TM 10-4320-226-14(1) Apply 12 V dc to contacts 1 and 2 (ground) and check for continuity between its contacts 3/5 and 4/6.(2) Disconnect 12 V dc and measure for open circuit between its contacts 3/5 and 4/6g. Switch (Rheostat) R2.(1) Measure for open circuit between contacts 1 and 2 when switch is turned to the off position (fullycounterclockwise).(2)Turn switch on (clockwise) and attach multimeter leads to contacts 1 and 2. Note that resistance increasesfrom 0 to 100 Ohms as switch knob is turned from off to fully on position.h.Panel Lights (DS1 through DS5).(1) Briefly touch a 12 V dc source to terminal of each light assembly. All lamps should illuminate.i.As required, operate start system and check pressure gauges, ammeter and hourmeter/tachometer for correctoperations.Figure 4-42.1. Control Panel Wiring Harness (Model 350 PAWN).4-82.2 Change 2
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