TM 1-1520-238-T-7 Change 5 11–410.3 11–116. MAN STAB INDICATORS ON – AUTO MODE DOES NOT ENGAGE AND STAB POS 11–116 INDICATORS DO NOT GO TO 25 2  ND (cont) 15. Detach : P991 from (A638)J3, P987 from (A637)J3, P996 from (L46)J996, P995 from (L46)J995. Check for open between: P991–T and P996–A, P991–A and P996–D, P991–B and P996–C, P987–T and P995–A, P987–A and P995–D, P987–B and P995–C. Does open exist? YES Repair open wire. Go to paragraph 11–88. NO Go to step 16. 16. Detach: P989 from (A638)J1, P985 from (A637)J1, P485 from (A323)J7, P1077 from (A329)J1. Check for open between: P989–M and P485–H, (A323)J7–H and (A323)XK1–1/2–A1, P989–L and P485–J, (A323)J7–J and (A323)XK1–1/2–C1, P985–M and P1077–d, P985–L and P1077–e, (A329)J1–e and (A329)XK1–1/2–C1, (A329)J1–d and (A329)XK1–1/2–A1. Does open exist? YES Repair open wire. Go to paragraph 11–88. NO Go to step 17. 17. Detach P991 from (A638)J3. Check for short between: P991–T and ground, P991–A and ground, P991–B and ground. Does short exist? YES Go to step 18. NO Go to step 19. 18. Detach P996 from (L46)J996. Check for short between: P991–T and ground, P991–A and ground, P991–B and ground. Does short exist? YES Repair shorted wire. Go to paragraph 11–88. NO Replace bottom STAB ACTUATOR (L46) (TM 1-1520-238-23). 19. Detach P987 from (A637)J3. Check for short between: P987–T and ground, P987–A and ground, P987–B and ground. YES Go to step 20. NO Go to step 21. 20. Detach P995 from (L46)J995. Check for short between: P987–T and ground, P987–A and ground, P987–B and ground. Does short exist? YES Repair shorted wire. Go to paragraph 11–88. NO Replace top STAB ACTUATOR (L46) (TM 1-1520-238-23). 21. Detach P991 from (A638)J3. Check for short between: P991–D and ground, P991–U and ground. Does short exist? YES Go to step 22. NO Go to step 23.