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Standard Ignition TC527 Trailer Brake System ConnectorOE Quality 60-Day Returns
Part #: TC527

Standard Ignition TC527 Trailer Brake System Connector

57 vehicles fit this part
Select your vehicle to confirm fitment
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Fitment: Chevrolet and GMC, Blazer, C1500, C2500, C3500, Jimmy, K1500, K2500, K3500, Sierra 1500, Sierra 1500 HD, Sierra 2500, Sierra 2500 HD, Sierra 3500, Silverado 1500, Silverado 1500 HD, Silverado 2500, Silverado 2500 HD, Silverado 3500, Suburban 1500, Suburban 2500, Tahoe, Yukon, Yukon XL 1500, and Yukon XL 2500
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Not what you need? See all Trailer Brake System Connector options

Trailer Brake Connector for GM Trucks and SUVs

Standard Ignition TC527 is a trailer brake system connector built for select Chevrolet and GMC applications from 1999-2001. It uses a male connector with female blade terminals and a 4-wire layout to support a direct electrical connection where the original trailer brake connector has failed or worn out.

Built with high-grade materials and a robust connector design, TC527 is aimed at restoring dependable trailer brake circuit performance on vehicles such as the Chevrolet Silverado, Suburban, Tahoe, and GMC Sierra, Yukon, and Jimmy. This part number is also referenced as TC527 for easy cross-checking during replacement selection.

Key Features

  • Male connector design with female blade terminals
  • 4-terminal, 4-wire configuration
  • Built for trailer brake system electrical connections
  • Constructed with precision-focused materials for consistent terminal contact
  • Designed for select 1999-2001 Chevrolet and GMC trucks and SUVs

Detailed Description

Standard Ignition TC527 is an electrical connector for trailer brake system service on compatible GM vehicles. It is engineered to address connector wear, terminal damage, and connection issues that can interrupt trailer brake signal transfer. Applications include Fits 1999-2001 Chevrolet Silverado 1500, N/A; Fits 2000-2001 Chevrolet Tahoe, N/A; and Fits 1999-2001 GMC Sierra 1500, N/A, along with additional Silverado, Sierra, Suburban, Yukon, Blazer, Jimmy, and heavy-duty C/K models listed in the fitment data. This part cross-references 47785 and 88860677 for the same application.

What It Helps Fix

  • Broken or corroded trailer brake connector terminals
  • Intermittent trailer brake electrical contact
  • Damaged factory connector housings
  • Signal loss between the vehicle harness and trailer brake circuit
  • Connector wear from age, heat, or vibration

Installation Notes and Tips

Verify connector style, terminal gender, and wire count before installation. Match the vehicle harness to the 4-blade terminal layout and confirm the application against the exact year, make, and model listed in the fitment data. Inspect the surrounding wiring for corrosion or heat damage before connecting the replacement part.

Quality Assurance

Standard Ignition designs its trailer connectors and accessories with durable materials and a focus on technician-friendly fit and function. The brand’s long-running electrical component development is centered on replacing failed original equipment connectors with parts built for reliable service.

BrandStandard Ignition
Part NumberTC527
Connector GenderMale
Connector Quantity1
Terminal GenderFemale
Terminal Quantity4
Terminal TypeBlade terminals
Wire Quantity4

This part fits 57 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2001ChevroletBlazerN/A
2001ChevroletSilverado 1500N/A
2001ChevroletSilverado 1500 HDN/A
2001ChevroletSilverado 2500N/A
2001ChevroletSilverado 2500 HDN/A
2001ChevroletSilverado 3500N/A
2001ChevroletSuburban 1500N/A
2001ChevroletSuburban 2500N/A
2001ChevroletTahoeN/A
2001GMCJimmyN/A
2001GMCSierra 1500N/A
2001GMCSierra 1500 HDN/A
2001GMCSierra 2500N/A
2001GMCSierra 2500 HDN/A
2001GMCSierra 3500N/A
2001GMCYukonN/A
2001GMCYukonDenaliN/A
2001GMCYukon XL 1500N/A
2001GMCYukon XL 1500DenaliN/A
2001GMCYukon XL 2500N/A
2000ChevroletBlazerN/A
2000ChevroletC2500N/A
2000ChevroletC3500N/A
2000ChevroletK2500N/A
2000ChevroletK3500N/A
2000ChevroletSilverado 1500N/A
2000ChevroletSilverado 2500N/A
2000ChevroletSuburban 1500N/A
2000ChevroletSuburban 2500N/A
2000ChevroletTahoeN/A
2000GMCC2500N/A
2000GMCC3500N/A
2000GMCJimmyN/A
2000GMCK2500N/A
2000GMCK3500N/A
2000GMCSierra 1500N/A
2000GMCSierra 2500N/A
2000GMCYukonN/A
2000GMCYukonDenaliN/A
2000GMCYukon XL 1500N/A
2000GMCYukon XL 2500N/A
1999ChevroletC1500N/A
1999ChevroletC2500N/A
1999ChevroletC3500N/A
1999ChevroletK1500N/A
1999ChevroletK2500N/A
1999ChevroletK3500N/A
1999ChevroletSilverado 1500N/A
1999ChevroletSilverado 2500N/A
1999GMCC1500N/A
1999GMCC2500N/A
1999GMCC3500N/A
1999GMCK1500N/A
1999GMCK2500N/A
1999GMCK3500N/A
1999GMCSierra 1500N/A
1999GMCSierra 2500N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

4778588860677TC3276

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.