Engine Compartment

Component Name	Callout
Vacuum Pump (LMM or LGH)	1
Battery	2
Transmission Control Module (TCM)	3
Blower Motor Resistor	4
Blower Motor	5
Brake Fluid Level Switch (Heavy Duty)	6
Engine Control Module (ECM)	7
Fuse Block- Underhood	8

Fig 1: Engine Compartment

Courtesy of GENERAL MOTORS CORP.