VOLTAGE TEST -726280467

TM 9-2320-364-20-1

Allow engine to cool before performing troubleshooting maintenance. If necessary use insulated pads

and gloves. Hot engine components will burn and cause injury to personnel.

Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical

circuits, a direct short may result. Damage to equipment, injury or death to personnel may occur.

VOLTAGE TEST

(1) Set multimeter select switch to

volts dc.

(2) Connect positive (+) multimeter lead

to vernier control harness connector

MC38, terminal C.

(3) Connect negative (- ) multimeter

lead to a known good ground.

(4) Turn ON ENGINE switch

(TM 9-2320-364-10).

(5) Are there 4.7 to 5.2 vdc present at

wire 916 at vernier control harness

connector MC38, terminal C and a

known good ground.

(a) If there are 4.7 to 5.2 vdc present,

repair wire 916 (see schematic

Fig 2-1) or notify DS

Maintenance and perform Steps

(9) through (11) below.

(b) If there are less than or more than

4.7 to 5.2 vdc present, perform

Step (6) below.

(6) Connect positive (+) multimeter lead

to vernier control harness connector

MC38, terminal A.

(7) Connect negative (- ) multimeter

lead to a known good ground.

(8) Are there 4.7 to 5.2 vdc present at

wire 952 at vernier control harness

connector MC38, terminal A and a

known good ground.

(a) If there are less than 4.7 vdc

present, turn OFF ENGINE

switch and repair wires 916

and/or 952 (see schematic

Fig 2-1) or notify DS

Maintenance and perform

Steps (9) through (11) below.

(b) If there are 5.2 vdc or more

present, perform Steps (9) and

(11) below and go to Step 6 of

this Fault.

(9) Turn OFF ENGINE switch.

(10) Connect vernier control harness

connector MC38.

(11) Install instrument panel and

sunshield with ten screws.

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