Question about 1995 GMC Suburban

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Why is my 1995 suburban keep draining the battery? battery is charged ,alternator is fine , no interior lights are left on what else should i check?

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A defective diode in the alternator can do this, the alternator will test good, also map lights can be left on and most don't see that, check that

Posted on Sep 17, 2010

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Posted on Jan 02, 2017

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Red light looks like a battery with a fan in it keeps lighting up on ford fairmaont ghia 1995 but car is running fine...battery holds charge ..temp fine ..oil fine...????


wonder if it is alternator . Would suggest testing output voltage of alternator when running . Check for 13.4 volts also if not a sealed battery check level of water in battery cells .

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My 2001 renault scenic battery keeps draining overnight i have had it checked and no drain found alternator working fine and new battry bought but problem still exists any ideas please


there is a drain somewhere. do you have any aftermarket parts on the car, like a radio, security system? check those. also check that interior lights aren't left on, also check the boot and make sure the light isn't on there.

Nov 10, 2014 | Cars & Trucks

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Suburban 1996 4x4 2500 7.4 litter my check gauge light comes on after about 1-5 minutes of driving. the check indicator also pops up on the computer dash at same time . the batter voltage meter goes...


SOUND LIKE ALTERNATOR NOT CHARGING BATTERY,WITH ENGINE RUNNING CHECK BATTERY VOLTS AT BATTERY SHOULD BE 13.5 - 14.5 VOLTS.IF NOT ALTERNATOR NOT WORKING CHECK ALTERNATOR BATTERY POWER FEED WIRE AND VOLTAGE REGULATOR WIRES FOR DAMAGE AND LOOSE CONNECTION. CHECK ALTERNATOR FUSE.BEFORE REMOVING ALTERNATOR.TURN OFF RADIO FIRST BEFORE REMOVING THE NEGATIVE BATTERY TO KEEP FROM LOCKING OUT RADIO.

Jul 17, 2011 | 1996 GMC Suburban

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I have a 1993 GMC 4x4 350 suburban that keeps discharging the battery. I have replaced the alternator and still discharge the battery. I was told that it needed a voltage regulator but can not locate where...


The voltage regulator is built into the Alternator. Take out the Alternator and have it
tested at your local Auto Parts store (they all do it free). This will tell you if the Alternator
is your problem or if you need to check elsewhere.

Mar 26, 2011 | 1993 GMC Suburban

2 Answers

Why would the battery be dead every morning if the battery and alternator are good? 1995 GMC suburban we took it into the shop they said it was the mirror light stuck on and draining the battery....


you have a power drain somewhere that is draining the battery check to make sure all the lights are off,the interior light,the trunk light,the stop lights,you also need to check for any bare wires in the engine compartment,this is easier done at night when it is dark,just move any wiring about & see if you can see any sparks .....hope this helps.....cheers

Jul 23, 2010 | 1995 GMC Suburban

3 Answers

Our 1995 GMC Suburban that isnt holding a charge


Several mechanics have looked at it, but has any automotive electricians......

what you have (sounds like) is a current drain.....what you need to do is disconnect the negative terminal from the battery and place a mutimeter in parallel,...(one lead on negative post on battery, and one lead on negative lead)...and set to current reading...it should be 0.05 amps or less...it will jump high first but will settle down.....if it is higher than this amount after a minute, something is causing a drain...

Now I have found that it could be something as a glovebox light not turning off when you close the glovebox, or interior somewhere....or it could actually be the alarm after all......

if you do find a drain, start pulling fuses to determine what might be causing it, if you pull a fuse out and the current goes from 1.2A, down to 0.05A, then you know which circuit could be at fault......

I hope this helps

Jul 20, 2010 | 1995 GMC Suburban

3 Answers

1995 bmw 318is new alternator battery dieing


Re-check the battery cables at both ends. If the cables/connections are good, there's no reason a new battery shouldn't hold a charge, even one that's been drained. If the connections are good, it's possible you either got a bad battery or it was sitting on the shelf for a while before you bought it. If this was the case, a good slow charge should solve your problem but if it doesn't I'd bring the battery back to the retailer and have it replaced. Hope this answers your question and All the best!
Greg

Jun 14, 2009 | 1996 BMW 318

2 Answers

95 concours battery keeps draining out


CHECK THE FUSE OF THE ALTERNATOR OR CHECK IF THE ALTERNATOR IS CHARGING

Apr 10, 2009 | 1995 Cadillac DeVille

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