TM10-3930-660-20 Table 2-2. Electrical Troubleshooting (Cont’d) MALFUNCTION TEST OR INSPECTION CORRECTIVE  ACTION Check circuit for shorts, bad ground, or defective electrical components. Refer to the electrical schematic, page F/O-l. Step 2. Check for defective starter relay. Check if starter relay closes. If not, replace starter relay, para. 8-22. Step 1. Check continuity of gauge wiring harness, para. 8-46. Replace broken wires or tighten loose connections, para. 8-46. Step 2. Check for poor ground connection. Check for poor ground connection at sender. Step 3. Check  for  grounding  of  wire  between  gauge  and  sender. Inspect wire between gauge and sender for grounding. Refer to electrical schematic, page F/O-l. Step 4. Check gauge and sender for defects. Replace gauge and/or sender if defective, para. 8-3, and 8-36 through 8-39. 7. FUEL GAUGE AND LEVEL GAUGE  DO NOT WORK OR GIVE INACCURATE FUEL LEVEL READINGS Step 1. Check continuity of gauge wiring harness, para. 8-46. Replace broken wires or tighten loose connectional para. 8-46. Step 2. Check for poor ground connection. Make sure circuit has good ground connection at the sender. Refer to electrical schematic, page F/O-l. Step 3. Check for grounding of wire between gauge and fuel level sender. Inspect wire between fuel level sender and gauge for grounding. Refer to electrical schematic, page F\O-l. 2-15