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THM 4L60-E - Internal Wire Harness Identification

Posted on by Amos

1993 Models Only - Has a “single” guide rail on the side of the wire harness connector that connects to the Pressure Switch Assembly, and the harness connector is Red in color, as shown in Figure 1, 1994 Models Only - Has “Two” guide rails on the top of the wire harness connector that connects to the Pressure Switch Assembly, and the harness connector is white in color, as shown in Figure 2. For more car diagnostic tool from vtoolshop.

1995 Models Only - Has an added “TCC/PMW Solenoid” on the valve body which requires and added connector to the internal wire harness assembly. Both the added TCC/PWM Solenoid and the 3-2 PWM Solenoid are the same part number and their harness connectors are Blue in color as shown in Figure 3.

1995 Models use the White harness connector for the Pressure Switch Assembly, as shown in Figure 3.

1996 Models Only - The 3-2/PMW Downshift Solenoid was changed to an “On-Off’ 3-2 Downshift Solenoid,

which changes the solenoids part number, and the connector for the new design solenoid. The TCC/PWM Solenoid internal harness connector remains Blue in color, with the “Fat” tab on the left side as shown in Figure

4. The new design 3-2 “On-Off’ Downshift Solenoid harness connector is Gray in color, with the “Fat” tab on

the right side as shown in Figure 4.

SERVICE INFORMATION:

internal Wire Harness ( 1993 Only) ........................................................................................ 12121299

Internal Wire Harness ( 1994 Only) ........................................................................................ 12143279

Internal Wire Harness (1995 Only) ........................................................................................ 12163009

Internal Wire Harness (1996 Only) ........................................................................................ 12163408

Pressure Switch Assembly (1993 Only) ................................................................................. 8678450

Pressure Switch Assembly (94-96 Only) ................................................................................ 8686147

3 -2 “PWM Solenoid (93-95 Only) ......................................................................................... 8683 187

3-2 “On-Off’ Solenoid (1996 Only) ...................................................................................... .24203267

Shift Solenoid “A” and “B” (All Models) ............................................................................... 10478120

TCCPWM Solenoid (95-96 Only) ......................................................................................... 8683187

EPC Solenoid (1993 Only) ..................................................................................................... 8683434

EPC Solenoid (94-96 Only) ................................................................................................... 24203101

Output Shaft Speed Sensor (93-95 Only) ............................................................................... 8673299

Output Shaft Speed Sensor (1996 Models - “Except Corvette”) ............................................ 10456194

Output Shaft Speed Sensor (1996 Corvette) ........................................................................... 8673299

Figure 1: http://flic.kr/p/dXH3gQ

Figure 2: http://flic.kr/p/dXBmBi

Figure 3: http://flic.kr/p/dXBmAF

Figure 4: http://flic.kr/p/dXBmDe

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Comment on this post

dissertation writing service 03/09/2015 11:57

Harness of the wires of the internal of the wires is placed at the places where the cables are not too god in the concern of the quality. To avoid this accident people should avoid the cheap cables. They should use the quality products in the internal.