The engine computer (pcm) controls the injector pulse. It looks at numerous sensors and switches to calculate pulse width
Check for trouble codes. Possible cam or crank sensor.
Not without modification, they are different models of wrangler
Yes
No. The '98 Jeep Wrangler has a sealed bearing hub assembly.
Yes.
No.
The wiper relay on a 98 Wrangler is located under the hood. It is in the relay/fuse housing on the passenger side of the car.
Yes, they should be the same
Not without modification, the body changes from the YJ to the TJ models.
what is the switch located in the battery tray on a 98 jeep wrangler
No, completely different roll bar set ups there.
cable