hello,i need help i have a 97 dodge ram 1500 4x4 5.2 engine auto tranny after a couple minutes of running the gen light comes on and my battery goes dead after about 30 minutes,i took the alternator to advanced auto they tested it and said it was good.im now thinking pcm ? also checked power distribution center and found 120amp alternator fuse was blown,i replaced fuse and it blew any info would be greatly appreciated.

 

Have this same problem did you figure out what it was?

 

That post was 3 years old.....

Check all cables. Something is shorted.