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.E Place red lead of multimeter on pin D of wire75/16 and black lead on pin L of wire 75. Checkfor continuity. If continuity is present, go to stepF. If continuity is not present, go to step I.FReconnect switch panel to gage panel andmiscellaneous switches wiring harness to mainswitch panel. Disconnect main lighting andmaster relay wiring harness from main lightingswitch. Place red lead of multimeter on pin C andblack lead on pin K. Check for continuity. Ifcontinuity is present, go to step G. If continuity isnot present, replace main lighting switch (seeparagraph 6-10).GPlace red lead of multimeter on pin A and blacklead on pin F. Check for continuity. If continuityis present, go to step H. If continuity is notpresent, replace main lighting switch (seeparagraph 6-10).2-286
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