GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 TrailBlazer - 2WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L60-E/4L65-E/4L70-E 🢒 Engine Electrical Component Views
Figure 1:

Rear of Battery - 4.2L
Object Number: 1827152 Size: MF
(1)Positive Battery Terminal
(2)Generator Battery Control Module
(3)Battery
(4)Negative Battery Terminal
Figure 2:

Rear of Battery - 5.3L/6.0L
Object Number: 1827158 Size: MF
(1)Positive Battery Terminal
(2)Generator Battery Control Module
(3)Battery
(4)Negative Battery Terminal
Figure 3:

Upper Left Side of the Engine - Front (4.2L)
Object Number: 1708917 Size: MF
(1)Powertrain Control Module (PCM)
(2)Powertrain Control Module (PCM) C3
(3)Powertrain Control Module (PCM) C2
(4)Generator
Figure 4:

Lower Left Side of the Engine (4.2L)
Object Number: 1492075 Size: MF
(1)Evaporative Emission (EVAP) Canister Purge Solenoid
(2)Starter
(3)Crankshaft Position (CKP) Sensor
(4)Knock Sensor (KS) 2, Rear
(5)Knock Sensor (KS) 1, Front
Figure 5:

Left Front of Engine (5.3L/6.0L)
Object Number: 1550684 Size: MF
(1)Generator
Figure 6:

Lower Right Side of Engine - Rear (5.3L/6.0L)
Object Number: 1488866 Size: MF
(1)Crankshaft Position (CKP) Sensor
(2)Knock Sensor (KS) 2 - Right
(3)Engine Harness
(4)Starter
(5)Engine