Karlm
NAXJA Forum User
- Location
- Antioch, CA
I've been on here for a while now, and I've never heard of this happening before, so I'm really curious. Today on a short trip accross town, my generator light came on. I've been running with the AC on for about the las two months due to it being rather hot. Today the weather was nice and so I rolled down the window and shut the AC off. There was an imediate jump in voltage on the volt gauge. (I know its not that accurate, but a big jump tells me something is going on.) After driving a few blocks, the volts went up a little more, to around the 14 mark on th gauge. This tripped the light. Turning the AC back on dropped the voltage back down. What is going on here? After stopping and starting the jeep up again, it seemed to be just fine as far as volts are concerened. Aftewr I got home I checked in my FSM and it alluded to the generator's output being in some way controlled by the PCM. The FSM didn't really list anything to check, it pretty much just said either it works or it doesn't and if it doesn't, replace the generator. Any clues here? I don't want to cook the electrical system by having an overlead of volts. Thanks for any help.