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.
Monday, December 9th, 2013 AT 9:42 PM