SECTION V: TROUBLESHOOTINGTM 9-2350-256-20WARNINGRemove all jewelry such as rings, dog tags,bracelets, etc. If jewelry contacts a metalsurface a direct short may result in instantheating of tools, damage to equipment, andinjury or death to personnel.GOpen air inlet doors (TM 9-2350-256-10).Reconnect switch panel to gage panel andmiscellaneous switches wiring harness to mainswitch panel. Disconnect wire 48 pin A frombulkhead to master relay wiring harness. Placered multimeter lead in socket A and black lead toground. Turn MASTER switch on and check forvoltage. If voltage is present, repair/replaceswitch panel, radio, and bilge pump to bulkheadwiring harness (see paragraph 6-53). If voltage isnot present, troubleshoot master relay circuit (seeparagraph 2-19, master relay fails to operate).H Place a jumper wire from pin N to socket N.Place red lead of multimeter in socket B of wire 16and black lead to ground. Turn MASTER switchon, UNLOCK and move main lighting switch inSER. DRIVE position, and check for voltage.Turn MASTER and main lighting switches OFF. Ifvoltage is present, go to step I. If voltage is notpresent, go to step J.IReconnect switch panel to gage panel andmiscellaneous switches wiring harness to mainswitch panel. Disconnect wire 16 of switch panelto gage panel and miscellaneous switches wiringharness from headlight and dimmer switch wiringharness. Place red lead of multimeter on maleconnector of wire 16 and black lead to ground.Turn MASTER switch on, UNLOCK and movemain lighting switch in SER. DRIVE position, andauxiliary switch in any position other than PARKand check for voltage. Turn MASTER and mainlighting switches OFF. If voltage is present,repair/replace wire 16 of headlight and dimmerswitch wiring harness (see paragraph 6-65). Ifvoltage is not present, repair/replace wire 16 ofswitch panel to gage panel and miscellaneousswitches wiring harness (see paragraph 6-55 fordual voltage; 6-56 for single voltage).2-277
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business