New Wiring Harnesses and Pressure Switches

Figure 7 - Wiring Diagram:

Figure 8 - Wiring Diagram:

3. New Wiring Harnesses and Pressure Switches - THM 440-T4 (HYDRA-MATIC 4T60) and THM F-7

New second, third, and fourth clutch circuit pressure switches and wire harness connectors were implemented into production on September 6, 1989 (Julian Date 249). The switches and wires will have "button headed" connectors instead of the previous blade design. Refer to Figures 7 and 8.
SERVICE PARTS INFORMATION

P/N Description Model Year

12096127 Harness Assembly, Wiring, THM 440 1990
12096322 Harness Assembly, Wiring, THM F-7 1990
8668271 Clip, Wire Conduit 1990
8668707 Switch Assembly - Pressure 1990
(Fourth Clutch) (N.C.)
8668707 Switch Assembly - Pressure 1990
(Third Clutch) (N.C.)
8668709 Switch Assembly - Pressure, THM F-7 1989-1990
Discrete (Second Clutch) (N.C.)