Question about 2006 Suzuki GS 500 F

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Charging problem I wonder if you can give me the output readings from the alternator as I wish to resolve a charging problem. Obvious solution would lie at the voltage regulator, but at £80 I wish to rule out the alternator first.

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For the classic GS range there is an excellent web site. From where I was able trouble shooted my electrical problems very well. Voltage regulators rarely cause problems. Mostly it is the altenator, or the battery. The regulator only makes dc from ac current.

Posted on Nov 10, 2008

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The alternator is not charging the battery on my 2002 Alero, how do I fix this?

a bad battery would give a wrong judgement of an alternator output. take off your battery and replace with a working one, test your alternator output using a DMM it should read about 12.5 when engine off and 14v when engine start running any figure more or less shows you have a bad alternator or an incorrect input current to the alternator....hope this fixxx it?

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My charging system is not charging the battery ?

Could only be wiring, voltage regulator, or the alternator itself.
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1978 chev k10 alternator output 14.4 on bench, reads 9 amps on truck gauge 12.2 on ampmeter at battery with truck running why

amps reading on the truck amp meter is the current that is being generated to run everything as well as charge a battery that will be at best around 80% charged.bench testing an alternator gives these readings as the regulator is feeding into fully charged batteries with no draw on the system. When batteries are 100% charged the charge rate will be as low as 2 amps but in a car where there is a current draw for the ECM , ignition , fuel pump and what ever the alternator feeds these first before it charges a battery. You used a amp meter to get a voltage reading which is reading the voltage drop across the current draw. If you had used a voltmeter (multimeter) then you would see a voltage increase with the rpm increase. The

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The battery wont remain charged its fine for a few months then it wont hold its charge

Hello and good morning. Couple of things going on. First, alternator isn't charging, or is it.
Lets check the alternating output (battery positive and negative post). Take a cheap voltage meter and set it for DC volts around 20 volts on the scale. Place the test leads across the battery while the engine is running. The voltage across the battery terminals should be 13.8 DC volts to 14.1 DC volts. If you are getting this reading in volts from the multi-meter then you vehicle is charging correctly.

Next, check to see if there is a ground wire on the alternate it just a breaded copper cable the is hook to the case of the alternator to the engine block. If there is a ground cable, then that is OK.

Now, let check the tension of the alternator serpentine belt, it need to tight but extremely tight. Also check the condition of the belt. If it has cracks along the inter ridges of this serpentine belt then it needs to be replaced.

Any of the three things mentioned above can and will give problem to your vehicle. Also, any combination of the three above. Wish you luck. GB...stewbison

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Battery light is on belts are good not charging what could it be?

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Car battery is loseing its charge when left for 48 hours. Alternator chargeing ok at 13.6 amps. No battrey drain indicated when checked with a DMM . Does this indicate alternator diode problem ?

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Battery light blinking

No, if the light is coming on it indicates that the alternator output is not adequate to recharge the battery. You have some sort of charging issue. Take the car to an autoparts store and have the alternator output checked. Most stores offer this service free of charge. You may have a short in the output wiring or some other problem. Hope this helped and best wishes.

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After having replaced both starter and alternator, the truck ran fine but the ampmeter had low readings that fluctuated. Now the battery is dead again. Will a bad battery cause the ampmeter to give low...

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