Buick Regal: Steering & Driveline & Axle

 Diagnostic Information and Procedures

LEAK TESTING Special Tools GE-41447 A/C Tracer Dye-Box of 24 GE-42220 Universal 12V Leak Detection Lamp GE-43872 Fluorescent Dye Cleaner GE-50078 Electronic Leak Detector GE-50744 R-1234yf PAG Oil Injection Hose GE-50745 R-1234yf POE Oil Injection Hose Equivalent regional tools: Special Tool

 Schematic Wiring Diagrams

HEADLIGHTS/DAYTIME RUNNING LIGHTS (DRL) WIRING SCHEMATICS Controls and Indicators Halogen Lamps and Daytime Running Lamps (T4A) Left LED Headlamp Power, Ground and Serial Data (T4L) Left LED Low Beam Lamps, Cornering Lamp and Cooling Fan (T4L) Left LED High Beam Lamps, and High Beam Spot (T4L)