ELECTRICAL SYSTEM - SKIDDER (SERIAL NO. 257646- ) KEY DESCRIPTION KEY DESCRIPTION 1 - FUEL SENDING UNIT 13 - FRONT CANOPY LIGHTS 2 - FUEL SENDING UNIT LEAD [03J22] ELECTRICAL SYSTEM 9015 640 Log Skidder and Grapple Log Skidder PC1518 in SKIDDER, LOG 640