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1978-1982 Corvette C3 Interior Courtesy Light Delay Timer Circuit Board 975057

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Item ID: 627-672
GM Part #: 975057
Availability: In Stock - Ships today if ordered by 3 PM CT
Fits Years:
  • 1978-1982
$54.99
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  • Description

1978-1982 C3 Interior Courtesy Light Delay Timer Circuit Board 975057 - OEM Number(s) (975057)

Restore proper courtesy light functionality in your late C3 with our direct replacement Interior Courtesy Light Delay Timer Circuit Board, designed specifically for 1978–1982 Corvette models. This circuit board module controls the delay feature of your interior lights, allowing them to remain illuminated briefly after the doors are closed—a small but important touch of luxury and safety from the factory.

Located behind the RH side dash panel, this circuit board fits into your original wiring harness housing without modification. Whether your factory module has failed or is causing intermittent lighting issues, this replacement brings back reliable operation and interior refinement.

Features
• Direct replacement for 1978–1982 Corvette C3 models
• Mounts inside original RH passenger dash housing
• Replaces original GM light delay circuit board
• Pre-tested for performance and reliability
• Includes One Year Warranty
Made in USA

Dimensions and Weight
• Lightweight circuit board module
• Packaged for safe and static-free installation

Tech Notes
• No programming or wiring changes required
• Ideal solution for non-working or flickering interior lights

Bring your Corvette's interior lighting back to original factory function with this quality-built delay timer circuit board. Designed for quick installation, it’s the final touch to ensure your C3's cabin performs and feels as it did off the showroom floor.

Also known under these part numbers: (For reference only)

  • 20216
  • 463498
  • 56193
  • 975057
  • EL68U
Prop 65