Hi. I'm new here. I hope someone can help me. This is long so please read everything.I have a 99 grand caravan with the 3.3 and auto with overdrive. I have owned it a few years but know very little about its past history. For some time maybe a year or a little over the van would take spells of shutting off by itself. This happened while sitting still and while driving. The last several months it got worse and happened more often. It ran fine the rest of the time. It would also have spells where the gauges stopped working but hitting the dash usually got them working again. On the night of 4th of July all of the lights and gauges stopped working except for holding the dimmer switch on high and the brake lights worked. I was close to home and was able to get there. Everything started working again later that night. It ran ok again except for the quitting spells. It started draining the battery and I would have to charge it every few days and it took spells were the relays in the fuse box rattled. Then the negative battery cable and ECM\PCM would get hot. Again, it ran fine the rest of the time. On the 26th of July it was hard to start and would quit in a few seconds. It did this several times. The relays again rattled or clicked. I kept messing with it and realized if I got into drive it ran better along with feathering the throttle. Took it to my mechanic and no codes showed up. It ran ok the rest of the day and the next one. Went to start it on the 28th and nothing. Starter won't crank and fuel pump isn't kicking on.My neighbor used to work on cars some and found the starter cable was loose at the starter and tightened it up. Still nothing. I pulled the instrument cluster and found the infamous solder joints that go bad and re done those. Still didn't work. I can ground the pump and starter fuses and they will both work when key is turned. When the starter turns the tach doesn't move but the fuel gauge works. You can feel the starter relay click when the key is turned but starter doesn't engage. Again, everything else works as normal. I found the dealer description of the van in the glovebox and it is supposed to have remote lock\unlock key fob but I have never seen them since I have had the van and the key I have isn't a chip key. Anyone have any ideas? Now the door locks are not working nor is the heat\ac blower front or back.

 

I would start by checking all your ground connections and maybe take a look at the injection harness going to the rear cylinder head. You minivan does have a body controller that controls the dash and gauges. As well as the door locks.

 

Is there anyway to check the bcm?

 

Other than removing the plugs and check for moisture or pulled out wires.