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TM 5-4210-233-14&P-1
Table 4-2. Unit Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ELECTRICAL SYSTEM - PUMP PANEL - Continued
4
PUMP PANEL TACHOMETER DOES NOT FUNCTION PROPERLY
(Refer to Electrical Wiring Diagrams, Appendix H, Sheets 6 of 16.)
Step 1.
Check gauge.
Replace gauge (see para 4-20).
Step 2.
Check for +12V at circuit breaker #1 on ignition accessory buss.
Replace breaker (see para 4-99).
Step 3.
Check pulse generator.
Replace pulse generator (see para 4-9.4).
Step 4.
Check wiring for continuity.
Replace wire (see para 4-9).
5
PUMP PANEL VOLTMETER (12V) DOES NOT FUNCTION PROPERLY
(Refer to Electrical Wiring Diagrams, Appendix H, Sheets 6 of 16.)
Step 1.
Check fuse.
Replace fuse (see para 4-9.4).
Step 2.
Check gauge.
Replace gauge (see para 4-18).
Step 3.
Check wiring for continuity.
Replace wire (see para 4-9.4).
6
PUMP PANEL FUEL GAUGE DOES NOT FUNCTION PROPERLY
(Refer to Electrical Wiring Diagrams, Appendix H, Sheet 6 of 16.)
Step 1.
Check sender.
Replace sender (see para 4-168).
Step 2.
Check gauge.
Replace gauge (see para 4-18).
4-118
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