Question about Mazda MX-5 Miata

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1997 mazda miata battery tests good Alternator tests good car will not start withour jumping battery

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  • aleasha2602 Oct 13, 2008

    1991 Miata: battery new (measures 12.6) and alternator good. Battery is being killed by something - this happened twice to 2 new batteries. Please advise. Thanks!

  • Afie Jan 05, 2009

    I have a 1991 mazda miata and am on my third alternator. I probably haven't put 100 miles on the car since replacing the alternator for the third time, but the car has been sitting in my garage for 7 months. I tried to start it but the battery appeared to be dead. We jump started the car, let it idle for 20-30 minutes, then drove it for about 10 minutes before turing the engine off. When we tried to restart it, nothing. It was like the car didn't have a battery in it. We jump started it again and drove it home. I'll have the battery tested, but I'm curious if there is something about this car that is causing the alternators to fail, or if that is just the quick fix the car dealership is telling me to keep selling me alternators??

  • rons57ford Apr 26, 2009

    Alt teats good at store. Battery tests good at store/
    Alt shows no voltage above batt volts when running.
    Will not charge the battery.
    All grounds clened and are good, all cinnections cleaned and good
    ??????????????
    Jumpered Eng to Battery Neg(-) post---no help
    Got to be a bad Alt ?????
    Ron


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  • 124 Answers

Try checking earth strap between engine and body (Inside engine bay, near starter.

Posted on Aug 03, 2008

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2012 Mazda 5 won't start - starer and battery seem OK, the starter cycles, lights etc. work. Gas tank is full, car worked fine yesterday.


When you turn the key to start, what happens ? Does the engine turn over and not start ? Or does it not do anything ?

When you say that the starter seems ok, have you tested it ? Did you jump starter/solenoid and see if the engine turns over ? Are you getting power to the starter when turning the key to the start position ?

Nov 26, 2016 | 2012 Mazda MX-5 Miata

1 Answer

2002 Mazda tribute won't start but can jump, car will shut off while driving


you mentioned new alternator and battery, but it seem that the alternator is not charging, when you install the new battery the car started and run and after hours of running specially if head light is on the car shuts down. this is an indication that the alternator is not charging. (factory defect) have it checked or return part to auto supply.
if alternator is good and you have the car jumped and run it will not shut down even if your battery is dead because the charge of the alternator is enough to power the electrical system of the car until you turn it off. this applies to all cars

Dec 10, 2013 | 2002 Mazda Tribute

1 Answer

!993 Mazda Miata. First she asked me to give her a jump start she thought she left something on. I boosted her and told her to drive for about a half hour before shutting off car. An hour later she said it...


When you turn the ignition switch to the start position
on any vehicle, there is no dash lights or anything,that is
how it works

Test the ignition switch & the starter & starter relay

Sep 05, 2013 | 1995 Mazda MX-5

1 Answer

1997 mazda miata...drove one day everything fine. got in car next morning everything totally dead. no lights were left on


Modern sealed type batteries fail in just this manner, I have seen cars that the owner got gas and went to start and doing, it was the battery. Have the battery tested by any parts store that offers the free service, AutoZone is one but there are many that do the testing free of charge. Also clean the battery cable and the try before installing a new battery with a wire brush and baking soda in warm water solution.

Jun 21, 2012 | 1997 Mazda MX-5 Miata

1 Answer

Battery was completely dead- so I just purchased a new one. The weather had been very cold with plenty of snow 0-25F. Did not attempt to start my car for about ten days but when I did the battery was...


That would probably be your alternator. The car doesnt take as much power to keep running as the lights. The lights use alot of power and if the battery is doing the alternators job it drains quickly. The battery is only designed to start the car then the alternator should take over and recharge the battery. When the alternator fails the battery will soon fail. Even though you had to jump the battery it was still new so it had a big charge. That is why you were able to drive so far. On an old battery and a jump I've seen people drive a long ways until they turn on their lights. I say 99.99% sure it's your alternator. Here is how you can test it. Get your car jump started again or charge your battery and start your car. While it is running get out and unhook the positive battery cable from the battery. If your car dies, you have found your problem(the alternator). I hope that I could be of some help. Good luck.

Jan 23, 2011 | 2000 Mazda MX-5 Miata

1 Answer

Car won't start. The battery and alternator are


If you can jump and start the car then the starter is good.

I had a similar situation where the battery tester showed 13V and green/good LED but I could not start my car. After many tests, I found out that the battery had good Voltage (13V) but not enough Amperage to crank the starter.
I replaced the battery and the car started like a champ!.

- clue to see if you need to replace the battery is if you have used it for
about 3 years or more.
- Dead battery happens a lot more often than bad alternator.

Mar 13, 2010 | 1997 Mazda 626

1 Answer

My 97 miata has been having terrible squeaking noises coming from alternator belt area. put new belt on and still squealed then snapped off!!! Put another new one on less tight and the pulley for the...


The alternator is loading up too much for some reason.
Had the same issue on my friend's 2001 Mazda Protege. Turned out the voltage regulator in the alternator was faulty. Had the alternator rebuilt. A week later, it acted up again! There is apparently another issue, but I have not been able to figure it out.
Unfortunately, I don't have a clear answer for you, but, one's thing's for sure. Mazda has to stop using crappy Ford electrics in their cars.

Oct 07, 2009 | 1997 Mazda MX-5 Miata

1 Answer

99 Mazda Miata Alternator Belt Replacement


there is one large bolt 13mm i think near the top and the tensioner on the side. just loosen that baby and push the alternator and take off the blet

Feb 11, 2009 | 1999 Mazda MX-5 Miata

1 Answer

Mazda Miata 2001 car problem


Batteries can have a dead cell in them, meaning there is sufficient charge to run accessories and the "check glass" may look fine (dark green in color on maintenance free batteries), but one dead cell in the battery indicates replacement time.

Jan 20, 2009 | 2001 Mazda MX-5 Miata

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