Question about 2000 Dodge Grand Caravan

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Electrical: I have a 2000 Dodge Grand Caravan and the battery light came on . So i hooked up my tester on the alternator and got a low output, than disconnected the negative terminal while the engine

I also noticed a leaky front valve cover gasket, and the oil is spreading all over the engine. I was thinking that may be it could affect the electrical wires and connectors in the charging system, just a thought...

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  • David E. Colglazier May 19, 2014

    My 2000 Caravan developed this problem after our hard winter so I searched and found that tapping the alternator might reveal that the brushes were intermittent. Sure enough, a slight tap caused the charging voltage to come on at around 14 Volts. A new brush assembly was under $10 on eBay and after finally getting the alternator out and the brushes replaced, re-installed all was well!

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My 2000 Caravan developed this problem after our hard winter so I searched and found that tapping the alternator might reveal that the brushes were intermittent. Sure enough, a slight tap caused the charging voltage to come on at around 14 Volts. A new brush assembly was under $10 on eBay and after finally getting the alternator out and the brushes replaced, re-installed all was well!

electrical: I have a 2000 Dodge Grand Caravan and  - 8d51f465-7bb3-4807-a01d-180a2372a31b.jpg

Posted on May 19, 2014

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Never disconnect the battery while the engine is running on a newer vehicle. You can run the risk of spiking the computer with voltage and ruining it. Older vehicles this would have been a common practice to see if the alternator was working. Newer vehicles rely on the battery completing the circuit!

If there is low charging voltage than the alternator is likely bad. The wires could be submerged in oil and it would not effect charging voltage. A new alternator will likely take care of the problem.

Posted on Feb 21, 2012

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2 Answers

2011 dodge grand caravan engine malfunction light keeps coming on. Dealer traced it to a bad battery, had a new one installed and codes disappeared. Now light is back on. Codes P0740/P0562 show up


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Battery good alternator good could it be pcm on 2000 dodge grand caravan


Using a volt meter, you need to measure the voltage across the the batt. terminals when the engine is running. you should read near 14.5 volts DC (or more) if the alternator(charging circuit) is working. WARNING be real careful of moving fans,belts and hot parts.

Feb 07, 2012 | 2000 Dodge Grand Caravan

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I have a 2000 Dodge grand caravan, and the battery won't charge while the car is running, it just keeps using the battery until its dead. We have replaced the computer, and had the alternator and battery...


Hello allyssiandra.
The green wire leading to the alternator is grounded by the computer to complete the field circuit.
The dark green/orange wire is power supply to the field circuit fed by the auto shutdown relay.
The large output wire out of the stator in the alternator should have battery voltage on it at all times. Test to verify this power at the alternator terminal. There is a fusible link in this feed wire that could have went open circuit.
To test the system manually ground the green wire with the engine running. This is called a full field test. This will put the alternator in full output. If it doesn't, apply positive battery power to the dark green/orange wire with the engine running. This bypasses the auto shut down relay.
Hook up wires at the alternator before starting the engine for safety sake.
Do this much and report back here to me and I will help with the next step in repair.

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Apr 03, 2010 | 2000 Dodge Caravan

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Feb 26, 2010 | 2000 Dodge Caravan

1 Answer

Need to know what p0622 and p2503 diagnostic codes are. is this my battery? this is on an 2005 grand caravan


Sounds more like an alternator problem. Check output voltage of alternator, code P2503 indicates low voltage. Check/clean all connections at battery and alternator, as well as check all fuses/relays under hood in fuse relay box, just in case fuse blown as well. If all checks out good, you may need a new alternator.

Dec 20, 2009 | 2005 Dodge Caravan

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My 2000 Dodge Grand Caravan will not turn over. All I get is a "Click." The Alternator and starter were just checked out and they are fine. Is there some kind of electrical relay switch that could be bad?


Try taking both battery connections off and cleaning both battery posts with like a wire brush then take like a piece of 150 grit or so sand paper and put it in the end of each battery cable and sand them till they are fairly shiny then hook battery back up and try and start the van.

Sep 09, 2009 | 2000 Dodge Grand Caravan

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Need to add freon to 2000 Dodge Grand Caravan


You need to add to the low side of the system with the system running.

Jun 11, 2009 | 2000 Dodge Grand Caravan

1 Answer

BATTERY LIGHT (idiot light)


Good Day
You are right the alternator is most likely done,( regulator in the alt) This is some thing that you should take care of right away, Right now the battery is doing all of the work and it will not keep the charge up. Hope that this helps you out please let me know how you make out.

Cheers

Sep 18, 2008 | 2000 Dodge Grand Caravan

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