3958714 Headlight Wiper Door Vacuum Override Switch Bracket Headlight/wiper

( Brand: General Motors ), ( Manufacturer Part Number: 3958714 ), ( To Control: Headlight, Windshield Wiper Door ), ( Type: Pull Down Vacuum Switch ), ( Oe/oem Part Number: C3 Valve Assembly Support Brace Lower Dash Column Cover ), ( Vintage Part: Yes ), ( Placement On Vehicle: Under Steering Column ), ( Country Of Origin: United States )

Review GENERAL MOTORS Oe Headlight/wiper Door Vacuum Override Switch Bracket fits CORVETTE 1969–1977

Introducing the 3958714 Corvette Headlight/Wiper Door Vacuum Override Switch Bracket, a crucial component for the restoration or customization of 1969-1977 Chevrolet Corvettes. This switch bracket is designed to provide control over the vacuum-operated headlights and wiper blades, allowing you to override the system when necessary.

The bracket is meticulously crafted with high-quality materials to ensure a perfect fit and durable construction. It is engineered to replace the original factory switch, allowing you to maintain the authentic look of your Corvette while adding modern functionality. The switch is designed to be compatible with both manual and power wiper systems, making it a versatile addition to your Corvette's electrical system.

The switch features a vacuum operated design, which allows it to be controlled by the engine vacuum. This means that when the engine is running, the switch will be activated, allowing the headlights and wiper blades to function. However, the switch also includes an override function, which can be activated by pushing the center button. This allows you to manually control the headlights and wipers even when the engine is not running.

The switch is easy to install, requiring no special tools or extensive mechanical knowledge. It simply bolts onto the existing switch location, making it a straightforward upgrade for even the most novice of Corvette enthusiasts. The switch also includes a mounting bracket, which makes installation even easier by providing a secure and stable mounting point.

The 3958714 Corvette Headlight/Wiper Door Vacuum Override Switch Bracket is a must-have for any Corvette restoration project or custom build. It not only provides essential functionality, but it also adds a touch of vintage style to your vehicle. With its durable construction, easy installation, and versatile compatibility, this switch is an indispensable addition to any Corvette enthusiast's toolkit.

Vacuum Override Switch Bracket for 1969-1977 Corvette Headlights and Wipers: A Comprehensive Analysis

The vacuum override switch bracket is a crucial component in the electrical system of 1969-1977 Corvette headlights and wipers. This part ensures proper functioning of the headlights and wipers by maintaining the vacuum connection. In this analysis, we will discuss the advantages, disadvantages, and a conclusive recommendation regarding the purchase of this vacuum override switch bracket.

1. Enhances Convenience: The vacuum override switch bracket enables the driver to control the headlights and wipers independently of the engine vacuum. This feature is particularly useful when the engine is off or during idle conditions.

2. Improves Safety: Proper functioning of the headlights and wipers is essential for safe driving conditions. A faulty or malfunctioning vacuum override switch bracket can lead to headlight and wiper issues, potentially causing accidents. Therefore, replacing a worn-out or damaged switch bracket is a wise investment for safety.

3. Restores Originality: For Corvette enthusiasts, maintaining the originality of their classic car is essential. Installing a new vacuum override switch bracket can help keep the electrical system functioning as intended, preserving the authenticity of the vehicle.

1. Cost: The vacuum override switch bracket is a specialized part, and its cost may be higher than some drivers might expect. This consideration may deter some potential buyers.

2. Installation Complexity: The installation process of the vacuum override switch bracket may require some mechanical expertise. Drivers without experience in automotive electrical systems may find the process challenging.

3. Availability: Finding a reliable and authentic vacuum override switch bracket may be difficult for some buyers. It is essential to purchase the part from a trustworthy supplier to ensure its quality and compatibility with the Corvette's electrical system.

The vacuum override switch bracket is an essential component in the electrical system of 1969-1977 Corvettes. Its advantages, such as improved convenience, safety, and originality, outweigh the potential disadvantages, including cost, installation complexity, and availability. However, it is essential to purchase the part from a reputable supplier to ensure its authenticity and compatibility with the vehicle.

If you are a Corvette enthusiast or an owner of a 1969-1977 Corvette, it is highly recommended to invest in a new vacuum override switch bracket. This part not only ensures the proper functioning of the headlights and wipers but also adds to the overall safety and originality of your classic car. When purchasing the part, be sure to buy it from a trusted and reputable supplier to guarantee its quality and compatibility.

Details:

The blasting has revealed little to no pitting pictures. The bracket has been media blasted and painted black. The bracket is in its factory shape. Genuine GM Part For sale is one used original headlight/wiper door vacuum override pull down switch bracket.

P/N 3958714 Correct for Corvettes 1969-1977 The bracket mounts under the steering column to drivers side dash pad.

part #: 3958714 prices

• $23.75-$40.00

specifications inswico:

• for models: Corvette
• for years: 1969-1977
• brand: General Motors
• mpn: 3958714
• to control: Headlight, Windshield Wiper Door
• type: Pull Down Vacuum Switch
• oe/oem part number: C3 Valve Assembly Support Brace Lower Dash Column Cover
• vintage part: Yes
• placement on vehicle: Under Steering Column
• country of origin: United States

shipping inswico:

• transit: 5-11 Days
• cost: $5.52
• class: Standard, Expedited
• type: Calculated
• service: USPS Ground Advantage, FedEx Ground / FedEx Home Delivery, USPS Priority Mail Flat Rate Envelope
• carrier: USPS, FedEx

general inswico:

• Car Truck Parts Accessories > Interior Parts Accessories > Switches Controls
• condition: Used

offer inswico:

• quantity: 1
• started: March 12, 2026
• sold: 0
• availability: In Stock
• options: Ship-to-home

payments inswico:

• credit card: Mastercard
• wallet: Apple-pay
• other

seller inswico:

• rating: 100.0%
• # reviews: 259
• city: Livermore, California

returns inswico:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

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