W T E C I I I E L E C T R O N I C C O N T R O L S T R O U B L E S H O O T I N G M A N U A L
APPENDIX H INPUT/OUTPUT FUNCTIONS
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.
USES: Provides a convenient means of attaining 1st range hold for pushbutton shift selectors. Range to select is
programmable for Primary and Secondary modes.
VARIABLES TO SPECIFY:
Primary Mode selected range, Secondary Mode selected range (usually 1st range).
Can be used only on the MODE button.
Figure H2. D1 Selection