TM 1-1520-238-T-4 6–71 6–14. DRIVE SYSTEM – WIRING INTERCONNECT DIAGRAM (cont) 6–14 PRI P 0 - 1.5  VAC P D E A B C F G H MT14 RTN RTN YELLOW J 0-10 VDC OUT YELLOW MT13 0 - 10 VDC OUT RTN RTN T4 YELLOW ORANGE P P P P P BLACK WHITE R A25 N SEC T1 ROTOR SPEED GREEN 28 VDC BLUE T4 K YELLOW IN OIL SYSTEM 1 TEMP TRANSDUCER BLUE P P RED RED BLUE BLUE IN T4 28 VDC L7 (NOTE 11) L7 SP2 RTN BLUE P/O MAIN TRANSMISSION T4 28 VDC IN S1 SOL 1 V1 NORM J755 7 3 N 8 31 30 32 24 P 22 ORANGE 12 9 5 3 23 11 10 J 2 6 4 H P755 J910 - ISOLATION XFMR GREEN BLUE R^OUT RTN P GS572 P P K 1 GS572 M58-014-10B SHEET 10 OF 11 APU SPEED SEQUENCE TEMP CONTROL (NOTE 9) A12 J910 - A13 W211 AR(9) AM(9) AP(9) AN(9) AL(9) AE(10) AD(10) AS(9) P END CAP END CAP (HS) L7 SP1 (HS) W110 OPEN L8 RTN 28 VDC IN S2 SOL 2 V2 NORM FLOAT DIVERTER VALVE OIL SYSTEM 2 SUMP UNIT OPEN OIL SYSTEM 2 TEMP TRANSDUCER SENSOR FLOAT DIVERTER VALVE OIL SYSTEM 1 SUMP UNIT AK(9)