{"product_id":"lajbz-proportional-trailer-brake-controller-kit-compact-inertia-sensor-digital-display-3-boost-levels","title":"LAJBZ Proportional Trailer Brake Controller Kit — Compact Inertia Sensor, Digital Display, 3 Boost Levels","description":"\u003cp\u003e\u003cstrong\u003eLAJBZ Proportional Trailer Brake Controller Kit provides inertia-based, proportional braking that matches your vehicle's deceleration for smoother, safer stops.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you're towing a boat, RV, utility trailer or cargo load, this compact electronic brake controller gives you predictable stopping power without complex setup. The unit uses an internal inertia sensor to apply trailer brakes in direct proportion to how your tow vehicle slows, reducing jerky stops and uneven brake wear. A self-leveling design eliminates the need for perfect alignment during installation, and the bright digital display keeps braking status and diagnostics easy to read at a glance.\u003c\/p\u003e\n\n\u003ch3\u003eHow does proportional braking improve towing control?\u003c\/h3\u003e\n\u003cp\u003eProportional braking automatically applies the trailer brakes in relation to your vehicle’s deceleration rather than a fixed timed output. That creates a smoother, more coordinated stop and reduces the tug-and-push sensation between truck and trailer. The result is steadier handling and less strain on both tow vehicle and trailer braking components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInertia sensor measures real-time deceleration for matched brake force\u003c\/li\u003e\n  \u003cli\u003eEliminates abrupt, timed-only braking behavior\u003c\/li\u003e\n  \u003cli\u003eReduces trailer brake wear and tow-vehicle stress\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat adjustments can I make for different loads and terrain?\u003c\/h3\u003e\n\u003cp\u003eThe controller offers three boost settings plus a manual override so you can fine-tune braking intensity for heavy loads or steep grades. Boost increases maximum output when extra stopping power is needed, while the manual lever lets you apply the trailer brakes independently for slow maneuvers or trailer control. Settings are straightforward to change and shown on the digital display for quick confirmation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThree selectable boost levels for light to heavy loads\u003c\/li\u003e\n  \u003cli\u003eManual override lever for on-demand trailer braking\u003c\/li\u003e\n  \u003cli\u003eClear digital readout of current boost and connection status\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what vehicles are supported?\u003c\/h3\u003e\n\u003cp\u003eInstallation is designed to be quick: the unit supports plug-and-play wiring via vehicle-specific harnesses (sold separately) and offers flexible mounting with a bracket or snap-in clip. Self-leveling means you do not need precise angling during mounting, and the controller supports 12V electric brakes on trailers with 1–3 axles (up to six brake assemblies).\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePlug-and-play wiring with compatible vehicle harness (sold separately)\u003c\/li\u003e\n  \u003cli\u003eFlexible mounting options and 180° adjustment range\u003c\/li\u003e\n  \u003cli\u003eWorks with trailers having 1–3 axles, up to six brake assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat diagnostics and protections are included?\u003c\/h3\u003e\n\u003cp\u003eThe built-in digital display provides continuous status updates and diagnostic alerts so you can spot issues before they become problems. The controller includes circuit protection to guard against electrical faults and is engineered for long-term reliability under towing conditions. Lifetime after-sales support helps with setup questions and troubleshooting.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBright digital display for connection and diagnostic alerts\u003c\/li\u003e\n  \u003cli\u003eCircuit protection against common electrical faults\u003c\/li\u003e\n  \u003cli\u003eLifetime customer support and a straightforward return policy\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The LAJBZ Proportional Trailer Brake Controller Kit is ideal for recreational boaters, RV owners, weekend DIY haulers, and professional drivers who need dependable, adjustable trailer braking. If you tow light to medium trailers equipped with 12V electric brakes and want smoother stops, easier installation, and clear diagnostic feedback, this controller is built to deliver consistent performance without complicated setup.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this controller work with my 2-axle trailer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It supports trailers with 1–3 axles (up to six brake assemblies) and 12V electric brakes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need a special harness to install it?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: You typically need a vehicle-specific wiring harness, which is sold separately for plug-and-play installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"LAJBZ","offers":[{"title":"Default Title","offer_id":55170385346903,"sku":"B0GDDR4VR5","price":102.06,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/lajbz-front-panel-display.jpg?v=1790428837","url":"https:\/\/britishgarage.co.uk\/products\/lajbz-proportional-trailer-brake-controller-kit-compact-inertia-sensor-digital-display-3-boost-levels","provider":"British Garage","version":"1.0","type":"link"}