20. LIGHTS/SWITCHES MXU 500 IRS FUEL UNIT REMOVAL Remove the fuel tank cover (refer to the "FRAME COVERS" section in the chapter Fuel Unit Connectors 2). Remove the fuel unit connectors. Remove the four bolts, then remove the fuel unit from fuel tank. INSPECTION Measure the resistance between the Yellow/White and Blue/White terminals of the fuel unit connector. Standard (at 20°C/68°F): Float at full position 1100 33 Float at empty position 100 3 INSTALLATION Fuel unit installation is in the reverse order of removal. Align the tab on the fuel unit with the mark on the fuel tank. 20-10