ecu problems

I have a 1989 Jeep Wagoner Limited (XJ version basically a cherokee sport) that is having problems starting. I don't have any power at the ignition switch. I replaced the starter relay and a fusible link and reset the ECU. After resetting the ECU it started after 25 minutes. It started and ran...

i have a 1996 jeep grand cherokee laredo that has been having continual problems for about a year now. 1 year ago it started stalling and backfiring. i took it to a shop and it was determined that the ecu was bad, so we replaced it with a refurb. it ran great for about 3 or 4 months then it...