If everything in the transmission and clutch packs are mechanically working properly and you can manually hand shift the transmission thru all the gears with the shift nub and special tool under your this kit will force shift the transmission regardless of shift code being displayed.Does not require any modification to the ATV or its wire harness and can be easily removed and saved for a later time for diagnostics or emergencies or on the trail repairs. Does not require any timers or computers utilizes common for style relays found at any parts store timers are not needed for a constant mesh style hydraulic transmissions bypass not for use on hydraulic style transmissions like and Rincon.Quickly diagnose mechanical clutch or transmission failures by isolating the ESP electrical system from mechanical problems that can cause ES shift codes quickly and easily without ever pulling the clutch cover.One style relay controls the up shift the other relay controls the down shift while using your known good tested factory left handle bar up / down switches and a good or tested shift motor, and good healthy battery. Our kits are made from quality components and professional construction, you will be pleased with quality of our products.100% Brand New and High QualityFits: For only 1998-2004 Foreman 450 ESFits all Te Fe and Es modelsNote:Eliminates the need for angle sensors, speed sensors, shift computer, ECU, forward/reverse sensor, and the sensor and even the main wire harness.Installation:The kit plugs directly inline with your factory left handlebar up/down Large GREEN 10 Wire matching connector goes up front under front fender on front frame rail then plug in the shift motor to the matching kit factory stock plug. Then connect battery to correct terminals.Converts the ESsystem into a manual electric shift controlled transmission and will now function the same as a foot shift model would with the ease of the touch of a button for a On Demand shift style.Also great alternative for older electric shift ATV equipped with computer controlled ESP program needing expensive or unavailable parts, or may have oversized tires or gear reduction installed confusing the shift computer and speed sensor not allowing the stock computer to allow it to shift.Only needs a Good Battery, Shift Motor, and up / down shift buttons on the left controller.colour: blackMaterial: ABSPackage Contents:1 set x Angle Sensor Computer HarnessOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.