Hey fellas,

I recently changed my ECU to a newer '90 model ECU my dash lights have stopped working. I don't know that the new ECU was the cause of the lights going out or whether it was coincidence. I was digging around today at lunch thinking it was a blown fuse, but the fuse is good.

I did, however, find a connector hanging down, though it appears to be wired into the brake switch in some way. Nor could I find any connector that seemed to be missing this link.

Could it be the ECU or possibly a bad Rheostat? It just seems to be weird that they were working fine and them *bam*, nothing. Rheostats usually fail slowly right?

Here's a photo of the hanging connector, sorry for the crap photo, it's all I could get.


Thanks for any thoughts guys!

-Matt

 

Aren't dash and taillights on the same fuse?

 

Don't think so, but both #8 and #9 are good

 

But after you mentioned it, I pulled both 5 & 6, 6 being the brakes (good). 5, however, was blown. Though it's weird bc it says dome, courtesy, glovebox, power mirrors, etc. I know for a fact the courtesy lights were working though. I'll change it out and see!

 

Well dang, I got home and changed out the fuse with a new 10 amp. It blew three more in a row. The mystery deepens...

 

Well, for anyone curious, I figured out what I did.

I had the back hatch cover off last weekend when I replaced the rear wiper bezel and reconnected the fluid hose. When I had it off I noticed a disconnected blue wire right next to a female bullet connector and thought it had rattled loose so I plugged it back in. It's apparently for a license plate relocation bracket. Well, that creates a short and was the problem. Other folks have done it too!

Here is a link with pics!

https://www.cherokeeforum.com/f2/blo...ed-help-54649/