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Mazda MX-5 Miata Electrical Problems

35 messages,  Last post on Oct 27, 2009 at 11:44 AM

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What is this discussion about? Mazda MX-5 Miata, Lights, Electrical, Convertible


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#16 of 35
Re: 97 Miata headlights [natedog1] by ateixeira
Mar 21, 2008 (5:37 am)
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Replying to: natedog1 (Mar 20, 2008 4:22 pm)

It's weird, how that happens. I've had bulbs blow out after 7-9 years, and then the 2nd one will blow out within a week of the other.
 
Incredible coincidence, really.
#17 of 35
Lost All Power and now will not start. by archerjs
Apr 12, 2008 (10:41 am)
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Help if you can. I was driving my 1999 Miata at 60 mph everything working fine and then I pushed the airconditioning button and the car ignition just shut down and now it will not start. Can any one please tell me what the problem may be? Thx
John
#18 of 35
Undiagnosed electrical problem by boerne
Jun 23, 2008 (2:41 pm)
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I have a 2007 Miata. Last week while I was driving on the highway, suddenly and briefly, everything shut off - the radio, cruise control, AC, etc. I'm guessing the engine might've stopped for a second or two but it was hard to tell because of the cruise control shutting off at the same time. But then, everything came back on as quickly as it had shut off - all of the instrument panel lights came on, then shut off, leaving only the ABS, anti-skid, and the handbrake lights staying on. It appeared to be working normally.
 
I took it straight to the dealer who has now had it for several days. They test drove it (and of course there was no repeat occurence), flahsed the computer (making the warning lights go away), but still have no idea what happened. They are checking the Mazda "Tech site" to see if there are any other reports of the problem.
 
Has anyone else experienced this?
 
Thanks!
#19 of 35
interior lights not working by cpico
Aug 08, 2008 (9:02 am)
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I have a 1990 miata and all my dash and interior lights don't work. All the fuses are fine any suggestions?
#20 of 35
Re: interior lights not working [cpico] by ateixeira
Aug 08, 2008 (9:35 am)
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Replying to: cpico (Aug 08, 2008 9:02 am)

Hmm, could it be the bulbs? That would be a pretty big coincidence, but maybe there was a power surge that blew them all out.
 
Check the bulbs by your right knee, that's the easiest one to access.
#21 of 35
Alternator ??? by red93
Aug 13, 2008 (2:56 am)
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I was driving down the road about 75 MPH for about 2hrs when the dash went out. No warnings ,nothing. All gauges were gone radio,tach,temphorn,lights,turn signals to mention a few. Stopped at rest stop and shut it off . Would not restart. Battery dead. Had it towed mechanic tested battery and alternator both checked OK. Drove the car back and it did it again . Dead battery etc. Recharged battery and it works ok. I think its the alternator . The time to charge the battery gave time for the alt. to cool (?). I have been told maybe ground issues,bad ignition switch etc. I have had this car only a few months and I dont have them figured out yet. Any thoughts would be appreciated.
#22 of 35
2004 Mazda Miata speed by skiparkcity
Aug 23, 2008 (9:13 pm)
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Car died...just like that...no reason. Cruising through my school parking lot, and about to corner in first and...car died. All electric was out. Nada. Called AAA.
Guy couldn't find out polarity of battery to jumpstart it. While he is looking, the trunk light suddenly goes on. Whoa. I've only had the car a few weeks. Car had only been on for a few minutes. It has only 11,000 miles, garage kept, super clean.
Total enigma. I've noted others stating that they've had their car suddenly die, and come back to life later. The AAA tow truck guy did nothing. His battery was sitting near my battery, but he never hooked it up. 45 minutes after dying, car started as if nothing was wrong. Help. I don't want this to happen on a highway or other bad location.
#23 of 35
Transmission heat sensor by natedog1
Sep 22, 2008 (8:19 am)
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According to the check engine code, my 1997 MX 5 (M edition) automatic tranny, has a bad heat sensor. Anyone familiar with these, and how involved is the replacement procedure?
#24 of 35
Re: Transmission heat sensor [natedog1] by ateixeira
Sep 22, 2008 (10:41 am)
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Replying to: natedog1 (Sep 22, 2008 8:19 am)

Sorry, no, never even heard of that part.
#25 of 35
Spark Plug Wires by ateixeira
Sep 22, 2008 (10:45 am)
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I was reminded how these really don't last all that long...
 
My engine started misfiring - BADLY. It sputtered at certain RPM like I've never seen.
 
First I checked the timing, but that was OK. I thought it might have been knocked out of the right timing setting since my Miata was hit last week (again).
 
Then I replaced the wires, and sure enough, they basically fell apart when I was taking the old ones out. Half of the connector came off on the spark plug, even though I had used boot grease.
 
Replaced those, and the spark plugs as well, and she's running like new.

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