Question about 1995 Buick Park Avenue

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95 buick shows 13-14 volts but red light comes on

Batt. has 13.47 alt ck under load shows 15.5 . in the car volt meter 13.5 but red light gos on and off beside it

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Posted on Jan 02, 2017

  • 39 Answers


turn on car and use voltmeter on the sensor get the base reading then get a reading with the throttle partly opened and see if it increases or what. it could be faulty, if it is not within spec then get a new one, unplug the batter negative terminal and install new sensor. reconnect everything and you shuold be on your way!

Posted on Feb 06, 2009

  • 532 Answers

SOURCE: sputtering while driving

try a tune up-plugs and wires-and air filter

Posted on Apr 23, 2009

  • 599 Answers

SOURCE: voltage problem on 91 Buick Park Avenue

sounds like the voltage regulator is not working, at the terminals you tested voltage should be above 13.6,also make sure you have good grounds,these should be tested with an ohm meter,meter should read zero,no resistance, if you need more help get back to me and we'll do some other tests,please rate my fix as i strive to be the best

Posted on May 13, 2009

  • 2007 Answers

SOURCE: 95 buick lasabre headlights wont come on

If you have power to the socket, then it's your bulbs that are the problem. Or a bad ground wire.

Posted on May 21, 2009

  • 353 Answers

SOURCE: 1997 Buick Park Avenue Ultra. Replaced battery,

recheck your body ground may have surface rust on bolt, body, or connection

Posted on Aug 21, 2009

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1 Answer

I have an '02 Buick Rendezvous with a problem with the charging system. I got a new battery but haven't changed the alt. Some people have told me its the alt wire that charges the batt. Please help.

Yes that is true BUT
most of the time this is simply a dirty cable to battery connection.
Did you clean the cable connection down to silver color inside when you changed the batt? Folks buy new batts all the time when all they needed to do was clean and tighten them.
With the engine running put volt meter test leads one to ground and on each side of of alt out wires one then the other. should be 13+ volts
then put them on each side of battery and it should be the same. If not take it to the Auto PARTS store and have them check the alt for free.

Hope this helps Mike

Mar 06, 2016 | Buick Cars & Trucks

1 Answer

Is there problems with these alternators?

No it dosn't sound like its the ALT.
You need to check the output alt .Take a volt meter with the vehicle running and the meter set to 20 volts DC black to black red to red on the battery you should 14 to 16 volts 12 or under is no good.
If your ok with voltage shut off vehicle disconnect the NEG terimanl from the battery . Meter on same scale check the battery voltage its a 12 volt battery so it should 12 volts but you say its new .
The problem you may be haveing is a short someware in the vehicle.
You can test for this with the meter on same scale by leaving the NEG cable off the battery vehicle not running red to red black to ground on engine or know good ground under the hood . If you read voltage you have a short some ware in the vehicle and it depends how much voltage you read 1 volt its something small like a switch or something that dosn't draw a lot of AMPS .If its like 5 volts or more then its like a motor something that needs a lot of juice to opperate starting motor window motor seat motor check the connectors to them first its the easyest thing to look at also check the fuse box I have mis labeled fuses that should be 10amp but dont burn out and the wires start to melt .
These are not easy problems to figure and tend to be expensive to have someone else fix so the more you can figure out the more money you will save
Good luck

Mar 10, 2015 | 2003 Ford Focus

2 Answers


your voltage is only going to be what ever your batt. is charged up to proper way to check alt out put is to disconnect batt,use volt meter from + lead to poss cable - lead to ground cable, voltage sould be 12.9 to14.0

Aug 17, 2013 | 2000 Nissan Maxima

1 Answer

Chevy venture draining battery

The alternator is out. The ONLY time your vehicle uses battery power (while the engine is turning) is during start up. After that the alternator runs the car.

With the car running put a volt meter on the alternator. Red lead on the big nut on back side if alt. Black lead on the neg batt cable or a good body ground. Voltage should be around 14.5v DC.
Then still with engine running, red lead to batt postive, black lead to batt neg. Voltage should read the same. 14.5v DC
If not, the alt. Is bad

Dec 31, 2012 | 2002 Chevrolet Venture Passanger

1 Answer

Gauge showing low output alt only 1yr old wondering if it could be regulator or batt or wiring

if you have access to a digital multimeter, connect the meter (set to volts) across positive and neg. terminal of the battery, should read roughly 12.6 volts, close to 10 volts, battery may be going out, also test the alt output, disconnect neg term and place negative lead to battery neg post and positive lead to neg battery cable (make sure meter is set to amps) should read near the rating, if both those, then you'd want to do a resistance test, (set meter to Ohms) disconnect battery and connect meter neg to either pos cable terminal or where the pos cable connects to the alt and connect positive lead to opposite of neg, should read next to 0, the check resistance of the ground by connecting meter between batt neg cable and body of alt.

- Spenser

Apr 04, 2011 | 1988 Ford F 250

1 Answer

My alternator went out, or so I thought. I replaced it and the system still won't charge. I just replaced the battery and I know it is good. What could the problem be?

battery cables corrosion or lose. Also could be lose nut on alternator where large wire is. Clean and tighten all wire ends + - and alt. that don't work get an dc multi meter and check voltage on alt at nut when running should be like 13 to 14.5 volts black to batt ground and red to alt on multi meter. if it's not 13-15 your alt. is bad. Get your batt load tested free at autozone.

Nov 27, 2009 | 1999 Ford Expedition

1 Answer

I replaced the alt and batt on my 2001 chevy 2500, now the red batt light flashes on and off. The volt meter reads normal.

Its probably something as simple as loose sensor that needs reconnecting, but drive the car down to any auto repair shop and they can do a Free OBD and tell you exactly the problem.

Aug 09, 2009 | 2000 Chevrolet 2500

1 Answer

My 1978 F-250 has an ALT light. I have replaced

1978????? my best guess would be loose connection somewhere or glazing on a terminal. however with that many years on it I have seen the wires between the alt and batt and volt regulator get rusted under the coating (usually toward the ends) so you could peel back the casing and check that. you may need to replace those wire harnesses

Aug 05, 2009 | 1982 Ford F 250

1 Answer

Battery light keeps coming on display says battery not charging

start put volt meter on batt. should be between 13-15.5 volts if not alt. could be defect,if no meter pull neg. cable off batt. while its running be carefull! not to touch anything with cable, if truck stalls,alt,is probably defect!

Mar 07, 2009 | 2003 Chevrolet TrailBlazer

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