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Preliminary Inspection

Verify customer complaint by operating suspected system. Visually inspect for obvious signs of mechanical and electrical damage. Inspect for blown fuses and damaged relays. See Fig 1 -Fig 4 . Inspect for loose or corroded connections, damaged wiring harnesses and/or switches. Check for a broken or partially broken wire inside insulation, which could cause system malfunction but prove good in a continuity/voltage check with system disconnected. Ensure any aftermarket electronic equipment is properly installed. Repair as necessary.

Fig 1: Identifying Left Instrument Panel Fuse Block Components
G00310254Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying Right Instrument Panel Fuse Block Components
G00310255Courtesy of GENERAL MOTORS CORP.
Fig 3: Identifying Underhood Fuse Block Components (2.2L)
G00310256Courtesy of GENERAL MOTORS CORP.
Fig 4: Identifying Underhood Fuse Block Components (3.0L)
G00310258Courtesy of GENERAL MOTORS CORP.