Headlights/Daytime Running Lights (DRL) Schematics

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2010 GMC Yukon XL, 2010 GMC Yukon, 2010 Chevrolet Tahoe, 2010 Chevrolet Suburban, and 2010 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Headlamp and Daytime Running Lamp Controls

Courtesy of GENERAL MOTORS CORP.

Fig 2: Low Beam and Daytime Running Lamps (X88 or Z88)

Courtesy of GENERAL MOTORS CORP.

Fig 3: Low Beam and Daytime Running Lamps (Z75 without T4Q)

Courtesy of GENERAL MOTORS CORP.

Fig 4: Low Beam and Daytime Running Lamps (Z75 with T4Q)

Courtesy of GENERAL MOTORS CORP.

Fig 5: High Beams

Courtesy of GENERAL MOTORS CORP.