TM-9-2320-361-20

2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)

TECHNICAL MANUAL; UNIT MAINTENANCE

OCTOBER 1991

TM-9-2320-361-20 - Page 224 of 1207

TM 9-2320-361-20

Table 2-4. Electrical Troubleshooting (Contd).

MALFUNCTION

TEST OR lNSPECTlON

CORRECTIVE ACTION

Test 6. Test continuity of ignition coil.

Step 1. Disconnect both input and output leads of ignition coil.

Step 2. Set multimeter to RX100 scale.

Step 3. Touch multimeter negative lead to pin sB (neg) of ignition coil.

Step 4. Touch multimeter positive lead to pin A (pos) of ignition coil.

a. Continuity should be present. If continuity is present, go to step 5.

b. If continuity is not present, replace ignition coil (para. 3-30 or 3-31).

Step 5. Test continuity of ignition coil output.

Step 6. Touch multimeter negative lead to pin B (neg) of ignition coil.

Step 7. Touch multimeter positive lead to contact end at ignition coil output.

a. If continuity is present, go to test 7.

b. If continuity is not present, replace ignition coil (para. 3-30 or 3-31).

2-139