Question about 1995 GMC Suburban

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Car is shutting off the alternator is not charging the battery causing the dash board lights to dim & indercaters jumping around

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BAD ALTERNATOR OR CONNECTION.

Posted on Mar 24, 2011

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2012 honda civic wouldn't start this morning so, replaced the factory battery with new one. Garage read 12.6 v on alternator check and said alternator is bad as well. Is this a normal reading?


No. Charging voltage should be above 13 to 15. BUT, this vehicle has GM's power management feature. It only charges when it needs it. Read this post to see how it works. Ask the shop if they conducted the proper tests for this system.

http://ricksfreeautorepairadvice.com/gm-charging-system-problems/

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It wont start. battery is new, has full volt. when i turn the key to start it just clicks and all dash lights dim,but when i jump start it it starts right away and will stay running for hours


The battery is not being charged and is depleted. The clicking you hear is the starter solenoid engaging. Your charging voltage should be around 14.1 volts. Check for that when you have the car running. If it is closer to 12 volts that is the nominal battery voltage and your alternator needs to be replaced! Especially important if you have a new battery since lead acid batteries do not like being in a discharged condition; it shortens their life considerably.

Oct 26, 2015 | 2005 Kia Sportage 2.7

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Driving and shut off while driving could turn on with key but here clicking sounds wouldnt turn over would this be the pcm


Sound like the alternator went bad and is no longer charging. Are the headlights dim? Have you tried jump starting? Have you measured battery voltage while you try to crank it over? If it drops below 12 volts the battery is dead. If it starts with a jump you should see around 14 volts at the battery with the vehicle running. If you see less the alternator is no longer charging.

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My battery light came on dash of ford transit connect,lights slowly dimmed dash lights slowly dimmed then van stopped.jump started to get home.battery is original 9yrs old do i need a new one?


first check connections on battery and alternator make sure tight clean and there is no damage or breaks also check belt is tight and not slipping or damaged the battery light can mean battery not charging or alternator not putting out a charge if a boost got u home i would lean towards alternator problem [have tested though as well as battery most auto stores usually offer this service for free ]

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1985 dodge powerwagon, lights went dim driving home now wont start, just replaced battery 6 months ago. starter clicked at first then nothing.


The alternator may not be charging the battery. Jump start it, and use a volt meter at the battery, red lead to positive and black to neg. The meter should read between 13 and almost 15 volts, any lower than 13 volts, the alternator is no good. (this is done with vehicle running).

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Guages stop and irratic idle with dimming lights


what probley happened the alternator started to heat up alittle to much and caused the belt to spin on the pulley i would go ahead and get the alternator replaaced as soon as possible. as for the lights dimming and the gauges not working you was running off your battery making the vehicle mess up i would also get your battery checked while your at it.

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1 Answer

1994 ford taurus 3.0 V6


the alternator is still not charging be sure to check all the grounds on transmission and be sure the plug that goes into alternator is not melted or damaged you may have gotten a dud alternator some aftermarket rebuilds are **** please rate -jeff

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