CHAPTER 2: VEHICLE MAINTENANCE INSTRUCTIONSTM 9-2350-256-202-19 ELECTRICAL TROUBLESHOOTING-ContinuedB.O. MARKER CONDITION--ContinuedWARNINGRemove all jewelry such as rings, dogtags, bracelets, etc. If jewelry contacts ametal surface a direct short may result ininstant heating of tools, damage toequipment, and injury or death topersonnel.KReconnect switch panel to gage panel andmiscellaneous switches wiring harness to mainswitch panel. Install main switch panel (15), flatwasher (14), ground lead (13), three lockwashers(12), and three screws (11). Open air inlet doors (TM9-2350-256-10). Disconnect wire 48 pin A frombulkhead to master relay wiring harness. Place redmultimeter lead in socket and black lead to ground.Turn MASTER switch on and check for voltage. Ifvoltage is present, repair/replace switch panel, radio,and bilge pump to bulkhead wiring harness (seeparagraph 6-53). If voltage is not present,troubleshoot master relay circuit (see paragraph 2-19, master relay fails to operate).2—312
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business