Allison WT3, 1000/2000, & GEN4 Reference drawings and CSS Forms WT3 Input Harnesses - Includes Form Shifter Transmission Transmission - Speed Line Configurations Vehicle CSS Forms - Transmission, Shifter & Vehicle 1000/2000 Input Harnesses Transmission Vehicle CSS Forms - Vehicle & Transmission GEN4 3k-4k Wiring Harness Input Harness GEN4-WTIII VIW Interface Jumper Harness Univ Cab to OH Trans Extension Harness GEN4 1k-2k Wiring Harness Input Harness Note: The PDF Files require Adobe Acrobat Reader. If you do not have Acrobat Reader, click on the link below. Acrobat Reader version 6 users: If you click "Save a Copy", you might get this error: The document could not be saved. This operation is not permitted. This is due to a bug in Acrobat Reader. The easiest workaround is to right-click on one of the links above and select "Save Target As..." to save a copy of the file. Back