Question about 2002 Dodge Intrepid

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Battery light on 2003 intrepid came on

Battery voltage tested ok but charging circuit showed low reading.

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If the charging circuit is low, then it appears that your alternator is going bad....

Battery terminals, when car is off, should read 12V+-.2V. When the car is running, terminals should read 13V-14V=-.2V

Posted on Sep 11, 2009

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You altinator has a bad diode in it you will have to replace altinator,

Posted on Sep 11, 2009

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1 Answer

Location of the headlight relay.


Has no headlight relay ! your headlamps not working ? high or low ? You have a headlamp switch an a dimmer switch for low or high beams ! The main light switch should have battery + voltage all the time .You can go to http://bbbind.com/free_tsb.html free wiring diagrams ! Shows fuse's , connectors an wires at main light switch an dimmer switch ! Suggest you go on youtube an watch a few videos on electrical circuit testing an how to read a wiring diagram ! Pull the main light switch out of the dash an test for B+ voltage an test at the dimmer switch too. Test the whole circuit !

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Battery light stays on


Batteries are difficult to test properly. They must be tested under load to determine the internal resistance... once the internal resistance is too high then you must replace the battery. Using a multimeter test the voltage. Write it down. Then turn on the headlights maybe even the radio and the blower, wipers etc (leaving the engine off) then take a voltage reading again. A charged battery should be near 14 volts readings below 12 volts shows a bad battery.

Oct 18, 2013 | Cars & Trucks

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Is there a diagram from a evap circuit for a 2004 intrepid 3.5L HO


this code is related more to an electrical condition...
there is a series of tests to do to track this one down.

P0443-EVAP PURGE SOLENOID CIRCUIT
When Monitored: The ignition on or engine running. Battery voltage greater than 10
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1996 lerado grand cheroke jeep, battery gauge went to to negative, no power new won;t stay running new battery, alternator checks out good any ideas


First check your battery get a cheap digital volt meter. Free at Harbor freight with a purchase. Fully charged battery 12.6 volts Not 12.5 or 4 or 3. With the volt meter set on DC volts touch the battery and have someone start the car if the meter shows high 13.5 to 14.7 the alternator is ok if it is less replace. If you have a dead short take out every fuse and relay from the black box under hood by the battery. Remember where they go and plug them one at a time until the discharge hits and at least you will know what circuit it is.They also sell about 20 dollars a plastic meter you hold over the positive battery cable to see if the starter is drawing to much power A battery open-circuit voltage test will show the approximate state-of-charge of a battery. This test can be used if no other battery tester is available.

Before proceeding with this test, completely charge the battery. Refer to Standard Procedures for the proper battery charging procedures.
  1. Before measuring the open-circuit voltage, the surface charge must be removed from the battery. Turn on the headlamps for fifteen seconds , then allow up to five minutes for the battery voltage to stabilize.
  2. Disconnect and isolate both battery cables, negative cable first.

118345962 Testing Open Circuit Voltage

  1. Using a voltmeter connected to the battery posts (see the instructions provided by the manufacturer of the voltmeter), measure the open-circuit voltage.

118345963
See the Open-Circuit Voltage Table. This voltage reading will indicate the battery state-of-charge, but will not reveal its cranking capacity. If a battery has an open-circuit voltage reading of 12.4 volts or greater , it may be tested to reveal its cranking capacity. Refer to Standard Procedures for the proper Micro 420 battery test procedures.


s than 13.5 alternator is bad

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1 Answer

I have only high beam light


Check the low beam relay, it may have no power to it. If not check the light switch for power at all terminals as you operate it. If the power is Ok then the relay or the bulbs may be faulty.
How old is the battery it may not hold a charge anymore. get it tested with a load test. Make sure the alternator is charging. The battery voltage should read about 14 volts when charging and just over 12 volts when not. Turn on all the lights and see what the voltage is then, should be still 12 volts.

Nov 05, 2011 | Cars & Trucks

1 Answer

Okay my boyfriend has a 1999 dodge intrepid with 172,000 miles on it. he bought a new battery but now the battery light is still on? do you know what the problem could be? also what could he do to get it...


if the battery light is on while running the charging system is not working.you can check
with a volt meter,setting meter to dc volts & connect meter leads to battery.reading should
be 13.2 - 14.5 volts if lower than this your only reading battery voltage.check single red wire to the alternator it should read battery volts 12v.if battery voltage is present than alternator is faulty,if no voltage reading you'll need to trace & repair the wiring
note; battery should be fully charge before testing

good luck

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1 Answer

2002 kia Rio Altenator not chargeing ( alt light not showing discharge ) Changed alt, Check out put with volt meter still putting out only 12.2 should be 13.8 Alt checked out OK on bench...


Hi, the actual output voltage produced by the alternator will vary depending on temperature and load, but will typically be about 1-1/2 to 2 volts higher than battery voltage. At idle, most charging systems will produce 13.8 to 15.3 volts with no lights or accessories on. This can be measured by connecting the positive (+) and negative (-) test leads of a voltmeter to the battery posts while the engine is running.

Possible cause of the alternator not charging includes Slipping or broken alternator belt, Open diode, Open circuit in stator windings, Open charging circuit, Open field circuit, Worn brushes or slip ring and Defective voltage regulator..

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My 03 yukon xl is having a issue with entire electrical system check engine light dianostic shows low battery low charge when it reads,when operating front power windows all lights dims.scanner shows good...


Check all grounds ie motor to body ground strap connections for corossion, battery to motor ground, battery to body ground. You have to check under bolt to see if there is coeossion. Bad grounding can cause all sorts of electrical problems

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2 Answers

Battery test proper voltage, new alternator test normal to low voltage,have trouble starting at times. while driving amp gauge shows varying readings of 14 to 10


If you test battery with a load test it will probably fail. Battery is bad. Also have alternator tested. Go to any parts store, even walmart they all test for free. I would put my money on bad battery. Cells getting weak.

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Replaced alternator on a 2002 ford taurus, still showing low voltage engine light still coming on


You have to test the alternator output, should be about 14 - 16 volts.

Test your battery too, fully charged battery should be about 13 volts.

If these check out ok, the problem is the sensor or the wiring in the sensor circuit

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