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<blockquote data-quote="phil d" data-source="post: 452903" data-attributes="member: 27126"><p>Also depending on the type of boost pack it may not power a pump, not off the clip terminals anyway, I had one and it had a relay in it, if you shorted the clips, nothing happened, it needed a small voltage present when the clips connected to the battery to operate the relay and send power to the clips. I think it was a safety thing, prevent fires if the clips got shorted.</p></blockquote><p></p>
[QUOTE="phil d, post: 452903, member: 27126"] Also depending on the type of boost pack it may not power a pump, not off the clip terminals anyway, I had one and it had a relay in it, if you shorted the clips, nothing happened, it needed a small voltage present when the clips connected to the battery to operate the relay and send power to the clips. I think it was a safety thing, prevent fires if the clips got shorted. [/QUOTE]
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