TM 1-1520-238-T-7 Change 5 11–409 11–116. MAN STAB INDICATORS ON – AUTO MODE DOES NOT ENGAGE AND STAB POS 11–116 INDICATORS DO NOT GO TO 25 2  ND Tools: Nomenclature Part Number Tool Kit, Electrical SC518099CLA06 Repairer’s Multimeter, Digital AN/PSM-45 Extractor, Relay CTJ-RO6 Personnel Required: 68X Armament/Electrical Systems Repairer One person to assist References: TM 1-1520-238-23 TM 1-1520-238-T-6 Equipment Conditions: Ref Condition TM 1-1520-238-23 Access provisions – L325, T290L and T290R doors open 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. Open STAB MAN DC (A76)CB6, STAB AUTO DC (A76)CB3, STAB AUTO AC (A76)CB2, and ENG WARN (A76)CB52 circuit breakers. Detach P1077 from (A329)J1. Check for short between P1077–R and ground. Does short exist? YES Go to step 2. NO Go to step 3. 2. Detach J908 from P908. Check for short between: P1077–R and ground, P908–A5 and ground. Does short exist? YES Repair shorted wire. Go to paragraph 11–88. NO Troubleshoot pilot and CPG CAUTION/WARNING system (TM 1-1520-238-T-6). 3. Detach: P2 from (A402)J2, P427 from (A402)J28, P431 from (A402)J27, P485 from (A323)J7, P985 from (A637)J1, P989 from (A638)J1. Check for open between: STAB AUTO DC (A76)CB3 and P2–f, (A402)J2–f and (A402)TB2–22–A, (A402)TB2–22–D and (A402)J27–B9, (A402)TB2–22–C and (A402)J27–B11, (A402)TB2–22–E and (A402)J28–C, (A402)TB2–22–F and (A402)J28–D, P427–D and P485–E, (A323)J7–E and (A323)XK1–1/2–B2, (A323)XK1–1/2–B1 and (A323)J7–K, P485–K and P985–G, P427–C and P485–L, (A323)J7–L and (A323)TB2–3–A, (A323)TB2–3–D and (A323)J7–V, P485–V and P1077–a, (A329)J1–a and (A329)XK1–1/2–B2, (A329)XK1–1/2–B1 and (A329)J1–n, P1077–n and P989–G, P431–B9 and P989–E, P431–B11 and P985–E. Does open exist? YES Repair open wire. Go to paragraph 11–88. NO Go to step 4.