Oh, and as long as you're at that module... Here's the pinout of it.
I/P Dimming Module
Connector Part Information
12034060
4-Way F Metri-Pack 480 Series (NAT)
Pin
Wire Color
Circuit No.
Function
A
--
--
Not Used
B
DK GRN
44
Instrument Panel Lamps Dimmer Switch Signal
C
GRY
8
Instrument Panel Lamp Supply Voltage
D
YEL
32
Instrument Panel Lamp Fuse Supply Voltage-1