no no. the shape is slightly different, and the mounting brackets are very different.
It shoud fit but, the wiring for the wiper is not compatible.
A 1999 Jeep Wrangler has a timing chain.
A hard top or soft top?
No.
So what is the question about your 1991 Wrangler horn?
Yes
Yes
Yes.
no
my jeep wrangler is starting to have a hard time to start in the mornings? my jeep wrangler is starting to have a hard time to start in the mornings?
No.