You can also get the wiring diagram picture in this manual books Below the pdf books content preview: Service Information 2004 Cadillac CTS manual~Service Information Document ID# 1442935 2004 Cadillac CTS Steering Wheel Vibration at Highway Speeds (Replace Both Front Lower Control Arm Assemblies) #04-03-08-001 (Jan 27, 2004) Steering Wheel Vibration At Highway Speeds (Replace Both Front Lower Control Arm Assemblies) 2004 Cadillac CTS with RPO FE3 Built Prior To VIN Breakpoint 40121460] Important This bulletin applies ONLY to 2004 CTS vehicles equipped with the FE3 sport suspension built within the above described VIN range and exhibiting the described condition.

This PDF Reviews: (summary)Power Distribution Circuit, Power Door Lock Circuit, Power Mirror Circuit, Lumbar Circuit, Recliner Circuit, Sunroof Circuit, Power Window Circuit, Shift Interlock Circuit, 4.6L (VIN Y), Charging Circuit, Supplemental Restraint Circuit, Back-up Lamps Circuit, Exterior Light Circuit, Ground Distribution Circuit, Headlight Circuit, W/ DRL, Horn Circuit, Instrument Cluster Circuit, Courtesy Lamp Circuit, Instrument Illumination Circuit, Passive Restraint Circuit, Power Antenna Circuit, ..download for more information..

Section 2 Features and Controls Section 3 Instrument Panel, Instrument Panel Overview, Climate Controls, Warning Lights, Gages, and Indicators, Message Center, Driver Information Center (DIC) Section 4 Driving Your Vehicle Section 5 Service and Appearance Care, Bulb Replacement, Electrical System Section 6 Maintenance Schedule Section 7 Customer Assistance and Information.