TM 5-3805-262-203-26. SIGNALING DEVICES TROUBLESHOOTINGMALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION1. BACK-UP ALARM DOES NOT SOUND (OTHER CIRCUITS OPERATING OKAY).Disconnect violet-red wire spadeterminal from wire lead terminalof back-up alarm switchi n s t a l l e d i n t r a n s m i s s i oncontrol valve by graspingterminals with your fingers andfirmly pulling them apart.Connect multimeter betweenviolet-red wire terminal andchassis frame.Check that multimeter indicates2 4 v o l t s.a. If multimeter does not indicate24 volts, check violet-redwire between loader 30 ampere circuit breaker and back-up alarmStep 1.switch for open condition. Repair or replace wire as necessary(page 5-174).b. If multimeter indicates 24 volts, go to step 2 below.Step 2.Engage transport/service link (page 9-8).Disconnect black-red wire spade terminal from wire lead terminal ofback-up alarm switch installed in transmission control valve bygrasping terminals with your fingers and firmly pulling them apart.3-196
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