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In article ,
says...

There are a multitude of 12 volt units which don't actually 'turn off'
when you hit the off switch. Many items with a 'soft touch' on/off switch
just go into a sleep mode. Now READ THIS,,, the Radio Shack power inverter
22-138 and all similar inverters DO NOT TURN OFF!!!!! Even when you turn
off the lighted power switch, the inverter is still running!!! Check with
an amp meter on the d.c. input, and no load on the output, you see about
..5 amp draw, ON or OFF!! That will kill a battery in about 2 days. Find
a local ham radio dude that likes to water ski, let him meter your current
draw when everything is off, and in return you can get him some ski time.
If you were close to Wrightsville, Pa. I would do it for you.

Hello all,

I have a Tige 22v riders edition. Great wake boarding boat, we love it.

I have 2 questions - I hope someone can help me out w/.

1. It has a main power off switch in the engine compartment (A twist knob).
Ive noticed that if I dont turn this off at the end of the day and the boat
sits until the next weekend the battery will be dead. I cannot seem to
figure out where the draw is coming from. Ive tuned everything off in the
boat. How can I track down the "leak".

The real pain in the ass thing is each time Im done for the weekend and I
turn the main power knob off - I lose my radio stations each time I do this
which leads me to my next question....

2. The boat has 2 battery compartments. Id like to add a second battery so
the radio works off a seperate battery vs the main one the rest of the boat
uses (ie starter, lights, etc...). (I want it be transparent as well - ie -
I dont want to have to switch some switch) Is there an idiots guide out
there somewhere that shows how to do this? I can pretty much build anything
and am mr fix it so installing something wont be an issue - but for some
reason me and mr electricity dont get along all that well -so a well drawn
out electrical diagram would be really really really good!!

Any help would be appreciated.

Thanks