TM 5-3805-258-24-1O P E R A T O R ’ S S T A T I O NI N D I V I D U A L C I R C U I T D E S C R I P T I ONS Y S T E M S O P E R A T I O NINDIVIDUAL CIRCUIT DESCRIPTIONWARNINGWith the main disconnect switch in the ON position but with the mainpower (key) switch OFF, there is still power at many harness andcomponent connections. The main power relay, the start relay, theengine stop relay, and the key switch all have a connection that haspower when the main power (key) switch is OFF. Caution must be usedwhen a testis made of these circuts. If a wire with battery voltage is putto ground, it can cause damage to electrical components. There can beenough heat to cause burns to the serviceman.CIRCUIT THAT HAS POWER WITH MAIN POWER (KEY) SWITCH OFF3-149
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