1. Trailer Brakes Products For Sale
  2. sku: 3551411142448651
  3. SI SI-70208004

SI SI-70208004 Brake Control Wiring Adapter 1500/1500HD/2500HD/3500

fits model: 1500, 3500, 2500hd, Silverado. make: Chevy. year: 2003–2007.

Si-70208004 Si Brake Control Wiring Adapter For 03-07 Chevy Silverado 1500/1500hd/2500hd/3500

( Brand: Si ), ( Manufacturer Part Number: SI-70208004 ), ( Type: Trailer Brake Controller ), ( Features: Plug-play ), ( Fitment 1: For 2003-2006 Cadillac Escalade / Escalade Esv / Escalade Ext ), ( Fitment 2: For 2003-2006 Chevrolet Avalanche 1500 / 2500 ), ( Fitment 3: For 2003-2007 Chevrolet Silverado 1500 / 1500hd / 2500hd / 3500 ), ( Fitment 4: For 2003-2004 Chevrolet Silverado 2500 ), ( Fitment 5: For 2003-2006 Chevrolet Suburban 1500 / 2500 ), ( Fitment 6: For 2003-2006 Chevrolet Tahoe ), ( Fitment 7: For 2003-2007 Gmc Sierra 1500 / 1500hd / 2500hd / 3500 ), ( Fitment 8: For 2003-2004 Gmc Sierra 2500 ), ( Fitment 9: For 03-06 Gmc Yukon/denali, Yukon Xl 1500/denali, Yukon Xl 2500 ), ( Fitment 10: For 2003-2007 Hummer H2 )

Review SI Brake Control Wiring Adapter Chevy 1500/1500hd/2500hd/3500 fits SILVERADO 1500 3500 2500HD 2003–2007

The Si Si-70208004 brake control wiring adapter is a must-have accessory for Chevy Silverado 1500, 1500HD, 2500HD, and 3500 owners with aftermarket brake controllers. This wiring adapter simplifies the installation process and ensures a proper electrical connection between your brake controller and your vehicle's factory wiring harness.

This adapter features a plug-and-play design that connects directly to the Silverado's OEM 7-pin trailer wiring harness, providing power, ground, and brake signals to the brake controller. By eliminating the need for complicated wiring modifications, the Si Si-70208004 adapter saves you time and effort during installation.

The adapter's heavy-duty design ensures reliable performance even under heavy towing conditions. The wiring is protected by a durable, weather-resistant connector that shields the pins from moisture and debris. This feature is essential for outdoor enthusiasts who frequently tow trailers in various weather conditions.

The Si Si-70208004 brake control wiring adapter is engineered to meet or exceed industry standards for electrical performance and safety. It is compatible with most aftermarket brake controllers, making it a versatile and practical solution for towing applications.

Installing this adapter is a straightforward process. Simply connect the adapter to the Silverado's 7-pin wiring harness, and then plug in your brake controller. This design ensures a secure and stable connection, reducing the risk of electrical issues and improper towing performance.

In summary, the Si Si-70208004 brake control wiring adapter is an essential accessory for Chevy Silverado 1500, 1500HD, 2500HD, and 3500 owners who use aftermarket brake controllers for towing applications. Its plug-and-play design, heavy-duty construction, and compatibility with various brake controllers make it a practical, reliable, and user-friendly solution for ensuring safe and efficient towing experiences.

The SI SI-70208004 brake control wiring adapter is designed to enable the use of electric trailer brakes on Chevy Silverado models from 2003 to 2007 (1500, 1500HD, 2500HD, and 3500). Here are some pros and cons of buying this wiring adapter:

Pros:

1. Compatibility: This wiring adapter is specifically designed for Chevy Silverado models from 2003 to 2007, making it a reliable solution for those looking to install electric trailer brakes on their vehicles.

2. Easy installation: The adapter comes with clear instructions and is designed to plug directly into the vehicle's wiring harness, making installation relatively straightforward for most users.

3. Improved safety: Electric trailer brakes provide additional stopping power and improve overall safety when towing heavy loads.

Cons:

1. Cost: Compared to other wiring adapter options, the SI SI-70208004 may be more expensive.

2. Limited compatibility: This adapter is only compatible with Chevy Silverado models from 2003 to 2007, so it may not be a suitable solution for other vehicle makes or models.

3. Potential for wiring issues: As with any wiring installation, there is a risk of wiring issues that could result in electrical malfunctions or other problems.

