Models Affected: 1999-2000 Pontiac Grand Prix with GM’s 3.1L engine (VINs J, M - RPOs LG8, L82)

Some customers may comment on one or more of the following conditions:
• The Service Engine Soon light is on;
• The generator light is on;
• The engine cranks slowly;
• The engine will not start; or
• The engine stops running.

These conditions may be caused by several factors:
• A loose or improperly installed battery cable (either positive or negative);
• The battery; and
• A malfunctioning generator (one with output voltages less than 12 volts or greater than 18 volts).

Correction
Caution: Before servicing any electrical component, the ignition key must be in the Off or Lock position and all electrical loads must be off, unless instructed otherwise in these procedures. If a tool or equipment could easily come in contact with a live exposed electrical terminal, also disconnect the negative battery cable. Failure to follow these precautions may cause personal injury and/or damage to the vehicle or its components.

Important: If the starter will crank the engine, go...