Diagram is on the engine by the belt. You may have to clean off oily residue to see it...
Two words, "Ignition Module".
The dealer and some parts are very reasonably priced
The vacuum diagram for a 1998 Oldsmobile Silhouette can typically be found in the vehicle's service manual or on a sticker under the hood. It illustrates the various vacuum lines and their connections to components like the intake manifold, brake booster, and various sensors. If the diagram is not available in these locations, you might find a digital copy or illustration online from automotive forums or repair websites. Always ensure to follow the correct routing to maintain optimal engine performance.
On a 1998 Oldsmobile Silhouette, the flasher is typically located under the dashboard, near the steering column. You can find it in the fuse box area, which is usually on the driver's side. It may also be labeled in the fuse box diagram for easy identification. If you're having trouble locating it, consult the owner's manual for specific details.
There are 2 horns on the 1997 Oldsmobile Silhouette. You must remove the headlight/ turn signal assemblies (2 thumbsrews to remove each one). You will find each horn in the space below the headlight.
look in google images you should be able to find a diagram for you
on the sticker under the hood
You can find that information in the owners manual.
Go to library and get a Chilton repair manual you can find most of your information for engine diagram.
Open the tailgate, you will find the screws for removal of the taillight assembly.
fuse panel 1992 Oldsmobile regency elite