not charging
I have a 1998 Forest River w/454 on a p-30 Alternator that has checked out good. But not charging the system. Have checked wires and all connections for ohms and voltage coming from and to where it g...
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Measure voltage on the post of isolator that alternator wire came from. Should be 13-14.5 volts to frame with motor on. Chances are connections are bad. If I were you I would replace the diode isolator with a solenoid type, especially if it is original from 1998. You can tell if you have one like others mentioned: heat sink= diode isolator, can shape with posts = mechanical solenoid. The voltage loss from the diode ones are brutal. At idle rpm you probably are draining the batteries. I don't know why these are installed since they are both more expensive and don't work very well at all.
