The Left multifunction switch has a 4 pin connector
Pin 1 is a Black/ yellow wire and is the ground wire
Pin 2 is a red/ light green wire and is the fused B+ wire
Pin 3 is a white/ dark green wire and runs to the computer data lines
Pin 4 is a pink/grey wire and is the ignition switch output (run- start only)
Pin 4 goes to Pin 4 on connector 11 on the TIPM and Pin 2 goes to pin 13 on connector 8 on the TIPM
Pin 2 has a fuse in the under hood fuse box # 17 10A fuse that is supplied power at all times.
Washer pump has a two pin connector
:Pin 1 is a brown/yellow wire and is the main rear washer pump motor control
Pin 2 is a brown/tan wire and is the main front washer pump control
Both pins run to the TIPM on the left side of the engine compartment to Connector 1
The totally integrated power module (TIPM) under the hood mention above.
It controls many of the vehicle's features including the washer pump operation.
Image (Click to make bigger)
Monday, December 9th, 2013 AT 9:42 PM