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Author Topic:   Jumping batteries..???
Sawgrass posted 08-15-2001 02:45 PM ET (US)   Profile for Sawgrass   Send Email to Sawgrass  
Chuck Tribolet posted on a recent thread about carrying some jumper cables onboard as part of his safety equipment. I think this is a great idea but what is the safe way to jump another boat? Does this typically involve the same precauctions as jumping vehicles? Any special rules for connecting an outboard to outboard setup? Outboard to inboard...etc? I think I am mostly concerned about the relationship of proper grounding,sparks,fuel vapor and battery gas. Thanks...


Whaletosh posted 08-15-2001 04:02 PM ET (US)     Profile for Whaletosh    
Yes the same precautions are needed. Especially the worry about sparks.

A safer alternative is to build a cable that will connect between two accessory (cigarette lighter) outlets. If you just have a battery that accidentally gets drawn down this cable could get you up and running with a few minutes of charging current from another boat. It is surprising how just few amps for a few minutes can make the difference.


triblet posted 08-16-2001 02:16 AM ET (US)     Profile for triblet  Send Email to triblet     
As Whaletosh says, just the same. It can
be a bit harder because you have to stand
on your head to connect inside the console.
But the battery is behind the seat in a
'Vette, and it's just as bad.

I'd be concerned about running it through
the cigarette lighte plugs. They are
typically fused for 10 or 15 amps, and
I suspect you could get more than that going
from a well charged battery to a dead one.

One other thing, get a longish set up
jumper cables for the boat. The batteries
tend to be in inconvenient places (when was
the last time you saw a car with the battery
smack dab in the middle of the car (like
in the center console ;-)

My jumper cables have started me once (at
the ramp after a five-week layup for bad
winter weather), half a dozen dive buddies,
and three houseboats. A dive buddy of mine
jumped a fishermen and a nice salmon jumpped
into his boat. ;-) Most recently it was
two weeks ago. My buddies boat was less than
a month old, so don't think it can't happen
to you.


witness posted 08-16-2001 09:58 AM ET (US)     Profile for witness  Send Email to witness     
I am considering an overnight trip tommorrow night and wanted to bring an extra battery to run our accessories. We have two big batteries on the 25 outrage and there are two outlets in the CC ffor electric fishing reels. I imagine they are relatively high amp and was wondering if it was possibel to rig something so that a third battery could be connected to one of the outlets in the need to start (in case of an emergency). Also, if i wanted to hook two batteries up to these outlets and run my normal accessories through the boats electrical system, would that be a problem?
witness posted 08-16-2001 10:11 AM ET (US)     Profile for witness  Send Email to witness     
i guess i should really move this to repair and mods... i will.

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