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      06-04-2017, 02:28 PM   #9
ncnmra
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Drives: 2006 M Roadster
Join Date: Jul 2012
Location: Canada

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The booster can start a car on its own. I tried it this morning on my Ford Explorer 3.5L. I disconnected the negative and then put the booster on the negative lead and the positive post. Started with no issues.

My concern is that plugging in my booster (or a battery on cables) did not give me ANY electrical with the car battery disconnected. With the battery connected, putting the booster on at the engine bay didn't help. It's like there is no connection from the engine bay positive post to the battery. I'm not sure how the positive post in the engine bay is wired.

The circuit interrupter is an interesting thought. Where is it located, how does it work and is it replaceable or resettable?

I noticed a "black box" on one of the positive leads, but I didn't bring a multimeter with me.

The "pop" could have been a big coincidence but who knows. I managed to open the fuse box but didn't bring a multimeter to diagnose.
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