PAC swi-ps User Manual

Connect the BLACK 

wire to ground (-).

Verification: Wire 

or location registers 

a constant (-) when 

probed.

Connect the RED wire 

to switched +12V.

Verification: Wire reg-

isters +12V when the 

ignition key is turned 

to the ACC or ON posi-
tions.

Connect the appropriate interface wire (WHITE, YELLOW, ORANGE or 

GREEN).

• Refer to the 

Identification and Connection Chart. Locate the vehicle and 

note the SWC wire color in the “Interface Wire Color” column. 

• Note the vehicle wire color and location information in the “Identification” 

column.

Note: You will only connect ONE of these wires. The other 3 wires will not 

be used. Cut and insulate the unused wires. 

• Connect the wire as indicated in the chart.

Note: Only 3 wires will be used during installation. Only GM vehicles programmed for version #4, will use  4 wires.

Connect the BLUE 

serial data wire.

Connect this wire 

ONLY on GM 

passenger vehicles (no 

trucks or SUVs) with 

airbags AND steering 

wheel heater controls. 

For all other vehicles, 

cut and insulate the 
BLUE wire.

If instructed by the 

Guide, cut the 

BROWN wire loop and 

insulate both halves.

If instructed by the 

Vehicle Application 

Guide, cut the VIOLET 

wire loop and insulate 

both halves, or place a 

resistor in-line of wires.

Note: 

Step 4a is for vehicles made by 

General Motors that are programmed 

for version #4 only. If no connections is 

necessary, proceed to Step 4b.

If necessary, perform the following operations as indicated by the notes in Identification and Connection Chart.