Question about Craftsman 17.5 hp 42 in. Deck Lawn Tractor - CA Model
You likely have a short in a wire somewhere. Check for a pinched wire or bare wiring. A fuse is to protect against too much current that could damage other components. So to have too much current, there is likely a ground somewhere. Sounds like it comes and goes, so I'd look at the loose wiring first.
Posted on Jul 03, 2014
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Posted on Jan 02, 2017
With the mower off, disconnect the battery from the mower and place a voltmeter on the battery terminals and check the voltage. This should be well above 12dc and the higher the better. Ideally something like 13.5 Vdc.
Reconnect the battery and switch on the mower and then check the battery voltage again at idle. This should be above 12Vdc and should be in the region of 12.5Vdc to 13Vdc.
Now rev the engine while stationary and check the voltage again. This should be significantly higher that it was when the mower was on idle or switched off. This should be somewhere between 13 and 16Vdc If not then the alternator is defective and if you have a charging circuit regulator unit fitted this may be defective.
If the voltage is considerably better than when the mower was on idle or switched off then there should be no problem with the charging circuit.
If you have changed batteries that often are the ones you are replacing it with of the correct capacity and CCA Cold Crank rating? If not then these can degrade very quickly. What I do with my mowers is to take the recommended rating and add up to 10% for the nominal and CCA currents and these just go on and on! Don’t be tempted to increase the capacities any further because the charging circuit will never be able to cope with the battery demand.
Posted on Sep 26, 2009
When the engine is running check the voltage at the battery. It should be over 13VDC or the battery is not charging and will go flat. The battery is charged by a stator under the flywheel and either the stator or the magnets on the flywheel have gone bad. this can be checked with an electrical meter as well. Stator output should be 13 or 14VDC on the red wire the orange or brown wire is for the headlights. All voltage checks should be tested with the engine running at wide open throttle. If it checks out start tracing the wiring harness for loose plugs or broken wires.
Posted on Oct 25, 2010
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