Automatic Transmission/Transaxle: Locations

Automatic Transmission Electronic Component Views

Engine Harness to Engine (LG5), Left Side




1 - C408/C409
2 - Upfitter TO PTO Connector
3 - Upfitter TRANS OPT Connector
4 - Powertrain Control Module (PCM) Connector
5 - Engine Oil Pressure (EOP) Switch
6 - Engine Oil Pressure (EOP) Gage Sensor
7 - Fuel Heater

Automatic Transmission Harness -Typical- without MTW/MX4/MWF




1 - To Backup Lamp Switch
2 - Vehicle Speed Sensor (VSS)
3 - Automatic Transmission Modulator
4 - Neutral Safety Switch
5 - C408/C409

Engine Harness to Transmission (MTW/MX4)




1 - Turbine Shaft Speed (TSS) Sensor
2 - Automatic Transmission Connector
3 - Vehicle Speed Sensor (VSS)
4 - Park/Neutral Position (PNP) Switch
5 - Automatic Transmission Input Shaft Speed (ISS) Sensor

Engine Harness to Transmission (MWF)




1 - Transmission
2 - Automatic Transmission Input Shaft Speed (ISS) Sensor
3 - Vehicle Speed Sensor (VSS)

Instrument Panel Harness to IP Mounted Components, Right Front View




1 - Power Brake (P/B) Booster Pump Motor Relay
2 - Park Brake Pump Motor Relay
3 - Trailer Stop Lamp Relay
4 - Transmission Control Relay - MTW/MX4/Ignition Relay - Engine Controls - L18
5 - ABS Relay Center
6 - Fuse Block 2 - Underhood
7 - Fuse Block 1 - Underhood
8 - C123
9 - C121
10 - Windshield Washer Fluid Pump
11 - Windshield Washer Reservoir

Relays-Lower Exterior Bulkhead, Right Side




1 - Automatic Transmission Modulator Relay
2 - Starter Relay
3 - Engine Brake Relay (LG5/K40)
4 - Bulkhead

Automatic Transmission Shift Lever (Instrument Panel Mounted)




1 - Automatic Transmission Shift Lever
2 - Convenience Center

Inside of Left Frame Rail




1 - Transmission Control Module (TCM) Interface Module
2 - Transmission Control Module (TCM)