Standard Ignition Turn Signal Switch TW-45
Standard Ignition Turn Signal Switch TW-45 - view 2
Standard Ignition Turn Signal Switch TW-45 - view 3
Standard Ignition Turn Signal Switch TW-45 - view 4
Standard Ignition Turn Signal Switch TW-45 - view 5
Standard Ignition Turn Signal Switch TW-45 - view 6
Standard Ignition Turn Signal Switch TW-45
Standard Ignition Turn Signal Switch TW-45 - view 2
Standard Ignition Turn Signal Switch TW-45 - view 3
Standard Ignition Turn Signal Switch TW-45 - view 4
Standard Ignition Turn Signal Switch TW-45 - view 5
Standard Ignition Turn Signal Switch TW-45 - view 6

Turn Signal Switch for 1975-1983 Chevrolet C10 & More - Standard Ignition TW-45

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$49.99
MPN: TW-45
Item Package Quantity: 1
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Standard Ignition Turn Signal Switch P/N:TW-45
Standard Ignition Turn Signal Switch P/N:TW-45
$49.99

Replace a worn or failed turn signal switch in your classic Chevrolet or GMC with the Standard Ignition Turn Signal Switch TW-45. This switch sends power to the left or right turn signal lamps as you move the signal lever. It installs as a direct-fit replacement for many vehicles, among them the 1975-1983 Chevrolet C10, 1973-1983 Chevrolet C10 Suburban and 1975-1983 Chevrolet C20.

  • Quality control throughout: Standard is a global manufacturer of original equipment ignition products. It maintains quality control across the whole manufacturing process, from componentry to the finished product.
  • Copper alloy conductors: Deliver superior electrical conductivity with low resistive losses.
  • 100% tested: Every switch is tested to verify both its mechanical and its electrical switching performance.
  • Robust design: Built from high-grade materials to meet the stringent demands of today's service professional. It draws on decades of research and development focused on what technicians need.

Signs this switch may need replacing include turn signals that work only intermittently or in only one direction, or signals that won't stay on or cancel properly. A burned-out bulb, a failed flasher or a wiring fault can cause similar symptoms, so diagnose the circuit before replacing the switch.

See the Buyer's Guide tab for the full list of applications, including engine details.

Interchange: S3304 · SW1075 · DL6505 · 1997985

This part cross-references / interchanges with the following part numbers:

S3304, SW1075, DL6505, 1997985

Frequently Asked Questions

Is the TW-45 the right C10 switch for a 1975-1983 Chevrolet C10?

Yes. It is a direct-fit replacement for the 1975-1983 Chevrolet C10 and fits many other models, including the 1973-1983 Chevrolet C10 Suburban and 1975-1983 Chevrolet C20. See the Buyer's Guide tab for the full list.

What does a turn signal switch do?

It routes power to the left or right turn signal lamps when you move the signal lever up or down.

How can I tell if my turn signal switch is failing?

Signals that work intermittently, work in only one direction, or don't cancel properly may point to the switch. Check the bulbs, flasher and wiring first, since they can cause similar symptoms.

Is the TW-45 tested before it ships?

Yes. Standard tests 100% of these parts to verify both mechanical and electrical switching performance.

What part numbers does the TW-45 interchange with?

The TW-45 interchanges with S3304, SW1075, DL6505 and 1997985.

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