged OE turn signal switches
• OE-spec design for proper fit, form, and function
• Copper alloy conductors for strong electrical conductivity and low resistive loss
• Black and gray plastic finish
• Male connector with 1 cavity, 9 female bullet terminals
• New part from Standard Ignition

Detailed Product Overview

Built for electrical repair, the TW-97 turn signal switch is made to replace the original unit in Ford E-100, E-150, E-250, and E-350 Econoline models, as well as Ford F-150, F-250, and F-350 trucks from 1978-1979. It is a fitment-specific solution for vehicles without a tilt wheel, and it uses copper alloy conductors to maintain consistent signal performance. Standard Ignition engineers this switch to OE specifications so the replacement matches the original mounting, connection style, and operating function.

This part cross-references alternate numbers such as 1S4314 and SW4585 for the same application. The Standard Ignition TW-97 is a practical choice when searching for a 1978 Ford F-150 turn signal switch, a 1979 Ford E-250 Econoline turn signal switch, or a direct replacement turn signal switch for classic Ford truck and van electrical repair.

Common Problems This Part Can Address

• Inoperative or intermittent turn signal operation
• Worn internal switch contacts
• Electrical connection issues at the steering column switch
• Broken or damaged OE switch housing
• Restoration of turn signal function after switch failure

Installation Notes and Fitment

Compatible With 1978-1979 Ford E-100 Econoline, without tilt wheel; 1978-1979 Ford E-100 Econoline Club Wagon, without tilt wheel; 1978-1979 Ford E-150 Econoline, without tilt wheel; 1978-1979 Ford E-150 Econoline Club Wagon, without tilt wheel; 1978-1979 Ford E-250 Econoline, without tilt wheel; 1978-1979 Ford E-250 Econoline Club Wagon, without tilt wheel; 1978-1979 Ford E-350 Econoline, without tilt wheel; 1978-1979 Ford E-350 Econoline Club Wagon, without tilt wheel; 1978-1979 Ford F-150, without tilt wheel; 1978-1979 Ford F-250, without tilt wheel; 1978-1979 Ford F-350, without tilt wheel.

Verify connector style, terminal count, and steering column configuration before installation. This TW-97 switch is specified for vehicles without a tilt wheel, so matching the original column setup is important for proper operation.

Quality Assurance

Standard Ignition builds this switch to OE specifications and uses robust materials suited to professional service demands. The design focuses on reliable electrical performance and correct fitment for the listed Ford applications.