Ford E4OD Test Harness T89T-70100-A Terminal Locations & Wire Color Codes

This is a scanned page (17-09-35) from a Ford service manual section titled "Transmission—Automatic E4OD, CONDITION/CAUSE (Continued)." It illustrates the E4OD Test Harness, Ford tool number T89T-70100-A, used for pinpoint testing of the E4OD automatic transmission's solenoid body circuits. The diagram shows the service/jumper harness with its solenoid body connector at one end (with pin positions 1, 6, 7, and 12 identified on the connector face) and individual test leads fanning out, each labeled with its terminal number and wire color code: Terminal 1 Black, Terminal 2 Red, Terminal 3 White, Terminal 4 Blue, Terminal 5 Green, Terminals 7 and 8 Yellow (TOT — transmission oil temperature), and Terminals 11 and 12 Orange (EPC — electronic pressure control). The illustration is captioned "(T89T-70100-A) E4OD Transmission Wiring Harness Terminal Locations and Color Codes" and carries figure number D9241-2B. A reader can use this page to identify which wire color corresponds to which terminal when performing resistance and continuity checks on the E4OD solenoid pack via the test harness, as referenced in the manual's pinpoint test procedures.