Class1 Electronic Fire Commander - Manual (Page 6)

Unofficial
Electronic Fire Commander (EFC) Wiring
M
ATING
C
ONNECTOR
1: DT06-4S
C AVITY C IRCUIT D ESCRIPTION DDC# EFC I NPUT /O UTPUT
A-1 DDEC Ignition Power 439 (+) System Power
A-2 DDEC Accessory Ground 953 (-) System Ground
A-3 DDEC #900 Data Link (+) 900 J1587 Serial Link
A-4 DDEC #901 Data Link (-) 901 J1587 Serial Link
M ATING C ONNECTOR 2: DT06-12S
C
AVITY
C
IRCUIT
D
ESCRIPTION
DDC#/PORT EFC I
NPUT
/O
UTPUT
B-1 DDEC PGS Mode Select 523/H1 Output (ground) to DDEC
SIGNALS DDEC TO TOGGLE BETWEEN PRESSURE AND RPM MODE
B-2 OEM Interlock POS Input ----- Input (+12 VDC) from OEM
PARKING BRAKE
/
NEUTRAL
(
THROTTLE READY LED
)
B-3 cavity plug ----- No Connection
B-4 DDEC PSG-PSI Mode Active 499/F3 Input (ground) from DDEC
GROUND FROM DDEC WHEN PSG PRESSURE MODE IS ACTIVE
(
PRESSURE LED LIGHTS
)
B-5 DDEC PSG Enable 543/G2 Output (ground) to DDEC
GROUND TO DDEC TO TURN CRUISE CONTROL
(
PSG
)
ON
(
CRUISE ON
/
OFF CONTROL
)
B-6 DDEC PSG Increase 545/G3 Output (ground) to DDEC
GROUND TO DDEC TO INCREASE RPM / PRESSURE ( RESUME / ACCEL INCREASE )
B-7 DDEC PSG Decrease 541/J1 Output (ground) to DDEC
GROUND TO DDEC TO DECREASE RPM
/
PRESSURE
(
SET
/
COAST DECREASE
)
B-8 DDEC Cruise Active ----Y3 Input (ground) from DDEC
GROUND FROM DDEC TO EFC WHEN CRUISE CONTROL
(
PSG
)
SYSTEM IS ACTIVE
B-9 ALARM ----- Output (ground) to Alarm
B-10 OK to PUMP Interlock POS Input ----- Input (+12 VDC) from OEM
PTO ENGAGED
/
PUMP ENGAGED
B-11 cavity plug ----- No Connection
B-12 Low Fuel ----- Input (ground) from OEM
DDC circuit numbers and port assignments shown are typical but can differ from application to application.
MANUALS\EFC\ EFC _ OPS . PM 65..022798