Vankey 28146 Electric Vacuum Pump Switch & Relay Kit for Brake Booster - Normally Open Pressure Sensor with 28146 Relay - Replacement for Universal Vacuum Pump Systems (Switch)

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• 【Complete Control Kit for Your Brake Vacuum System】This bundle includes both the essential 28146 vacuum switch and the 28146 relay, providing a comprehensive solution to manage your electric vacuum pump. Ensures your brake booster receives consistent and reliable vacuum pressure for optimal braking performance.
• 【Automatic Adjustment System】The vacuum pressure switch features a preset activation/deactivation point (typically 18-22 inHg). It automatically turns the pump on when vacuum drops and shuts it off once sufficient vacuum is reached, preventing the pump from running continuously and extending its service life.
• 【28146 Relay for Circuit Protection】The included 28146 relay is designed to handle the high current draw of your electric vacuum pump. By using this relay, you protect your vehicle's wiring, ignition switch, and the vacuum switch itself from electrical overload and potential damage, ensuring a safe and durable setup.
• 【 Easy Installation with Clear Wiring Guide】Installation is straightforward with the included relay wiring diagram. Terminals are clearly defined for connection to the vacuum switch, positive battery source, pump motor, and ground.
• 【Durable design】Both components feature robust construction.Built to withstand the harsh conditions under the hood, this kit offers a reliable, long-lasting upgrade for your braking system.