help 2000 cherokee alt not charging

[Reggie Dittbenner]

• [h=3]2000 jeep cherokee sport alt not charging checked..[/h] alt tested good 7 times tried new ecu not it fusable link tests same on both ends wtf only had 1 other prob in 3 years...
  

 

[carnuck]

Ground wire from motor to body (not the same as motor to battery) or go to an external regulator