GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Envoy - 2WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L60-E/4L65-E/4L70-E 🢒 Hydraulic Brake Component Views
Figure 1:

Park Brake Switch
Object Number: 752716 Size: MF
(1)Park Brake Lever Assembly
(2)Park Brake Switch
Figure 2:

Brake Fluid Level Switch
Object Number: 757245 Size: MF
(1)Brake Fluid Level Switch
(2)Chassis Harness
(3)Brake Master Cylinder