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Autopilot pump power cable. Connect direct to battery?

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Autopilot pump power cable. Connect direct to battery?

Old 02-23-2019, 03:05 PM
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Default Autopilot pump power cable. Connect direct to battery?

I am installing a Garmin Reactor 40 and noticed the instructions didn't specifically call this out... Can I install the pump power cable to a switch or does it have to go directly to the battery?
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Old 02-23-2019, 09:26 PM
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Normally such items are fused.
Only a bilge pump should be run direct off the battery, and right now I’m wishing I hadn’t done that!
stuck float switch just cost me $500 worth of batteries.
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Old 02-24-2019, 02:56 AM
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NOTHING in a boat should be installed without a fuse or switch.
Your autopilot will always be "on" (looking for signal) if not switched off.
Only house power wire that should be connected (in quality, well thought out installation) is a main power line going uninterrupted to a bus bar and then to invividual switches (bilge pump - 3 way switch)
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Old 02-24-2019, 03:57 AM
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Originally Posted by SeaBassHWD View Post
I am installing a Garmin Reactor 40 and noticed the instructions didn't specifically call this out... Can I install the pump power cable to a switch or does it have to go directly to the battery?
when I got my boat the auto pilot was wired directly to the battery with an in-line fuse. Not sure how the whole set up is wired but the unit doesnít/wonít start up until the engines start so itís not always on. That being said, if the draw isnít too much for your bus bar there isnt a real need to direct wire it.
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Old 02-24-2019, 05:04 AM
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Read the directions again. The pump connects to the ECU which in turn connects to the battery via a fused cable.

http://static.garmin.com/pumac/React...tall_EN-US.pdf
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Old 02-24-2019, 10:13 AM
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Originally Posted by caltexflanc View Post
Read the directions again. The pump connects to the ECU which in turn connects to the battery via a fused cable.

http://static.garmin.com/pumac/React...tall_EN-US.pdf
thanks for the link. For some reason, I didn't see this part in the physical manual I have (much easier to do a word search in Adobe pdf). It says I should connect the ECU cable directly to the battery but I'm afraid it will drain my battery.
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