Marine Electronics Forum

Automatic bilge is blowing fuse...

Old 07-13-2014, 07:48 PM
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Default Automatic bilge is blowing fuse...

Replaced a burned out bilge pump this afternoon (same pump, Attwood Sahara 1100), and when I tested it everything worked great initially...manual ran great, as did automatic. After putting in butt connectors and hooking everything up permanently, however, the pump's automatic switch blew the fuse at the battery as soon as it was triggered. The fuse blown was a 5 (the pump is supposed to draw about 4 amps), but the pump calls for a 6...5 was just to test, and worked fine initially. Previous owner had used a 7.5 that had also blown at some point unknown to me. Manual still works great...any suggestions on what to do about the automatic switch and why it's blowing the fuse?
Old 07-14-2014, 12:29 PM
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Does your switch have a light on it?
Old 07-14-2014, 07:34 PM
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Upsize for in rush current

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