TM 5-2420-231-23-1
0011
Table 1. Hard Start in Cold Temperatures (50F or Below) - Continued.
011
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
NOTE
Hard Start in Cold
Temperatures (50F or
Do not crank engine for more than 30 seconds.
Below) - Continued
3. Crank engine (TM 5-2420-231-10).
4. Using a digital multimeter, mea-
Voltage 10 to 14 Volts - Proceed to
sure voltage between heater grid
step 10.
controller wiring harness connec-
Voltage Less Than 10 Volts - Proceed
tor (WP 0007, Figure 11) terminal
to step 5.
5 and machine ground. Voltage
should be 10 to 14 volts.
5. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10).
6. Disconnect heater grid relay (Fig-
ure 15, Item 1) from heater grid
relay wiring harness connector
(Figure 15, Item 4).
7. Disconnect cold start relay wiring
harness connector (Figure 15,
Item 3) from cold start relay (Fig-
ure 15, Item 2).
Figure 15. Heater Grid Relay and Cold Start Relay.
0011