TM-9-2320-361-20 Page 224

TM-9-2320-361-20 Unit Maintenance Manual for M44A2 Series Trucks

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