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<p>PARTS CATALOG PC2456EN ALLISON 4000 PRODUCT FAMILY PARTS CATALOG 15-WT-05, Rev. B December, 2006 Product Code(s): 65,66 Page 2 of 38 Each of these product changes will be discussed in greater detail below. There are several compatibility issues between WTEC III and Allison 4th Generation Controls transmissions. Please read this information completely to avoid potential mismatches between former and current 3000 and 4000 Product Families transmission components. Figure 1 illustrates the external components that make up the Allison 4th Generation Controls system. The vehicle OEM is responsible for the specific external wiring harness and electrical connectors. A complete system overview and extensive troubleshooting information can be found in the Allison 4th Generation Controls Troubleshooting Manual (TS3989EN). TRANSMISSION CONTROL MODULE (TCM) ALLISON DOC™ FOR PC VEHICLE INTERFACE MODULE DIAGNOSTIC J1939 CONNECTOR (VIM) TOOL CONNECTOR VIW CONNECTOR (OPTIONAL) ALLISON DOC™ DEUTSCH 9-PIN FOR PDA DIAGNOSTIC TOOL CONNECTOR VIM CONNECTOR CONNECTOR (OPTIONAL) RETARDER ACCUMULATOR COMPACT CONNECTOR PUSHBUTTON RETARDER SELECTOR MODULATION TRANSFER CASE CONNECTOR REQUEST (RMR) (3000 PRODUCT FAMILY 7- SPEED) CONNECTOR SENSOR HARNESS CONNECTOR (OPTIONAL) OUTPUT SPEED SENSOR REMOTE LEVER CONNECTOR SELECTOR SHIFT SELECTOR CONNECTOR RETARDER TEMP. SENSOR CONNECTOR (3000 PRODUCT FAMILY) THROTTLE POSITION SENSOR (TPS) TURBINE REMOTE CONNECTOR SPEED SENSOR ENGINE PUSHBUTTON CONNECTOR SPEED SELECTOR (4000 PRODUCT SENSOR THROTTLE FAMILY) CONNECTOR POSITION SENSOR (TPS) * Bulkhead Connector (Optional) RETARDER "PCS5" STRIP PUSHBUTTON SOLENOID SHIFT SELECTORS CONNECTOR (EUROPEAN OEM) 20-WAY TRANSMISSION FEEDTHROUGH HARNESS NOTE: Illustration is not to scale. Actual harness CONNECTOR configuration may differ from this illustration. V09274.00.00 Figure 1. SIL-290 Copyright 2009 Allison Transmission, Inc. 20091001</p>