TM 5-3805-261-20SENDING UNITS AND WARNING SWITCHES TROUBLESHOOTING AND MAINTENANCE PROCEDURES.(cont)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTIONc.COOLANT TEMPERATURE SWITCH DOES NOT OPERATE. (cont)If the temperature is within operating range--replace coolant temperature switch. Refer to paragraph 7-93.d.FUEL PRESSURE SWITCH DOES NOT OPERATE.Check fuel pressure with a pressure gage of known accuracy installed in the fuel line (Figure 7-138).Figure 7-138If the fuel pressure switch is damaged or defective--replace. Refer to paragraph 7-94.7-218
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