Standard Ignition TW-38 Turn Signal Switch

Brand Standard Ignition TW-38
Connector Gender Female + Male
Displayed Yes
Functions Turn Signal Switch
New or Reman New
Number Of Connector Cavities 2
Terminal Gender Female + Male
Terminal Type Blade
Voltage 12
Fits Chevrolet and GMC · 8 vehicles

Copper alloy conductors. Deliver superior electrical conductivity with low resistive losses.

100% tested. Verifies mechanical and electrical switching performance.

Robust design. Built with high-grade materials for demanding service use.

Cross-references Standard Ignition S3244, 1S3102 and 53-58735 for the same application. See all 8.

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Turn Signal Switch for Chevrolet and GMC Vans

Standard Ignition TW-38 is a new turn signal switch built for vehicles that need dependable electrical switching and consistent signal operation. It uses copper alloy conductors for strong conductivity and low resistance, with 100% testing of mechanical and electrical performance before release.

  • Turn signal switch function for steering column signal control
  • 12-volt electrical system application
  • Female + male connector gender with 2 connector cavities
  • 16 blade terminals for secure electrical connection
  • New construction with displayed fitment information
  • Fits 1978 Chevrolet P10, w/ Tilt Steering Wheel; Incl. Hazard
  • Fits 1978 Chevrolet P20, w/ Tilt Steering Wheel; Incl. Hazard
  • Fits 1978 Chevrolet P30, w/ Tilt Steering Wheel; Incl. Hazard
  • Fits 1975-1976 Chevrolet G30, compatible with vehicles with tilt steering wheel
  • Fits 1972 GMC G15/G1500 Van
  • Fits 1972 GMC G25/G2500 Van
  • Fits 1972 GMC G35/G3500 Van

Detailed Product Overview

TW-38 is a Standard Ignition turn signal switch for select Chevrolet and GMC applications, including 1978 Chevrolet P10, P20, and P30 models with tilt steering wheel and hazard function, plus 1975-1976 Chevrolet G30 and 1972 GMC G15/G1500, G25/G2500, and G35/G3500 vans. The switch is built with blade terminals, female and male connector interfaces, and copper alloy conductors to support stable electrical transfer in the steering column circuit. Standard Ignition TW-38 is a direct-fit electrical replacement for service work where accurate turn signal and hazard switching is required.

Common Repair Uses

  • Inoperative or intermittent turn signal operation
  • Hazard switch function concerns on listed Chevrolet P10, P20, and P30 applications
  • Loose, worn, or damaged steering column switch connections
  • Electrical continuity issues caused by aged internal switch contacts
  • Restoration of signal control on select Chevrolet and GMC vans

Installation Notes

Verify the vehicle’s steering column configuration, connector style, terminal count, and listed fitment before installation. This part cross-references Standard Ignition S3244 for the same application. Confirm all electrical connections are fully seated and inspect the column wiring for wear or heat damage during replacement.

Quality Assurance

Standard Ignition tests each switch for mechanical and electrical performance. The robust construction and copper alloy conductors are selected to meet the demands of professional service replacement work.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypePositionNotes
1978ChevroletP10—N/Aw/ Tilt Steering Wheel; Incl. Hazard
1978ChevroletP20—N/Aw/ Tilt Steering Wheel; Incl. Hazard
1978ChevroletP30—N/Aw/ Tilt Steering Wheel; Incl. Hazard
1976ChevroletG30Cutaway VanN/ACompatible with vehicles with tilt steering wheel.
1975ChevroletG30Cutaway VanN/ACompatible with vehicles with tilt steering wheel.
1972GMCG15/G1500 Van—N/A—
1972GMCG25/G2500 Van—N/A—
1972GMCG35/G3500 Van—N/A—
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — S32441S310253-58735189359601997987DL6202SM214SW337