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Slabmaster II
Hooking the 12v charger across 24v is wrong and it likely fried your charger. You can leave the batteries hooked together but you can only charge one at a time.
NEVER fail to respect the energy of batteries wired in series. One slip of a wrench and you'll think you got struck by lightning.
Crappie Wall Hanger
You are exactly right. When I disconnected the batteries and put the charger on them this morning, they both took juice. So I guess my problem is not so bad afterall. I will charge them for a few hours and see if that fixes the problem. Now, how about gas milage. I ran for about 5 miles at 3/4 throttle and the evilrude used nearly 5 gallons of gas. Is that normal? I ran the day before at about 1/2 throttle the same distance and it used about 3 gallons. Bigggggg difference.
If you're too busy to go fishing, you're too busy!
Crappie.com 1K Star General
I have a 24V system and before I installed an onboard charger, I used a regular charger. You do not have to unhook your batteries, just charge one at a time, and be careful not to energize the system while charging. sounds like you might have a float sticking on your outboard.
Crappie.com Legend
I have two suggestions....
First go to an onboard charging system; in your case I would go to a three bank charger (two banks for the trolling batteries and one for the cranking). I know your "Evilrude" should be charging the battery, but, with the technology of the new chargers it ain't going to hurt to have it hooked up and "checked" when you charge your trolling batts.
Second install a fluid filler system. I bought mine from Cabellas for $75. That was the cheapest I found and I think the price is rediculous for a bunch of clear tubing and some fancy battery caps. But, My batteries are difficult to get to when checking the fluid levels and I was too lazy to pull them just to check the fluids. This device sure has saved me a lot of frustration from a dead trolling battery.
I used to suffer from a dead trolling battery frequently. These two steps has eliminated my battery delimas. Oh yea....always use distilled water too.
DP
I am a heterosexual male. 2 Chronicles 7:14
"If my people who are called by My name will humble themselves and pray and seek My face and turn from their wicked ways, then I will hear from Heaven and will forgive their sin and heal their land."
Crappie.com 1K Star General
If you have two batteries you will have to charge them seperate. It goes from 12v to 24v at the front of your boat were you plug your trolling motor in.
can't catch'em at home
Slabmaster II
I run a 25hp Merc 2 stroke. I can go 18-20 miles on a 6 gallon tank. Not sure what you're using, but it sounds like it sure is a gas guzzler!Originally Posted by flyflinger
Slabmaster II
My Merc 40, power trim, 1700# boat, two people used to get 2 mpg at most any planing speed. Recent addition of a high pitch SS prop raised it to 2.2 mpg and top speed 34 mph.
Trucks are red, tractors are green, and outboards are BLACK
Crappie Wall Hanger
TM problem solved. First, I took the plug apart to check for loose wires, they all were loose and incorrectly installed. So, I correctly installed the wires in the plug. Then I pulled the recepticle, and sure enough, it was wired wrong too. I corrected that, and put it back together. Charged the first tm battery and it was ok. Charged the 2nd battery and it charged for 5 hours and never would take a charge, so that tells me my 24v tm was running on 12 v. Pulled both batteries and reinstalled them in line close to the port bulkhead. Now, that made more room for my gas tank, I could actually take it out. When I got it out, I found that it had used only 3 1/2 gallons of gas over about 12 miles, so that's not so bad. Now I can see the guage when the tank is in the boat. I don't know how the former owner delt with the batteries being placed like they were and not being able to get the gas tank out. Anyhow, after a trip to Wally World and getting a new "Never Start" tm battery, I reinstalled everything and the tm turns faster than ever. Oh yeah, when I got the gas tank out, the inline OMC gas plug to the tank was loose, so part of my milage problem was there too. I really want to thank everyone for their assistance and advise. I am assuming that when I charge the tm battries individually, I do not have to disconnect the series set-up, right?
If you're too busy to go fishing, you're too busy!
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