Amperage at Fusebox

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Steve Baker

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2003 Pontiac Montana: I need to know the "nominal" amperage between the wire that attaches to the under-hood fuse block and the fuse block itself. I installed a new battery about a year ago and it seems to go dead if I don't drive the vehicle often.
If I remove the fuse (number 29 in the diagram) that goes to the radio, Driver information display, Heater A/C control, rear side door actuator motors, Remote control door lock receiver, Security indicator lamp, and theft deterrent shock sensor... the battery will not drain and the van will start as usual.
There seems to be a 1.3 - 1.4 amp current between the wire and block, going down to 0.0 when the fuse is removed.
The Left side door motor seems to have stopped, along with the driver's side seat position motor. Could any one of these motors be "burned or shorted out", causing a higher than normal load? Thank you.

Steve Baker
 
The draw sounds high. Have you tried removing relays as opposed to fuses, you may have one with contacts welded together?
 
melsg5 said:
The draw sounds high. Have you tried removing relays as opposed to fuses, you may have one with contacts welded together?
Click to expand...
That was the first thing I tried, but nothing "unusual" happened. I can't remember which relay it was, but I suspected it at first, but we tested the leads, and they were open.
I'm thinking that something on that particular circuit is causing the draw. Like I said, there are a few motors, mainly the seat and side door motors, that don't seem to be working "right". The seat switch and motor are intermittent, and the side doors make "noises" but they won't open the doors.
The only things of consequence that don't work when I have the fuse removed, is the radio and the remote door locks. I can live with it, but I'm not one to let it lie... I HAVE to know what's wrong. Thanks for your response.
Is there a way to get these replies forwarded to an email account? I'll look to see.
 
In the past I have seen the radio that is going bad does have a small draw when off,sometimes enough to kill the battery in a few days.
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My 2006 is on its third battery since I bought the van in 2008. The battery that is in there now is an interstate battery. Still, it suffers the same fate as the start of this thread indicates. Dead van after a few days without driving. My standby current draw is almost 2 amps at times. It's intermittent. I'm looking am looking into this. I've narrowed it down to a couple of possibilities. First, my battery rundown circuit may not be turning off all the lights that my kids leave on. Second, I have a PVR that is plugged into the cigarette lighter. Since I stopped using it, the van hasn't died. And thirdly, I have intermittent issues with the door locks. Dirty contacts on the sliding doors are the culprit. Once they are cleaned, no more locking issues or dead battery.
 
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