Mr Jack wrote:
> Hi,
>
> I've a 1997 Grand Cherokee 2.5 Turbo Diesel (I live in Portugal) .
>
> A week ago start giving me problems. Everything on the dash board is dead,
> no fuel, no oil pressure, no RPM nothing...and the red alarm light stays on.
> This is no fuse because sometimes (mainly when i start the car, for about 2
> or 3 second) everything is normal, but then dies..
> and i also can't control the door windows and the lock...
>
> I've taken the car to a Chrysler autorizer dealer, it stayed there for a
> week, but they couldn't figure what is wrong, maybe some module they say...
>
> Can someone give a clue whats the problem...or had a similar experience ?

That could be anything. Start by checking the battery connection, then check
every fuse. There should be a 100way connector for the dash (not sure which side)
think it's on the passenger side in the footwell (behind the plastic).
Check to see that it's tight (you could disconnect it, clean it, and put it back
together again.

What you need is the maintenance/wiring diagram for your jeep.

See if you have an ASD relay (Automatic ShutDown) if that relay has
gone bad it could be causing your problem.

Another thing to try but not sure if it will help.
The engine is grounded by a ground strap and they tend to corrode. Run a jumper
between the battery negative and the engine block and see if that helps.

--
DougW