TM 9-2320-365-34-2
Change 1 H-1
APPENDIX H
TRANSMISSION/TRANSMISSION CONTROLS ADAPTABILITY CHART
Section I. INTRODUCTION
H-1. INTRODUCTION
This appendix lists the various transmission controls and configuration modifications that may be required to permit
the transmission to function correctly. This appendix will guide the mechanic through the hardware selection process
by identifying compatibility issues between the transmission controls (WTEC II/WTEC III) and the numerous revisions
of the Allison MD3070PT transmission (PRE-ID w/ 24-pin connector, PRE-ID w/ 31-pin connector, TID 1, TID 2, and
TID 3). Refer to Figure 1. After replacing any component of the transmission controls or the transmission assembly,
perform calibration procedures in TM 9-2320-365-20-3 paragraph 8-2 or 8-3.
H-2. EXPLANATION OF COLUMNS
a. Column (1) - Installed Controls or Controls Being Installed. This column lists all of the variables concerning
which version of transmission controls are installed in the vehicle, or may need to be installed, to communicate
correctly with the transmission.
b. Column (2) - Installed Transmission or Transmission Being Installed. This column lists all of the various
revisions of the Allison MD3070PT transmissions that may be installed in the vehicle.
c. Column (3) - Required Modification. This column lists the various electrical interface (hardware) modifications
that may be required to allow the transmission controls to communicate with the transmission.
H-3. HOW TO USE THIS CHART
a. Determine which controls and transmission are installed in the vehicle.
b. Determine which component requires replacement.
c. Read across the row to column (3) to determine the required modification.
Section II.
TRANSMISSION/TRANSMISSION CONTROLS ADAPTABILITY CHART
(1)
Installed Controls or
Controls Being Installed
(2)
Installed Transmission or
Transmission Being Installed
(3)
Required Modification
(Refer to Section III)
WTEC II
(with 24-pin connector)
PRE-ID w/ 24-pin connector
(transmission serial number prior to
6510032369)
No modification required.
WTEC II
(with 24-pin connector)
PRE-ID w/ 31-pin connector
(transmission serial number
6510032369 to 6510090785)
Install 31-pin connector.
WTEC II
(with 24-pin connector)
TID 1
(transmission serial number
6510090786 to 6510142171)
Install 31-pin connector.
WTEC II
(with 24-pin connector)
TID 2
(transmission serial number
6510142172 to 6510262116)
Install 31-pin connector and replace
transmission internal wiring harness.
