Question about 1988 Mitsubishi Pickup

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Eating alternators mitsubishi shogun 1994 2.5td gls

Fitted 2nd hand alt lasted two weeks before flat battery.fitted brand new alt lasted two weeks.turn on ignition start engine 14volts at batt for about 1 minute then alt drops out comes back online for about 5 mins then drops out -this is all at tick over.original alt removed because of cracked mounting bolt lug.the two alts after this had different plug for exciter wires - ign switch/12v supply from batt - but no indication on alt as to which wire goes on which connecter.L/S?can you blow regulator if wires wrong way.havent checked out relay in engine bay fuse box 60/100 blow fuse for heavy red from alt to batt ok.batt indicator light comes on at turn of ignition key but upon start doesnt come on or remain on thereafter. any ideas or things to check?

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  • Contributor
  • 31 Answers

Is your a 12v or 24v some imports are 24v and engine parts are different thanks brian

Posted on Aug 22, 2009

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  • 347 Answers

SOURCE: I have a mitsubishi shogun 2.8 GLS, three lights

the alternator is maybe defective. the fuel filter is clogged. fill up oil to recommended level.

Posted on Sep 27, 2009

BCAS1298
  • 3092 Answers

SOURCE: I have a 94 merc

Need to check voltage at back of alternator, should have no less then13 volt's, if you do alternator is good, this is just a self test for you, with engine off, with test light check for voltage at back of alternator, test light should light up, if it don't look for blown fuse link at starter solenoid on fire wall. most of the time a fuse llink will have a tab on the wire, pull genly on wire, if it feels rubber like, bad fuse link,

Posted on Aug 17, 2010

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1999 3.2l. Why are battery and brake lights on?


was not on before the new alt,? is alt new or used.?
or came on only after the new ALT?????????
my guess, is 2 failures.! (one ignored and 2nd grew)
on with engine running, guess yes.
Good question and is same answer on all cars.
1: engine rpm too low, what is yours (below 80 rpm)
2: fan belt slips. bad tension pulley (weak and old???)
3: Alt bad, or its wires bad.
4: brake level low, (@MC) or hand brake switch stuck on, or other brake failures. a plenty, scan the PCM and ABS if you have ABS.
id not drive it with the brake lamp on (Savvy?)
the battery light is really the ALT charge lamp.
it glows anytime the Charge system can not charge the battery
if you drive far like that, the engine will stall and not crank.

5: the horn fuse power the alternator, so check the horn fuse
10amp , key on, 12vdc on both sides of fuse is needed/
fyi: the meter fuse runs the charge lamp, if said lamp is dead bingo.
6: fact 2, the PCM does NOT run the Alternator on the 3.2L .
7: alternator case not grounded right.
8: battery is bad, causing alternator to drop off line
9: battery cables bad, at the 4ends or they are bad.
10: the plug on the rear of alt is bad or its wires or pins rusty.


brakes:
the brake lamp has 3 inputs ("OR" logic) master cylinder level low.
the hand brake lever and the EBCM (electronic brake control module)
a technician unplugs each to see what causes the error.
if you unplug mC wire and hand brake wire
then the EBCM is UNHAPPY, scan it.

Jul 31, 2015 | Isuzu Rodeo Cars & Trucks

1 Answer

Overchanging alternater (ECU?)


The ECU has no control on the voltage. Does your vehicle have a separate voltage regulator? If so that's your fault. A lot of alternators have the regulator built into them. The alternator needs to be put on a test rig away from the vehicle and the output tested, this will eliminate the vehicle, You could disconnect the wiring to the alternator, run three fly leads to the alternator and to a separate battery and run the engine and test the voltage on the spare battery. Wire 1: Battery neg to case of alternator Wire 2: Battery pos to + terminal on alt (the thick wire) Wire 3: Battery pos through a 5 watt bulb to the ind terminal (ignition light) 17 volt will blow another battery for sure.

Jan 07, 2014 | 2002 Hyundai Elantra GLS

1 Answer

I have a mitsubishi shogun 2.8 GLS, three lights


the alternator is maybe defective. the fuel filter is clogged. fill up oil to recommended level.

Sep 26, 2009 | 2003 Mitsubishi Outlander

1 Answer

Bad alternator


the alt is on your fan belt but not sure if it's top or bottom of your engine if it's the top then you might be able to loosen your belt tensioner remove the belt and unbolt the alt, mark all wires both on car and old alt, it really helps when refitting the new 1. then reversing the process to fit the new alt. if it's bottom of your engine then you might need to lift the engine, a lot of work.

May 19, 2009 | 2002 Mitsubishi Diamante

2 Answers

Last 14 months - 4 new batteries & new alternator fitted. Car still not starting and had to be returned to garage! Any ideas!


You need to have your electrical system checked for excessive draw. If the shop that worked on it has not done so, bring it to another shop...This is a routine procedure which definitely should have been done at least after the second battery! I can't offer a solution or "quick fix" because without doing that procedure I'd only be guessing!!!

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1 Answer

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try reseting computer by unpluging battery terminal and see if will clear the default

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