Where are the spark plugs located on a 1996 Buick roadmaster?

On a 1996 Buick Roadmaster, the spark plugs are located on the engine's cylinder heads. This vehicle typically has a V8 engine, so you will find the spark plugs on either side of the engine, beneath the ignition coils and covered by the engine's intake manifold. To access them, you'll need to remove the ignition coil packs and possibly the intake manifold, depending on the specific engine configuration.