Question about 1995 Buick LeSabre

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On a 95 buick lesabre 3.8 every cold start the alternator only charges about 8 or 9 volts,after about 3-5 miles of driving the alternator begins working fine. It never goes from good to bad. Replaced the alternator,same thing. It did leave me stranded once after about 25 miles,belt and tensioner seem fine.

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  • honeymokey
    honeymokey Mar 13, 2011

    Did you clean all three battery cable ends and replace bolts?

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  • Master
  • 3,113 Answers

Clean all three battery cable connections to battery and replace bolts

Posted on Mar 21, 2011

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I have a 95 Buick LeSabre and my volt light is on won't keep no charge got a new battery too what could it be


It is most likely going to be your alternator. That is what charges the battery after it is started.

Sep 23, 2015 | Buick Cars & Trucks

2 Answers

2003 Buick Lesabre Battery is good and Altnator is good but is not charging the battery, I have no idea what it could be??


Chances are its the wire between the alternator and the battery, or the circuit that goes to the warning light on the dash. The warning light powers the volt regulator in the alternator which "turns on" the alternator.
The wire between the alternator and the battery is designed to burn and cut the connection much like a fuse.
You may have to get a shop manual or repair book to get the wiring diagram needed to troubleshoot the circuits.

Dec 23, 2012 | 2003 Buick LeSabre

1 Answer

94 buick 3.8 engine not charging Battery right


Its a fairly simple system. The alternator gets a signal from the circuit for the warning light and-or gauge to activate the voltage regulator inside the alternator. The large wire between the alternator and the battery or starter is fused for protection.
Could be a problem with that circuit back to the instrument cluster, or the circuit to the battery, or a ground connection. You could also have a second defective alternator.

Oct 03, 2012 | 1994 Buick LeSabre

1 Answer

Lights dim and the speedometer varies going down the road. Also the cruise control and cooling fan quit working . Is this a problem with the wireing harness or a relay? Any help would be appreciated.This...


Have the alternator checked,it needs to be checked at the battery,with the lights on,and ac on high blower setting,the voltage reading should be 13.65 volts to 14.25 volts,any less,it needs a new alternator,have the battery checked and charged up on a slow charge,about 36 hours,this will give it a full deep charge,a fast charge does nothing,it only gives it a surface charge,and it does not stay.If this was at all helpful,please rate,thank you,the electric system can not run all the features,and the ignition with the alternator not charging correctly.

Jun 11, 2010 | 1995 Buick LeSabre

1 Answer

How can you tell if the altinator is bad


check ur belt first sounds loose or worn if steering is affected when the volt light came on but if u bring alternator to an auto store such as auto zone / advanced can test it for free check with the local auto stores in ur area

Jan 18, 2010 | 2002 Buick LeSabre

2 Answers

93 Buick LeSabre. Battery not charging


use a volt meter while the car is running to check the main wire or large red wire coming off the back of the alternator it should read a steady 14 volts, the volt meter must be set at dc 10 amp settings, ground the black wire to ground or a metal surface some where on the car and touch the red probe wire on the volt meter to the main terminal of the alternator as i said it should read a constant 14 volts if it doesn't the alternator is bad.

Sep 04, 2009 | 1993 Buick LeSabre

2 Answers

MY WIFES 95 LESABRE PUT ALERNATOR


THE BLOWER MOTOR PROBLEM IS THE MODULE AKA BLOWER CONTROL MODULE IT SITS IN THE COWLING NEAR THE BLOWER MOTOR , CHEAP FIX DEALER PART MAYBE NAPA, COMMON PROBLEM .. ON YOUR ALT PROBLEM THESE ALTERNATORS ARE CIS UNIT WHICH MEANS THE ALT HOUSES ITS OWN CIRCUTRY TO KEEP BATTERY CHARGED IT SENSES LOADS AND DEMANDS THE CHARGING MAKE SORE YOU HAVE 12.6 VOLTS AT THE LARGE WIRE ON THE BACK ALSO GET YOU A VOLT METER TO READ VOLTS THE PARTS HOUSE HAS THESE TESTERS FOR FREE THEY CAN TEST IT ON THE CAR, WITH ALL THE COMPUTER ELECTRONICS ON THESE CARS TODAY ITS NOT WISE TO REMOVE THE BATTERY CABLE ? THAT ONLY WORKED ON OLD NON COMPUTERIZES CARS ?EVEN A GOOD WORKING CAR WILL DIE WHEN YOU PULL THE BATTERY CABLE? BACK TO THE ALT GET A NEW AC DELCO UNIT THERE SAME PRICE AND WORK ALOT BETTER ... GOOD LUCK

Aug 24, 2009 | 1995 Buick LeSabre

1 Answer

Car stalls while driving, sometimes doesn't start,& tach on & off


Check the battery if the battery is dead replace battery. Also check the alternator - it is probably not charging the battery. If this is the problem the alternator will need to be replaced.

Aug 02, 2009 | 2000 Buick LeSabre

1 Answer

Car trouble


check your alternator it might not be charging

Jul 08, 2008 | 1993 Buick LeSabre

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