12345678N M L K J I H G F E D C B APart No. 102521 S-40 • S-45 6 - 71October 2013 Section 6 • SchematicsGround Control Box Wiring DiagramFord LRG-425 EFI Models(before serial number 7597)ENGINEC5BRN GNDWH-23CBK-22CBR-GND STUD12V TO PLATC1BFUNCTIONSC6 C3B19/18 CABLESC2B C4B32C7B 1CR23RD C4B-11RD C4B-12RD-CB3 SPALL BR WIRESBRGROUND STUDGROUND STUDDRIVE LIGHT OPTION RELAY12 VCHECK ENGINECHECK ENGINE SWITCHJIB BOOM UP/DOWN SWITCHENGINE START SWITCHEMERGENCY STOP BUTTONAUXILIARY SWITCHDESCRIPTIONFUNCTION ENABLEPLATFORM LEVEL SWITCHVOLT METER GAGEOIL PRESSURE GAGEWATER TEMP. GAGETURNTABLE ROTATE SWITCHPLATFORM ROTATE SWITCHPRIMARY BOOM UP/DOWN SWITCHCIRCUIT BREAKER, CONTROLS, 15ACIRCUIT BREAKER, ENGINE, 15ABOOM EXTEND/RETRACT SWITCHRESISTOR, 7.5 OHM,TURNTABLE FUNCTG3L2G1G2LABELTS22HMR2CB2CB1TS62TS58TS63TS61HOUR METERTS52TS59TS57TS55KS1TS51P1KEY SWITCH32WH/RD-C1B-611BL/BK-C3B-11BL-C3B-10BK/WH-C3B-8BK/RD-C3B-9RD/WH-C3B-3WH-C3B-4WH/BK-C3B-5WH/RD-C3B-6BK-C3B-7RD-C3B-1RD/BK-C3B-2RD-C6-1DBK/WH-C6-8WH/BK-C6-5RD/WH-C6-3WH- C6-4WH/RD-C6-6BK- C6-7RD/BK-C6-2C B6231548710944B-RD/BK-C6-19WH/BK-C1B-5WH-C1B-4RD/WH-C1B-3RD-C1B-1WH-C7BRD/BK-C1B-2GR/WH-C4B-7GR/BK-C4B-6BK-C7BWH-C5-3+C6-34GR-C4B-5OR/RD-C4B-4OR-C4B-2OR/BK-C4B-3BL/RD-C4B-1BL/WH-C3B-12GR/BK-C6-18WH-CR2#87GR- C6-17BL/RD-C6-13RD- C6-23WH-C5-11RD- C6-27BK-CR5#30WH-S.P.16131215141918172120WH-TS22#5RED-CR1#30RD-ISM#424232225262928273031GR/BK-C2B-6GR/WH-C2B-7OR/BK-C2B-3BL/RD-C2B-1OR-C2B-2OR/RD-C2B-4BK/RD-C1B-9BK/WH-C1B-8BL/BK-C1B-11BL-C1B-10BL/WH-C1B-12BK-C1B-7BK/RD-C5-9BK/WH-C5-10OR- C6-40OR/BK-C5-2GR/WH-C6-3942BK-CR1#85373433353639384041D5444345RD-S.P.TURN. ROT. RPRI. BOOM DOWNPRI. BOOM F.C.TURN. ROT. LTURN. ROT. F.C.BOOM EXTENDBOOM RETRACTPRI. BOOM UPWH/RD-S.P.RD/WH-S.P.WH/BK-S.P.RD/BK-S.P.WH-S.P.BK/WH-S.P.BK-S.P.JIB VALVEPLAT. LEVEL. UPPLAT. LEVEL DN.PLAT. ROT. L.PLAT. ROT. R.DRV. ENA. LT.IGNITION PWR.OR/BK-S.P.OR-S.P.GR/WH-SPGR/BK-S.P.GR-S.P.TILT ALARME.D.C.+E.D.C.-AUX. PWR.KEYSWITCH PWR/FBPWR. TO PLAT.ENGINE POWERWH/BK-S.P.WH/RD-S.P.RD-S.P.WH-S.P.BK-S.P.RD-S.P.SPARELIMIT SWITCH SIG.GLOW PLUGSTEER LEFTRPMSTEER RIGHTCHECK ENGINESTARTPULSE PICKUPBK/WH-S.P.BK/RD-S.P.BK-S.P.BL/RD-S.P. L.P.GEN. OPTIONSPAREHORNBRAKE/TRAVEL ALARMOIL PRESSURE SENDERWATER TEMP. SENDERBL- C6-36BL/BK-C6-37RD/BK-C6-28OR- C6-14OR/BK-C6-15LIMIT SWITCH POWER46SPARETS53LP/GAS SWITCHWH/BK-C5-20WH- C5-21WH/RD-C5-23 WH/RD-C6-32GR-C2B-5 GR-CR5#85PART #P1KS116397130375645713037130374273013037CB1CB24273016397163971303756298G3G2G1R2HMCB3CB3CIRCUIT BREAKER, OPTIONS, 20ABL/WH-C6-30TS63TS58GR/BK-18AWIRINGTO BASEHARNESS:GR/WH-19AGR-17AOR-14AOR/BK-15ARD- P1 E-STOPRD- 20BTS55RD- 24ARD- 20ABK/RD-35AD13TS52GR/BK-18AGR/WH-19ARD-CR17#30RD- 20CGR-17AD14GR/BK-44ABK-33ABK/WH-8ABK-7ACB2CB1R2CB3BR (GROUND)HMRD/WH-3ARD/BK-2ARD-1ABR (GROUND)WH-21AL2RD-27ARD-42AWH-23ARD-CB2NCNCP1BK-22AWH/BK-25AWH/RD-26AKEY SWITCHBB11243RDKS1WH-21AG1 G2TS59TS57TS62TS61TS51G3BL/RD-39ATS53AGR/BK-2B GR/BK-SPR1R1RESISTOR, 5 OHM, BOOM FUNCTIONR1BL - C5-13GR/BK C2B-6WH/RD-C5-14WH/BK-C5-16BL/WH-C5-13BL/WH-ISM#10 BL/WT-S.P.BK-ISM#3D6RD- C5-1BK-ISM#1TS22BR-R1BR-GNDBK/RD-C5-12CHECK ENGINE TOGGLE SWITCHBK-C5-5451263WH CR2#87WH-C5-17BLK-33BWH-23BWH-ISM#7WH-TS22#4WH-21BRD-ISM#6WH-ISM#9RD-24BCR1 CR2BK-C6-16CR5BK-22BGR-43DCR17OR-C6-33RD-CB3 SPBK-C6-25BR-GND+C6-26L45OR/RD-H6-RD-H6+RD-C23-6BL/WH-ISM#10IGN./STARTMODULEAUX. ON4WH-CR2#86WH-TS22#6RD-CR2#30BR-GND.KEY BYPASSENG. FAULTIGN./FUEL ON1089675BATTERYKEY PWR.GROUNDRD-27BBK-33BOR/BK-41BBK-CR1#86TACHOMETERSTART INPUTSTART RELAY321BK/WH-38BProperty of American Airlines
