Clean copy of Factory Softcover Manual with minor shelf wear.

This manual provides late production and revised information to supplement Section 8A - Electrical Diagnosis - for the 1990 Oldsmobile Cutlass Ciera, Cutlass Cruiser, Ninety-Eight, Eighty-Eight, Cutlass Calais and Cutlass Supreme.

Revised Contents:

• Update Change Summary shows minor wiring changes
• All changes are labeled with Late Production or Revised
• Multi-Use Index
• 90 Cutlass Supreme Section 8A updated & reprinted entirely