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Firing Order & Cylinder Identification

See FIRING ORDER & CYLINDER IDENTIFICATION .

Fig 1: Identifying Cylinder, Coil, Wire Routing & Firing Order (3.4L)
G95E35141Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying Cylinder, Coil & Firing Order (3.8L & 3.8L Supercharged)
G93F41207Courtesy of GENERAL MOTORS CORP.