GM Service Manual Online
For 1990-2009 cars only

SERVICE GUILD: SMU SEC. 8A-ELECTRICAL DIAGNOSIS

Models Affected: 1990 BONNEVILLE

The following statement was omitted from the "Vehicle Speed Sensor: Permanent Magnet Generator" diagnostics, and should be added to Test B and C in the appropriate Bonneville Service Manual.

Gear Selector Lever: Neutral

Please add this statement to both B and C Tests between the 2nd and 3rd bullets of the first box.

Pontiac:

Pages 8A-33-3 8A-33-4

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.