Question about 1999 Mitsubishi Galant

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99' Galant alternator putting out up to 16.5v keyhole light will not go off, fuse pulled for light,but what is the problem? Can I have the regulator fixed on the alternator without replacing or rebuilding the whole thing?(or is it internal?)

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Yes regulator is held on with two screws onto back of altenator it also contains the brushes,but to be truethfull i would fit an exchange unit as the commutator could be worn as well.Also the piece on its own is nearly as much as an exchange unit

Posted on Feb 01, 2009

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Replaced alternator 3 times and battery 2 times and still getting various readings from alternator voltage on a 2006 mitsubishi galant 4 cycindler ?


depending on the variations
after starting or cranking for a while the voltage will read 14.5 to 14.8 volts as the battery charges up that reading will drop back to 13.2 volts
it will be lower at idle 12 >13 volts as the alternator speed has to be around 1,500 rpms to get the alternator to charge
using the lights and any extra power requirements the voltage will go up to max of 14.5 -14.8 volts to compensate for the extra current required
drive belt condition and tension will cause variations if it is not correct
bad connections ( dirty terminals , loose harness fittings , corrosion) will all affect the ability of the alternator /regulator to produce constant voltage
you will have to ask an auto electrician if the regulator is part of the ECM as most have the regulator in the alternator or a separate unit on the fire wall
If it not part of the ECM then the ECM will have no bearing on the readings

Dec 05, 2016 | 2006 Mitsubishi Galant

1 Answer

2000 Mitsubishi Galant ES 2.4 liter, the electrical issue is that the battery seems to lose power and trips out the radio and will not start and have to put in radio code all the time and fuses seem to...


How old is the battery? More than 3 years it may be failing. Summer heat will test the battery limits.
Could be the alternator / regulator is bad causing large spikes in the voltage.
Take to an Auto Zone or other auto parts store and ask them to test the battery and alternator.
good luck

Jul 07, 2011 | 2000 Mitsubishi Galant

1 Answer

Does the Galant have a external voltage regulator ? replaced the alternator and the car charged hard(18-25 amps) and then stopped. the battery had a full charge.


Doesn't have an external regulator, If battery is reasonably fully charged it doesn't need 25A + of a charge . Put on your rear window de-mister and headlights and check voltage before and during test !
Good Luck

Oct 09, 2010 | 2000 Mitsubishi Galant

2 Answers

Charging system not working have already put in a brand new alternator and new battery


There is a fusible link in the connection between the alternator and the positive battery cable connector.

On the 1997 it is a 175 Amp Mega Fuse mounted on the outside of the high voltage fuse box located on the drivers's side in the engine compartment. After replacing the battery and the Alternator, it turned out to be a $4.99 fuse that was keeping the alternator current from reaching the battery.

The alternator cable bolts on to one end of the fuse, and the positive battery cable bolts on to the other end. You can test it inline without removing it by checking for continuity across the two bolts. An open circuit indicates that the fuse is blown and needs to be replaced.

If the fuse is blown (which means you have an open circuit), the battery light in the dash should be on.

The car will start normally if the battery has enough of a charge, but it will eventually die when the battery is too depleted to keep the car running, because the alternator can't take over if the current doesn't make it across the blown fuse.

If the battery is dead, it will start with a jump start, but it will die shortly after you remove the jumper cables for the same reason.

This is one of those problems that you might not think of right away, and it will drive you out of your mind. ALWAYS check this fuse before replacing a battery or an alternator on a mid to late '90s Model Thunderbird. You will save time, money, and you won't pull out your hair.

Aug 17, 2010 | 1994 Ford Thunderbird

3 Answers

Battery keeps running down, what is the best way


The new alternator may have a closed regulator draining the battery,put a volt meter,or test light in line with the ground cable,remove the ground cable,and put the test light clip on the ground cable,and the tip of the test light to the negative battery post,or contact,it does not have a post,If it lights the test light,and it does not fade off,then there is a draw,unplug the alternator regulator plug,see if that turns the test light off,if it does,then the alternator is defective,then if need to continue testing,remove the interior light fuse,completly,and then pull one fuse at a time,to see if the test light goes off,when it does,that is the circuit that is drawing the battery down.The clocks will pull to many amps sometimes and cause this also,be sure to disconnect the battery over night to make sure the battery is good also,so you wont be doing all this for nothing,and you may want to have the battery load tested.

Feb 25, 2010 | 1991 Chevrolet K1500

3 Answers

The battery does not charge and if i use a new one already charged after a few days this battery becomes unusable, do you guys think the problem could be the regulator?


your alternator is not working anymore i would replace it as soon as possible ....the alternator charges your car battery while you drive.

Oct 29, 2009 | 1985 Dodge Aries

1 Answer

96 Mitsubishi Galant won't turn over


check the charging from alternator if ok you might have a blown fuse ect if no charging 14v id say alternator brushes . or regulator in the alternator

Aug 21, 2009 | Mitsubishi Galant Cars & Trucks

2 Answers

99 jeep cherokee sport 4.0l 6cyl voltage will go to 19v


The problem sounds intermittent, if you put volt meter on the battery while it is at that 19volt mark/reading(on the gauge cluster) you will be able to see if it is true. If your alternator is really charging over 16volts the lights should be getting brighter then usual and/or they are burning out. Find out ASAP, if the alternator has a defective voltage regulator, it needs to be replaced. Prolong use will damage components.

Jun 18, 2009 | 1999 Jeep Cherokee

1 Answer

99 GALANT OWNER MANUAL


try the following link--
http://www.ebooksquad.com/search/1999+mitsubishi+galant+fuse

Nov 12, 2008 | 1999 Mitsubishi Galant

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