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post #1 of 4 (permalink) Old 07-28-07, 11:36 AM Thread Starter
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2004 Explorer Battery Drain

I have a 1 amp battery drain and have isolated it to the power distribution box location 15, a 15 amp fuse, listed in the owners manual as powering "Memory (PCM/DEATC/Cluster), Courtesy Lamps.

I do not have DEATC (Dual Electronic Automatic Temperature Control).

When I pull the fuse the truck starts and runs. The air bag indicator light flashes for a while then stays on. These don't work: interior lights, instrument lights, temperature gage, speedo/ tach, volt meter, as far as I can tell all other warning lights, and the 4WD switch.

Is there a way to isolate the drain down further? What is the likely problem?
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post #2 of 4 (permalink) Old 08-01-07, 06:31 AM
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Re: 2004 Explorer Battery Drain

Hi
I've come across a similar problem that turned out to be the glovebox lamp staying on. Because it's really hard to see if the light is on or not when the glovebox is closed, I removed the globe and the current draw went down to 0.02A, which is ok. hope this helps. cheers
Marc
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post #3 of 4 (permalink) Old 08-01-07, 07:51 AM Thread Starter
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Re: 2004 Explorer Battery Drain

Thanks for your tip. I checked that lamp and it did not turn on until I opened the driver's door and then opened the glove box, and the lamp was cold and got warm then hot when it was on for a while. I also checked to make sure it turns off with the box door closed and it does.
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post #4 of 4 (permalink) Old 01-23-14, 04:12 PM
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2004 Explorer Battery Drain

I'm having the same problem. My drain is .66A and when I remove fuse #15 it goes away.

Just woke up one morning and the three month old battery was totally dead and the bitch wouldn't start.

I charged the battery for four hours and it still wouldn't start. The PCM lost it's memory and the PATS wouldn't recognize the key.

Had to get a locksmith to come out and reprogram a new key so the PATS would allow it to start. Cost 180.00

I'm still trying to find the drain. I pulled the delayed accessory relay and the interior lights stay on all the time. I'm gonna try the battery saver relay tomorrow.
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