Part Number of ATV UTV Winch Solenoid Relay Contactor & Winch Rocker Thumb Switch Combo: 63070, 62135, 74900, 2875714, 70715. There is a distance between inner accessory and static iron core; it is normal if there is sound when shaking. Application of 12V Winch Solenoid Relay Contactor: 250Amp, 12V, 1/4 inch stud. Compatible with KFI, Warn, Ramsey, Superwinch, and other models. Function & Cable Diagram of this Solenoid Relay: Blue terminal connects to motor winch positive, yellow terminal connects to motor winch negative, red terminal connects to battery positive, black terminal connects to battery negative, green wire connects to switch green, black wire connects to switch black (controls in and out on a winch). Protects ATV's electrical system and manages power distribution for your winch. Features of 1500-5000lbs Winch Solenoid Relay: Features M8 copper terminals, built-in silver contactor, plastic case with powder-coated black finish for durability, anti-rust properties, and extended service life. Color: Black Material: Plastic Package Contents: 1 x Winch Solenoid Relay Kit Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual product. Measurement may vary by +/- 1-3 cm.