The Crown Fuel Level Sending Unit for the 1981 - 1985 Jeep Cherokee is situated in said vehicle’s fuel tank. It is an important part of the vehicle fuel system. Without its presence, the fuel system wouldn’t work out properly. That’s why proper care and maintenance must be given to it. The Crown J5363490 is situated in the fuel tank of the vehicle. It is composed of the float, which is basically made out of foam, linked to a thin, metal rod. The end of the rod is attached to a variable resistor. The resistor is an electrical mechanism that resists the electricity’s flow. The more resistance there is, the less current will flow out. In a fuel tank, the variable resistor is comprised of a strip of resistive material linked on one side of the ground. A wiper linked to the gauge slides along close to the grounded side of the strip, there is less resistive material in the course of the current so the resistance is tiny. If the wiper is then located at the other end of the strip, there is more resistive material in the path of the current, so the resistance is large. If you want more information about fuel sending units for the Jeep Cherokee, then drop by in our website. We have the most extensive list of auto parts and accessories available in the internet. All you have to do is click on the part you want in our online auto parts catalog, it’s all that simple.