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Re: Re: Re: jd 350 quit
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Posted by jdemaris on April 06, 2004 at 19:25:31 from (209.23.28.87):
In Reply to: Re: Re: jd 350 quit posted by MrBill on April 06, 2004 at 09:54:27:
$12 sound reasonable. I don't remember what they cost down at NAPA, but that's where I usually pick them up. They rarely go bad, but I've seen a few simply fall apart. You basically need to follow the power and find out where it stops. I assume your machine is old enough that you don't have a main battery disconnect? Later machines, I think 350Bs and on all have them. If not, the power flow is thus: Main postive battery cable to the large post on the starter solenoid. At that post, a smaller cable (around 10 gauge) runs into the engine wire harness and up to the the big connector under the hood that I mentioned earlier. Then on to the BAT post on the ignition switch (note: some machines have a 30 amp breaker within this circuit and some don't). Check for power at the BAT post on the ignition switch. From here, it depends if your machine has a "crank" position on the key switch, or a separate push-button for the starter. If it's a push button, the IGN post on the ignition switch feeds power #1 back though the big harness under the hood and down to the little connector on the fuel injecton pump (pump has an electro-mechanical fuel shutoff) and #2 power runs to the starter push button and then back through the big harness connector under the hood and on to the "S" terminal on the Delco starter solenoid - but note that somewhere in this circuit power designated for the solenoid first goes through the neutral safety switch on the gear-transmssion if it's still hooked up). As far as batteries goe, it all depends on what kind of weather you expect it to start in. When parking them in the woods, and hoping to start them in -30 degrees F weather, two 700 CCA batteries, double-ought cable, 10W motor oil, fuel mixed with 50% kerosene, and a can of ether will usually work. But, if you are in a warm or moderate climate, it will work with one decent sized car battery around 550 CC. I mentioned the 12 volt setup being better than the 6 volt for a couple of reasons. The 12 volts is less demanding on the battery connections. Also, 12 volt batteries are more common, ergo they are cheaper. If all the cables are proper, clean, and tight both systems work the same. In fact, in my experience, 6 volt batteries last longer - I have no idea why.
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