try to check the fuses in the dash, they usually have a couple speakers one one fuse
The 1998 Chevrolet Blazer dashboard speakers measure four inches by three inches. There is a dashboard speaker on each side of the dashboard.
If you still have the factory speakers installed, each door speaker is 6 1/2. Be careful removing the door panels though, they can be a pain in the arse! Hope this helps!
6.5 inch front and back.
If your talking about the door speakers then you will have to remove the door panels to get to the speakers.
4x6 in dash 6.5 in all doors
the front door spreakers in a 98 s10 s10 blazer jimmy gmc truck any of them are 6.5, but some aftermarket speakers may not fit due to larger magnets and larger surrounds and also door panel may have problem being put back on if you run some of the speakers that are two way oy three way speakers ( with tweeters on top of the speaker. door panel clearence becomes a problem
The 1998 Toyota Celica rear speakers measure five inches by four inches. The front speakers measure four inches by three inches.
4x6 in dash 6.5 in door 6x9 in rear
They are 4" for the front door speaker, and 6.5" for the rear panel speakers. Careful not to buy too deep a replacement speaker, as the space is limited.
6 inch
I have a 96 blazer and the fuses are located behind a panel just inside the drivers side door on the end of the dash..
That would be cylinder #5