Solenoid and Starting Motor Operate; Engine Cranks Slowly . Continued

TM 5-2410-233-23

TROUBLESHOOTING PROCEDURES - CONTINUED

0006 00

Table 6. Electrical System Troubleshooting Procedures - Continued.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

c. Crank engine and observe 1. If voltage is low, place battery

Solenoid and Starting Motor Operate;

disconnect switch in OFF

voltage reading on meter.

Engine Cranks Slowly - Continued.

position and clean and tighten

Voltage should exceed 22

starting

motor

terminal

volts.

connections.

2. If problem still exists, go to

Table 6, Malfunction 6, Test 4.

4. Perform voltage drop test on

starting

motor-to-solenoid

a. Connect meter negative

lead to positive terminal on

starting motor and meter

positive lead to MTR

terminal on solenoid.

b. Crank engine and observe If voltage reading exceeds 0.1

meter.

volt, place battery disconnect

switch in OFF position and clean

and tighten starting motor-to-

solenoid connections. Replace if

broken.

MTR

(+)

(-)

BAT

386-493

0006 00-37