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Discussion Starter · #1 ·
Hello all,

I have a 2011 Ranger 4wd, with a parasitic drain somewhere.

I think it's the SJB (passenger compartment fuse 11) and I don't know what that works out to be.

Any insights? I'm not even sure what the "Smart Junction Box" is, let alone why it's drawing amperage when nothing is happening.

Thanks,
~Jeff
 

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The draw is usually somewhat high when the key is first turned off and drops after 30 minutes or more.
 

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Discussion Starter · #4 ·
So does anyone have any idea what a normal draw should be on a Ranger?
Mine is a 2011, but I'll if anyone has anything close, I'd love to hear it...

~Jeff
 

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My Dad’s ‘87 Ranger did this, turned out to be the light in the glovebox. The door to the glovebox was a little loose, and wouldn’t always open the switch when it was shut. Worth a look.

Fun times trying to find those intermittent electrical problems! 💩
 
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