CHAPTER 2: VEHICLE MAINTENANCE INSTRUCTIONS TM 9-2350-256-202-19 ELECTRICAL TROUBLESHOOTING-ContinuedSERVICE STOPLIGHT-ContinuedWARNINGRemove 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.J Reconnect wire 75/16 to stoplight switch.Disconnect wire 75 from stoplight switch. Placered lead of multimeter on wire 75 of stoplightswitch and black lead to ground. Turn MASTERswitch on, UNLOCK and place main lightingswitch in SER. DRIVE position, depress stoplightswitch, and check for voltage. Turn MASTER,main lighting, and stoplight switches OFF. Ifvoltage is present, repair/replace wire 75 of switchpanel to gage panel and miscellaneous switcheswiring harness (see paragraph 6-55 for dualvoltage; 6-56 for single voltage). If voltage is notpresent, replace stoplight switch (see paragraph 6-23).K Reconnect switch panel to gage panel andmiscellaneous switches wiring harness to mainswitch panel. Install main switch panel (11), flatwasher (10), ground lead (9), three lockwashers(8), and three screws (7). Open air inlet doors.Disconnect wire 48 pin A from bulkhead to masterrelay wiring harness. Place red multimeter lead insocket and black lead to ground. Turn MASTERswitch on and check for voltage. If voltage ispresent, repair/replace switch panel, radio, andbilge 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).2-288
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
