WIRING INFORMATION: 2004 Cadillac SRX WIRE WIRE COLOR WIRE LOCATION 12V CONSTANT WIRE 12V wires at the ignition harness are low current 12V sources that should not be used to drive any high current positive circuits. Must go to the battery for 12V. STARTER WIRE YELLOW Ignition Harness IGNITION WIRE PINK Ignition Harness ACCESSORY WIRE [...]