Allison Transmission 3200 SP User Manual

9.0EXTERNALWIREHARNESSES,
VEHICLEINTERFACEMODULE,AND
RETARDERCONTROLS
9.1WIREHARNESSES
NOTE:Theexternalharnessconnectingtransmissioncontrolsis
partofthevehiclechassisharnessandtypicallywillnothavean
AllisonTransmissionpartnumber.Theharnesspartsareusually
onlyavailablethroughthevehiclemanufacturerandtheirvendors.
CheckwiththeOEMordealerrsttodeterminetheirwireharness
servicepartsavailability.AnyAllisondistributorordealercanassist
withdeterminingserviceabilityoftheexternalharnessaswell.The
internaltransmissionharnessinsidethetransmissionisanAllison
partandonlyavailablefromanAllisondistributorordealer.
Thetransmissioncontrolsrequiretheuseofwiringharnessestoconnectthe
varioussystemcomponents,including:
•TransmissionControlModule(TCM)
•Mainconnectoronthetransmission
•Enginespeedsensor
•Turbineshaftspeedsensor(4000Series)
•Outputshaftspeedsensor
•Serialcommunicationdatalink
•Shiftselector
•Diagnosticconnector
•Retardercontrols(ifequipped)
•Vehicleinterfacewiring
•ThrottlePositionSensor(TPS)(onlywithmechanicallycontrolled
engines)
•OptionalVehicleInterfaceModule(VIM)
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Allison Transmission 3200 SP Specifications

General

Enclosure Rating	IP67
Input Voltage	12/24 VDC
Operating Temperature Range	-40°C to +85°C
Communication Protocol	SAE J1939
Memory	Flash and EEPROM
Diagnostic Capabilities	fault code logging
Dimensions	Varies by model
Weight	Varies by model
I/O	Digital and Analog Inputs/Outputs
Type	Transmission Electronic Control Unit (TECU)