TM 9-2350-247-20-1ENGINE CRANKS BUT WILL NOT S TART BELOW 4 0F (AIR BOX HEATER ISUSED)—Continued0015 003CY1. Install ignition wire on igniter.2. Remove air box heater harness plug (1) from ignition coil (2).3. Turn MASTER SWITCH ON.4. Turn air box heater switch ON (see your -10).5. Measure voltage between air box heater harness plug sockets A(+) and B (-).6. Does multimeter read less than 17 volts?YESNO3CYN1. Replace ignition coil (WP 0184 00 orWP 0185 00).2. Verify no faults found.4CY1. Release air box heater switch.2. Turn MASTER SWITCH OFF.3. Install ignition wire on coil.4. Did multimeter read less than 17 volts?YES0015 00-8DY
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