In conclusion, the SI SI-70208004 brake control wiring adapter offers a reliable solution for those looking to install electric trailer brakes on their Chevy Silverado models from 2003 to 2007. While it may come with a higher price tag and some potential installation challenges, the improved safety and ease of use make it a worthwhile investment for many towers. Ultimately, the decision to purchase this wiring adapter will depend on individual needs, budget, and towing requirements.

Recommendation: If you own a Chevy Silverado from 2003 to 2007 and plan to tow heavy loads, the SI SI-70208004 brake control wiring adapter is a solid investment for improved safety and overall towing performance. Make sure to follow proper installation instructions and seek professional assistance if needed to ensure a successful installation.

Details:

Fitment list. The 31-inch cable let's you place it anywhere near the dashboard. Plug Play, Easy installation, no cutting or splicing required, just plug the brake control end of harness into electric controller and vehicle built-in port under dashboard. For 2003 2006 Cadillac Escalade / ESV EXT, Chevrolet Avalanche 1500 25 2003 2007 Silverado 1500HD 2500HD 35 2003 2004 Suburban Tahoe, GMC Sierra Yukon Denali XL Hummer H2.

Package included, 1 x Brake Control Wiring Adapter, Installation Instructions. Quality materials, The brake controller harness plug is made of tinned copper terminals to ensure good electrical conductivity, and the durable ABS housing black nylon mesh tubing ensures a long life for. Features: Item Brake Control Wiring Adapter, Design: plug play, condition: 100% Brand New.

part #: si-70208004 price

  • $19.55

specifications traibrak:

  • for models: 1500, 3500, 2500hd, Silverado
  • for makes: Chevy
  • for years: 2003-2007
  • brand: Si
  • mpn: Si-70208004
  • type: Trailer Brake Controller
  • features: Plug-play
  • fitment 1: For 2003-2006 Cadillac Escalade / Escalade Esv / Escalade Ext
  • fitment 2: For 2003-2006 Chevrolet Avalanche 1500 / 2500
  • fitment 3: For 2003-2007 Chevrolet Silverado 1500 / 1500hd / 2500hd / 3500
  • fitment 4: For 2003-2004 Chevrolet Silverado 2500
  • fitment 5: For 2003-2006 Chevrolet Suburban 1500 / 2500
  • fitment 6: For 2003-2006 Chevrolet Tahoe
  • fitment 7: For 2003-2007 Gmc Sierra 1500 / 1500hd / 2500hd / 3500
  • fitment 8: For 2003-2004 Gmc Sierra 2500
  • fitment 9: For 03-06 Gmc Yukon/denali, Yukon Xl 1500/denali, Yukon Xl 2500
  • fitment 10: For 2003-2007 Hummer H2

general traibrak:

  • Car Truck Parts Accessories > Towing Parts Accessories > Trailer Brake Controllers
  • condition: New

offer traibrak:

  • availability: In Stock
  • best offers: True
  • sold: 0
  • options: Ship-to-home
  • started: April 1, 2025

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shipping traibrak:

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  • cost: $0.00
for models: 1500, 3500, 2500hd, silverado, for makes: chevy, for years: 2003-2007, type: trailer brake controller, features: plug-play, fitment 1: for 2003-2006 cadillac escalade / escalade esv / escalade ext, fitment 2: for 2003-2006 chevrolet avalanche 1500 / 2500, fitment 3: for 2003-2007 chevrolet silverado 1500 / 1500hd / 2500hd / 3500, fitment 4: for 2003-2004 chevrolet silverado 2500, fitment 5: for 2003-2006 chevrolet suburban 1500 / 2500, fitment 6: for 2003-2006 chevrolet tahoe, fitment 7: for 2003-2007 gmc sierra 1500 / 1500hd / 2500hd / 3500, fitment 8: for 2003-2004 gmc sierra 2500, fitment 9: for 03-06 gmc yukon/denali, yukon xl 1500/denali, yukon xl 2500, fitment 10: for 2003-2007 hummer h2,
category: auto parts > car truck parts accessories > towing parts accessories > trailer brake controllers, sku: 3551411142448651,
Si SI-70208004 Is Similar To:
traibrak logo
2 offers $19.55–$19.55 USD
  • New. Offer #1 priced at $19.55 + $0.00 shipping estimate = $19.55* total. Fits For GMC Yukon / Yukon Denali / Yukon XL 1500 / Yukon XL 1500 Denali / Yukon XL 2500 2003-2006. Fits For Chevrolet Silverado 1500 / 1500HD / 2500HD / 3500 2003-2007.FREE SHIPPING
  • New. Offer #2 priced at $19.55 + $0.00 shipping estimate = $19.55* total. Fits For GMC Sierra 2500 2003-2004.FREE SHIPPING

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