TM 1-1520-238-T-4 4–71 4–14. POWER PLANTS – WIRING INTERCONNECT DIAGRAM 4–14 H G P748 J A402 GS5 J2 A3 A1 X1 X2 F A2 A2 B1 A1 A3 X1 B10 J20 P433 X2 J27-B6 T K E F N A16 A11 A2 P/O PILOT CENTER CIRCUIT BREAKER PANEL A76 W (NOTE 13) (NOTE 12) J P/O ELECTRICAL POWER DISTRIBUTION BOX 28 VDC OUT 28 VDC OUT 28 VDC OUT TB2 - 8 ENG START (NOTE 12) 28 VDC OUT J27-B5 B3 K4 - 7 XK4 - 7 J21-A10 ENGINE ANTI - ICE B2 ECS VALVE RELAY TB2 -  7 - E K2 - 9 / 10 TIME DELAY RELAY (NOTE 12) ENG 2 START RTN P/O MULTI - CHANNEL DIMMING CONTROLLER TB2 - 10 - M ECS A403 ENG 1 START RTN XK2 - 9 / 10 TB2 - 7 - M J TB2 - 10 J1 P463 CB58 5A J15 A2 P438 J21 M58-018-1B SHEET 1 OF 21 28 VDC EMERG DC BUS W118 W119 W119 W119 H H(2) G(2) F(7) E(5) C(2) D(7) B(2) P439 TB2 - 10 - K (NOTE 14) TB3 - 9 - F TB2 - 7 - F (NOTE 15) ECS (NOTE 15) ANTI-ICE (NOTE 14) ENGINE ECS (NOTE 15) GS7 F ECS (NOTE 15) W668 W119 W605 X A(4) 1 2 1