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Mazda 3 charging light on, 12 volts on battery when stopped 14 volts tick over

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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MrRobertLee
  • 16 Answers

SOURCE: 24 volt charging problems .2

A 12 volt battery is actually 13.2 volts fully charged. If you are reading 16 volts, you are probably getting extranious voltage from the system somewhere, especially if the vehicle is running when you check the voltage. The alternator will put out about 15-18 volts to charge the battery normally, and yours may put out 28-32 volts to charge them in series, but the batteries, when disconnected, should never read more than about 13.2 volts each. Typically, it will read about 12 1/2 volts when disconnected. COMPLETELY DISCONNECT BOTH OF THE BATTERIES. If you still read 16 volts when it is disconnected, you must have a bad meter because the battery can't produce that much voltage, no matter what. (Six 2.2 volt cells connected in series inside the case.) Put the meter on a known good battery on another car that is not running and see if you get the same reading. It sounds like the other battery is almost dead, regardless, and it sounds like your series/parallel switch may be malfunctioning. (That is the switch that puts the battery in series to run the 24 volt starter, then puts the batteries in parallel to run the remainder of the vehicle on 12 volts. This is all assuming that you have a diesel vehicle with a 24 volt starter and that is why you have two batteries.

Posted on Aug 19, 2008

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85cj7
  • 33 Answers

SOURCE: I get 14 to 16 volts at the alternator and only 12 at the battery

when running your car ur battery should be around 12.4v to 13.2v ur car runs off the alternator and should be putting out more the 12 volts bc of all the assesories in ur car need more then 12volts there are no problems with ur car it should be like that

Posted on Nov 17, 2009

swoop611
  • 488 Answers

SOURCE: 2000 astro van Battery and alternater are both new

You may have a voltage drop in the battery feed to the Alternator through the fuse link and into the battery. Check the charge rate at the battery feed on the Alternator, it should be at least 13.8 volts, if it is, locate the fuse link and check it there on both sides of the link, if its still good, follow the cable back to the battery checking the voltage as you go. If you find that the voltage suddenly drops across a connection or the fuse link, remove and clean the connection or replace it if possible. If the voltage at the back of the Alternator is less then 13 volts, then the new Alternator may be faulty. If the voltage is higher then 15 volts, then the Battery feed to the Alternator is bad and MUST be fixed. Check these voltages with the engine running but watch out for moving parts ( fans etc). If you think the battery feed to the Alternator is bad, shut the engine down and recheck the voltage at the Alternator, it should be at least the same as it is across the battery. If there is no power to the Alt when the engine is off, start at the fuse link, checking for voltage and trace back to the alt until you lose the reading. If you get no voltage at the fuse link, track it back to the battery. The voltages at the battery and Alternator should be the same or only have a difference of half a volt, any more and you need to locate and fix the bad connection. DO NOT run the Alternator without the load of the battery for extended periods as this will damage the Alternator. The Alt needs the internal resistance of the battery to function correctly. If the voltages from the battery to the alt are correct, check the regulator wiring. If memory serves, there are two small wires to the alt which are in a small plug into the alt and one thick cable which connects to a bolt on the alt. The thick cable is the battery feed, the two small cables are the regulator feeds. One small cable operates the warning lamp in the dash cluster and the other is another battery feed which gives the regulator an indication of the charge rate AT THE BATTERY so if this one is missing the regulator will also cut out. The warning lamp wire serves as an indication to the regulator that the ignition is turned on and makes the alternator charge. This lamp should be on with ignition on but engine NOT running and should go out when you start the engine. If this lamp does not light up at all, suspect a broken or missing warning lamp connection or faulty regulator.A blown warning lamp bulb will also prevent the alt from working, this is because the bulb is fed with power and is grounded at the alt through the regulator and exciter diodes, feeding the regulator with power until the engine starts, then the alternator output essentially puts power to both sides of the diodes causing the lamp to extinguish. A diode is a one way valve for electricity and the regulator is inside the alt. If you suspect a faulty alt or regulator, remove them and have them checked by an autoelectrician. Unless you know what you are doing, DO NOT attempt to disassemble the alt as you can cause catastrophic damage and have to purchase a replacement alt. You may also void any warranty by disassembling the alt.. Undertake these tests and if you have any questions, email me here: swoop@live.com.au
Dave.

Posted on Dec 15, 2009

  • 191 Answers

SOURCE: 2009 prius battery dead (we think). No lights, very dim check eng

Yes you can slowly charge the battery in the truck,but make sure the battery is disconnected first,make sure you unhook the neg first then the positive,and when reinstalling it hook the positive back up first the the negative you want absolutely no sparks.I have also had to jump start these vehicles at that battery and had the owners drive them 50+ miles and they were fine after that.For those cars it is recommended that they have to be driven or started for a length of time every day or two.I would call your local Toyota dealer and find out for sure.

