Dodge-Grand Caravan -
IOD fuse draining battery
binky (71.56.175.189) - Mon Mar 16 13:32:14 2009
The IOD fuse in my Grand Caravan is slowly draining my battery. Every so often the battery is dead and I have to jump it but then it's fine for a day or two. I have no idea where to start looking for the origin of the problem. Can anyone give me any ideas where to start?
Reply #1 Amy (72.203.169.120) - Fri May 1 15:51:34 2009
how do you know its the iod fuse?my battery has died 3 times since purchasing my 2005 GC seven months ago. wonder if we have the same problem?
Reply #2 Jeff Briggs (96.240.200.136) - Tue May 12 11:48:13 2009
I am an ASE Certified Mechanic and have ran into this problem more than once. The IOD fuse (Ignition off draw)on the vehicle I'm working on now only lowers the draw from 18ma to 8ma. Both are well within the spec of 50ma. Still, if the van sits for more than a couple days, the battery goes dead. I've read that some vehicles have been fixed by replacing the Front Control Module. I can't verify that is the problem but should be considered.The IOD, from the way I understand it, can take up to an hour to shut down all that can drain a battery. I think it is an intermittant problem with the IOD.
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