What is this part
CF Veteran
Joined: Mar 2008
Posts: 2,649
Likes: 3
From: Salem Virginia
Year: 1998
Model: Grand Cherokee (ZJ)
Engine: 4.0
My ZJ has one under the battery and it is supposedly to let the PCM know if the battery is getting to hot due over charging since the PCM also has the regulator built in. Not sure if it does the same thing on a XJ but I assume it does.
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