Posted by Mike O in CO [97.122.161.169] on Saturday, May 09, 2015 at 17:03:34 :
In Reply to: Re: had same problem posted by Sherman in Idaho [72.47.153.64] on Friday, May 08, 2015 at 21:05:12 :
The ECM is actually what regulates the alternator on that year Grand Cherokee. Had the same problem on my kid's 98. Trip to the salvage yard for a $40 used ECM solved it.