TM 9-2350-277-20-1 INTRODUCTION TO HOW TO USE TROUBLESHOOTING—Continued 0005 00 ’ ’ This is the procedure you want. TM 9-2350-277-20-1 ENGINE CRANKS SLOWLY 0020 00 INITIAL SETUP: Maintenance Level References Unit See your-10 Tools and Special Tools General mechanic stool kit: automotive    (WP 0926 00, Item 65) STE/ICE-Rtest set (WP 0926 00, Item 61) Personnel Required Unit Mech 63T10 Helper (H) Equipment Condition Engine stopped (see your-10) Vehicle blocked (see your-10) 1. Perform STE/ICE test 67 battery voltage (WP 0124 00). 2. Does VTM read 22 volts or more? T NO YES 1. Clean, inspect, or replace carrier     batteries (see your-10). 2. Verify no faults found. TN Y 1. Repeat STE/ICE test 67 with engine cranking for 3 to 5     seconds (WP 0124 00). 2. Does VTM read 19.2 volts or more? YES NO YN 1. Go to: STE/ICE test 73 and 75     (WP 0130 00). 2. Verify no faults found. GO TO BY (PAGE 0020 00-2) NO 2Y 1. Perform STE/ICE test 68 starter positive terminal voltage     (WP 0125 00). 2. Does VTM read 19.2 volts or more? YES 3Y 2. Does VTM read 0.5 volts or less? 1. Perform STE/ICE test 69 starter negativecable voltage drop l     (WP 0126 00). YES 0020 00-1 NO 3YN 1. Repair grounds (WP 0382 00), as     necessary , o r replace starter     ground strap (WP 0259 00), or     ground strap from battery to     shunt (WP 0337 00), or ground     strap from shunt to hull     (WP 0870 00). 2. Verify no faults found. 0005 00-5 TM 9-2350-277-20-1 MALFUNCTION/SYMPTOM INDEX WP 0006 00 ENGINE SYSTEM WP 0014 00 WP 0015 00 WP 0016 00 WP 0017 00 WP 0018 00 WP 0019 00 WP 0020 00 WP 0021 00 WP 0022 00 WP 0023 00 WP 0024 00 WP 0025 00 WP 0026 00 ELECTRICAL SYSTEM WP 0029 00 WP 0030 00 WP 0031 00 WP 0032 00 WP 0033 00 WP 0034 00 WP 0035 00 WP 0036 00 WP 0037 00 WP 0038 00 WP 0039 00 WP 0040 00 WP 0041 00 WP 0042 00 WP 0043 00 WP 0044 00 WP 0045 00 INSTRUMENT & WARNING LIGHT PANEL INDICATORS 0006 00-1 WP 0048 00 WP 0049 00 WP 0050 00 WP 0051 00 WP 0052 00 ENGINE OVERHEATS....................................................................................................................... ENGINE OVERCOOLS....................................................................................................................... ENGINE DOESN T CRANK................................................................................................................ ENGINE DOESN T START (COLD WEATHER ONLY)..................................................................... WAIT INDICATOR FLASHES DURING START ATTEMPTS (PREGLOW   OR AFTER GLOW)........................................................................................................................... WAIT INDICATOR DOESN T LIGHT................................................................................................. ENGINE CRANKS SLOWLY.............................................................................................................. ENGINE CRANKS BUT WILL NOT START....................................................................................... ENGINE CRANKS BUT WON T START BELOW 40 FAHRENHEIT (AIR   BOX HEATER IS USED)................................................................................................................... ENGINE CRANKS BUT WON T START BELOW 40 FAHRENHEIT   (GLOW PLUGS ARE USED)............................................................................................................. ENGINE RUNS ROUGH, STALLS OR DOESN T PUT OUT FULL   POWER............................................................................................................................................. GENERATOR MALFUNCTIONS AS INDICATED BY BATTERY/   GENERATOR INDICATOR.............................................................................................................. ENGINE OIL LOW PRESSURE INDICATOR COMES ON................................................................ NO EXTERIOR LIGHTS OPERATE.................................................................................................... BLACK OUT DRIVE LIGHT DOESN T WORK................................................................................... SERVICE HEADLIGHTS DON T WORK............................................................................................. INFRARED HEADLIGHT(S) DON T WORK....................................................................................... SERVICE AND/OR BLACKOUT STOP LIGHTS MALFUNCTION..................................................... BLACK OUTMARKER LIGHT DON T WORK.................................................................................... SERVICE TAIL LIGHT DOESN T WORK........................................................................................... TRAILER LIGHTS DON’T WORK....................................................................................................... HORN DOESN’T WORK. .................................................................................................................... INSTRUMENT PANEL AND/OR TRANSMISSION CONTROLLER   ILLUMINATION LIGHTS MALFUNCTION....................................................................................... DOME LIGHT(S) DON T WORK.......................................................................................................... DOME LIGHTS MALFUNCTION (M577A3 ONLY)............................................................................. BLACK OUT DOME LIGHTS DO NOT WORK................................................................................... RIGHT REAR UTILITY OUTLET/ADMITTANCE BUZZER WORKS   IMPROPERLY (M577A3 AND M1068A3 ONLY)............................................................................... LEFT REAR UTILITY OUTLET/BLOWER DOES NOT WORK (M577A3   AND M1068A3 ONLY)........................................................................................................................ RADIO(S) DON’T WORK..................................................................................................................... SMOKE GRENADE LAUNCHER(S) MALFUNCTION (M113A3,   M901A3, M981A3, AND M1059A3 ONLY)......................................................................................... MASTER SWITCH ON INDICATOR DOESN’T LIGHT....................................................................... FUEL LEVEL INDICATOR MALFUNCTIONS..................................................................................... HIGH BEAM INDICATOR LIGHT DOESN’T WORK........................................................................... BATTERY/GENERATOR INDICATOR MALFUNCTIONS.................................................................. PARKING BRAKE INDICATOR MALFUNCTIONS.............................................................................