Has anyone successfully removed the ECU from behind the glovebox and grab handle on a 1990 YJ? I've got them out. I only have access to one bolt on a partial bracket. Anyone get the other bolts out holding it in?
Has anyone successfully removed the ECU from behind the glovebox and grab handle?
- Thread starter Chimmy
- Start date
I took a paint stick cut a 1/2" x 12" piece. Ziptied a 5/16 ratchet wrench. Removed radio. Used the wood extensioned wrench through the radio compartment opening to get on the last bolt nut. It's difficult because you only get enough swing to allow the wrench to click once, but I was able to remove the last bolt holding the ECU bracket. After several minutes, it came out. Good luck.
Is this the 4.0l location. I have a 2.5l and the ECU is in the engine bay by the charcoal cannister. Driver's side fire wall
No. Pre 91 had older different size ECMs that were inside the cab on top of the heater. 4.0 has it same where yours is.
jpjeep26uk
YJ Enthusiast
I have a LHD 2.5 over here.
Took the ECU out plenty of times.
Take the glove box grab handle part out. There is a screw on the front of the ECU which snugs it to its fram. There are two big bolts in the engine back right behind the ecu that need to be undone. This allows the ecu in its fanto be yanked from the firewall. Then there is a screw holding the harness connector to the ecu. Undo that screw and gently lever the connector off the ecu. Of you need them I'll post pics.
Took the ECU out plenty of times.
Take the glove box grab handle part out. There is a screw on the front of the ECU which snugs it to its fram. There are two big bolts in the engine back right behind the ecu that need to be undone. This allows the ecu in its fanto be yanked from the firewall. Then there is a screw holding the harness connector to the ecu. Undo that screw and gently lever the connector off the ecu. Of you need them I'll post pics.
jpjeep26uk
YJ Enthusiast