Parasitic Drain
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4wd Low
Joined: Oct 2024
Posts: 12
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Parasitic Drain
I’ve been daily driving my truck, but it sat for a week. When I hit back my batteries were dead. I replaced them because they were old so I assumed it was as simple as that. After about 48 hours with the new batteries I’m not able to get the truck to crank. I tried recharging them and having them tested. AutoZone said the batteries were shot and I got them replaced under warranty. New batteries are working, but now I need to figure out what’s draining them. I’ve not made any modifications or electrical adjustments since I’ve had the truck.
Lead Driver
Joined: Apr 2016
Posts: 7,210
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From: Bahstun
https://www.ford-trucks.com/forums/1...ou-cranky.html
Do the cleaning in above link. It helps out if you have a bad connection and the batteries fight.
Bad Alt will stay warm when a diode fails
Do the cleaning in above link. It helps out if you have a bad connection and the batteries fight.
Bad Alt will stay warm when a diode fails
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