TM 1-1520-238-T-5 8–82 8–16. PILOT AUX POWER INDICATOR ON DIM/TEST PANEL– DOES NOT LIGHT 8–16 Tools: Nomenclature Part Number Tool Kit, Electrical SC518099CLA06 Repairer’s Multimeter, Digital AN/PSM-45 Personnel Required: 68X Armament/Electrical Systems Repairer (2) References: TM 1-1520-238-T-6 TM 1-1520-238-23 WARNING Turn off power before detaching or attaching wires and connectors. High current 28 VDC or 115 VAC is present. Failure to do so could result in death or serious injury. 1. Check digital readouts of pilot engine instruments. Are any digital readouts lighted? YES Go to step 4. NO Go to step 2. 2. Check for 28 VDC at: P400–57 and P400–58, P401–57 and P401–58. Is voltage present? YES Go to step 6. NO Go to step 3. 3. Check for open between: P463–L and P400–57, P463–M and P400–58, P766–8 and P401–57, P766–10 and P401–58. Does open exist? YES Repair open wire. Go to paragraph 8–10. NO Refer to TM 1-1520-238-T-6 to troubleshoot circuit protection system (dc emergency bus – pilot station). 4. Check pilot dim/test panel for open between (A114): J1–1 and J1–2. Does open exist? YES Replace pilot dim/test panel (TM 1-1520-238-23). NO Go to step 5. 5. Check for open between: P787–1 and P400–20, P787–2 and P400–21. Does open exist? YES Repair open wire. Go to paragraph 8–10. NO Replace SDC (TM 1-1520-238-23). 6. Check for open between: P400–55 and ground, P400–56 and ground. Does open exist? YES Repair open wire between: P400–55 and GS254–J, P400–56 and GS254–K. Go to paragraph 8–10. NO Replace SDC (TM 1-1520-238-23). END OF TASK