SERVICE MANUAL UPDATE-SEC. 8A ELECTRICAL DIAGNOSIS SCHEMATIC. Oldsmobile Custom Cruiser 1989

For 1990-2009 cars

# SERVICE MANUAL UPDATE-SEC. 8A ELECTRICAL DIAGNOSIS SCHEMATIC

#### VEHICLES AFFECTED: 1989 "B" 5.0L (VIN Y)

This bulletin revises the schematic found on the Buick/Oldsmobile page, 8A-20-4, in section 8A "Electrical Diagnosis," of the 1989 GM "B" carline service manual.

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.