Posted on Dec 26, 2009

  • 14036 Answers

SOURCE: alternator not charging

ALTERNATOR DRIVE BELT SLIPPING OR BATTERY CABLES NEED REPLACING IF THEY ARE THE ORIGINAL ONES.THE VOLT GAUGE COULD BE FAULTY.TO TELL GET A DIGITAL VOLTMETER HOOK TO CAR BATTERY CRANK CAR UP.BATTERY VOLTAGE SHOULD BE 13.5 TO 14.5 VOLTS. WITH NEW CABLES. IF NOT CHECK ALTERNATOR FIELD WIRES FOR DAMAGE ALSO ALTERNATOR POSITIVE WIRE FOR DAMAGE.

Posted on May 30, 2010

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96 cadillac eldorado etc battery not staying charged when the car is started the battery goes up to 14 when driving and press brake voltage drops 11-12(car may even die) and to 13+ if u give it gas


Does the vehicle start after sitting over night or do you need to jump start it . Is the charge light on ( batt. symbol ) at any time ? Serpentine belt good , tensioner good ? Battery cable connections good an tight and no corrosion ? Battery also good ? That is normal for battery voltage to jump up to 14 volts after starting , alternator is replenishing the battery after starting ,that draws down the battery . Going down to 11 or 12 volts when stopping and almost stalling isn't a charging system problem . You have a idle problem , IAC - idle air control valve or dirty air passage , a vacuum leak . Giving it gas and it going up to 13+ the alternator is working . Your best bet take it to a qualified repair shop and have it check .

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My battery gauge goes out and my check gauges light comes on and battery doesnt charge in my 2002 dodge ram 1500 slt with 5.9 motor


with the engine running use a volt meter to check battery voltage with the head lights on, should be around 14 volts on a 12 volt system, if 12 volts or less the regulator or alternator is at fault . if around 14 volts there is a drain or short, the battery could also be faulty.

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How do i find the fuseable link for the aultonator in a 2002 mazda 626?


by new battery you mean brand new off the shelf in which case the voltage would have been 12.5volts and not 11.5 volts. battery voltage will drop while cranking an engine but should recover to 12 volts when stopped. The alternators charge directly to the battery by the red wire from the back of the alternator to the positive terminal of the battery. The other smaller wires are for the regulator control and charge lights. Take the vehicle to an accredited auto electrician to have the fault rectified.

Sep 09, 2014 | 2002 Mazda 626

1 Answer

Saab 93 1.9 tid warning battery not charging car died whilst driving charged battery at home car now starting lights all out is this battery prob or alternator?


The easiest way to check is with the car running, disconnect the positve side of the battery, if the car dies, then it is the altenator, if the car keeps running then it is the battery. If you have a volt ohm meter, check the chrge going to the battery you should get between 12 and 14 volts if it is lower than 12 you have an altenator issue. the altenator should always produce enough to charge the battery and run the car at the same time, if not then the battery wears down.

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87 toyota camry new battery wont keep charge, alternator checks okay, in dash bulb for charge and brake and lights stays illuminated?


Generally if charge light is on, alternator has a bad diode in it. This lets the charged battery lose its power by flowing in the reverse direction. It sounds as the alt., is either not connected right or is swtill bad

Jan 18, 2010 | 1995 Toyota Camry

2 Answers

When i try to start my mazda navajo all it does is click


Try a freshly charged new battery. Or swap with a friends battery to see if it starts with theirs.If it does also check voltage across your battery to see if your alternaters chargeing the battery between 12-14 volts.

Sep 03, 2009 | 1993 Mazda Navajo

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I nedd Mazda Protege 93 ignition wiring Diagram


Get a multimeter from harberfreight and check the battery. It should read 12 volts if less battey is bad, jump start the car and check it again, it should read 13 / 14 volts if not its the altenator. Good luck

May 25, 2009 | 1993 Mazda Protege

2 Answers

2006 Chevy Silverado alternator intermittent charging


Perfectly normal.
Starting with the 2005 model year, light duty full size pickups and utilities are equipped with a new Regulated Voltage Control (RVC) system. This system reduces the targeted output of the generator to 12.6-13.1 volts when in "Fuel Economy Mode" to improve fuel economy. The generator may exit "Fuel Economy Mode" if additional voltage is required. This will cause the voltmeter to fluctuate between 12 and 14 volts as opposed to non-regulated systems that usually maintain a more consistent reading of 14 volts. This fluctuation with the RVC system is normal system operation and NO repairs should be attempted.

Jan 03, 2009 | 2006 Chevrolet Silverado

1 Answer

Check lights


It could be from a few issues. It definitely has to do with either the generator not working properly (recharging the battery, or a faulty battery not holding a charge. If you happen to have a voltmeter, you can test the battery voltage before you start the truck (should be about 12 volts), then test it while the truck is running (should be reading around 14 volts) this will mean the generator is charging the battery. Most batteries last about 3-5 years on average. If the voltage is not above 12 volts when the truck is running, the generator is bad, and you could get stuck with a dead battery.

Aug 09, 2008 | 1997 Dodge Ram 1500 Club Cab

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