19. LIGHTS/METERS/SWITCHES Downtown 300i ABS INSPECTION F Connect the fuel unit wire connectors and turn the ignition switch "ON". Before performing the following test, operate the turn signals to determine that the battery circuit is normal. Measure the resistance between the E Red/Black and Green wire of the fuel unit connector. Standard (at 20°C/68°F): Float at full position About 1100 Float at empty position About 100 19-12