Class1 Throttle Information Reference - Manual (Page 17)

17 e:\manuals\throttles\LDSBBT.p65
DDEC
ECM Information
Vehicle Interface Harness Connector
Wire Cavity Polarity Function
417 D-2 0-5 VDC LSG Cab Throttle
419 B-1 GND Check Engine Light
439 B-3 12 VDC Switched Ignition
451 E-1 GND Fan Override
509 B-2 GND Stop Engine Light
510 D-1 0-5 VDC VSG remote throttle
555 A-2 GND (Fan Control #1
749 D-3 0-5 VDC H2O PSI
900 C-2 digital J-1587 +
901 C-1 digital J-1587 -
916 A-3 5 VDC Sensor Supply
952 C-3 GND Sensor Ground
Ignition Connector
440 A 12 VDC BATT +
953 B GND BATT -
There are several digital inputs and outputs on the VIH connector that are programming
specific
Their usage includes fan override, cruise control, pressure sensor governor, throttle inhibit,
etc.
The VIH connector is a metri-Pack