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What is the output voltagefrom charging system

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Make & model ATV? My 2004 Yamaha 450 has electric start and a power port. The battery for the starter and the power port were both 12VDC negative ground. I bet if you have a 12 V battery, it is the same for yours is too.

Posted on Apr 10, 2015


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Posted on Jan 02, 2017


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Yamaha 450 Kodiak battery not charging, new battery, volt meter not showing any voltage going to the battery

Hi Brian, get a digital volt meter and start the ATV measure the voltage at the battery or at the alternator it should read around 14 volts when charging, if it reads 12 volts the charging system is not working, check or a blown fuse or broken wire, if you can access the alternator directly measure at that point. It takes 14 volt output from the alternator to charge a 12 volt battery

May 06, 2017 | Yamaha 2005 Kodiak 450 Auto 4x4

1 Answer

Yamaha 450 Kodiak battery not charging

its either the voltage regulator (most likely) or the stator. you'll need a service manual to check the stator output.

May 06, 2017 | Yamaha 2005 Kodiak 450 Auto 4x4

1 Answer

I have a 2012 Polaris sportsman 400 h.o. I have replaced the battery and it will not keep a charge I have replaced a few.

Check the Alternator for proper voltage output, I am sure it is the problem, also you can greatly extend the life of the battery by keeping a "Battery Tender" type charger hooked up when it is in storage.

Nov 15, 2016 | ATVs

2 Answers

Have to charge the battery once a week i have replaced the battery and still have to charge it

Clean the battery contacts really well. Are you using the vehicle, or is it just being stored? The charging system may be having problems due to a weak connection. Or there could be a trickle drain happening (like a small light that is being left on and draining the battery).

Feb 02, 2016 | Polaris 2007 Ranger 4x4 EFI

1 Answer

Atv charging problems

115 ac volts at idle seems very high to me. if all 3 coils are putting out the same voltage I'd say its ok.

Jan 29, 2016 | Polaris ATV

1 Answer

Why wont 1977 sportsman charge its battery and i replaced everything related to this problem

By everything, I am assuming you mean the charge coils, regulator/rectifier and the battery? Then all you are left with is wiring. Bad charge coils means low or no output. Bad regulator/rectifier can mean either the regulator prevents the charge from getting to the battery or the rectifier is bad and dumping charge to ground or sending AC (Alternating Current) into the battery, which will kill it is short order. If there is no water in the battery or the plates are shorted, it will not accept a charge.

Oct 29, 2015 | ATVs

1 Answer

Honda schematics

Clean battery terminals first, make sure ALL wires are clean and tight! Trace the large hot (+) wire from battery to the solenoid, then trace the large wire output (+) from OTHER TERMINAL directly to the starter connection. The starter is ALREADY grounded.
Get a fresh, fully charged battery, make sure the ignition switch is on, handle bar switch in run position. Push the start button. It should at least turn the engine over!! If this does not work, leave the ignition switch on, jump the two large solenoid terminals with large screwdriver, (SPARKS WILL FLY!!) and see if it tries to start USING THE SCREWDRIVER ONLY!..If it tries to start..or does start, replace the solenoid, (disconnect battery first). If not, check battery amperage and voltage!!

try this and repost

Jul 25, 2014 | Honda 2005 FourTrax Rancher ES

1 Answer

What does er 1 on the dash display mean on a grizzly 700

ECU internal malfunction
(output signal error)
No signals are received from the ECU.

May 04, 2013 | Yamaha 2005 Grizzly 660 Auto 4x4

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