Copyright © 1998 General Motors Corp. P–33
WTEC II ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
APPENDIX P — INPUT/OUTPUT FUNCTIONS
WARNING!
These schematics show the intended use of the specified controls features which
have been validated in the configuration shown. Any miswiring or use of these
features which differs from that shown could result in damage to equipment or
property, personal injury, or loss of life. ALLISON TRANSMISSION IS NOT
LIABLE FOR THE CONSEQUENCES ASSOCIATED WITH MISWIRING
OR UNINTENDED USE OF THESE FEATURES.
OUTPUT SPEED INDICATOR — A
USES: To signal that the transmission output shaft has exceeded a specified value.
VARIABLES TO SPECIFY: Rpm to turn output ON and to turn output OFF. The ON value must be higher than
the OFF value.
VOCATIONS: Various
Figure P–32. Output Speed Indicator — A
F2
NC
COM
VIM
Relay shown de-energized
SWITCHED
POWER
WIRE 112 OVERSPEED INDICATOR
NO
F3
V05036
ECU
TRANSMISSION
OR VEHICLE
OVERSPEED
INDICATOR