SENDING UNITS AND WARNING SWITCHES TROUBLESHOOTING AND MAINTENANCE PROCEDURES.
TEST OR INSPECTION
COOLANT TEMPERATURE SWITCH DOES NOT OPERATE. (cont)
If the temperature is within operating range--replace coolant temperature switch. Refer to paragraph 7-93.
FUEL PRESSURE SWITCH DOES NOT OPERATE.
Check fuel pressure with a pressure gage of known accuracy installed in the fuel line (Figure 7-138).
If the fuel pressure switch is damaged or defective--replace. Refer to paragraph 7-94.