This is a 1994 Pontiac Bonneville with a 3.8 V6 engine.Sometimes the engine won't start and the instrument panel security light comes on. Is there an easy cure or can something be bypassed so it will run?
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vehicles built in and around this time have had some issues with body control modules ( BCM) Moisture/water causes many issues such as security light, engine light, etc on. As well as hard start or no start conditions. It will also affect power windows, locks, mirrors. Have local tech check for stored DTC's. You may find a solution to you problem.
The security system (VATS/PassKey) is having problems, it's typical on those cars and it will gradually prevent the car to start anymore. You can find a great write-up here: http://newrockies.ca , this has been the only thing that saved my Park Avenue.
Check your battery cables,, they are probably loose or corroded. Side mount batteries that hold multiple cables have this problem that occurs over an extended period of time. Cleaning the connections and retightening the hold down bolt may fix it. Sometimes a 3/8 bolt and a washer with a nut can be used to get
a more positive holding force to keep the cable tight.