Question about Cars & Trucks
Did you load test it? How old is it?
Best solution replace it with a new one
They can do the load test
Only use distilled water
Sir Dana Taylor
Posted on May 20, 2017
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Posted on Jan 02, 2017
First check alt At The Back of Alt Big Red Wire Were hooks to Post (stud) Do you have voltage ?? How Much??
What Voltage do you have at same Place with Engine Running ??
Now At wires Were they plug into Alt ,Top. Wires in White Plastic Clip, Do You Have Powe With Key On ?? How Much Voltage??
Jump across the 2 in the clip (with Engine Running)ONLY TEMPORARY!! Do You Have Voltage at Battery ?? How Much??
If Over 13volts With Clip On (Jumped) You Need A Internal Voltage Regulator ..
Is Batt Light On on Dash ??? Theres A Lot Of Testing You Can Do !!! And I will Need More Infomation to Keep Going ... These are just some Possible Problems No Way In Depth ...
Could Be a Number of things Or May be Just as Simple As a Blown Fuse, Dirty Batt Cables ETC etc etc I Hope It Puts You On The Right track !!!!!!!!!!
Posted on Jan 07, 2009
Replace your battery when its being tested there not testing it under a heavy enough load. A battery could have a dead cell in it and still show good on the charger. I've had that problem a few times.
Posted on Jul 07, 2009
9 times out of 10 it is the factory amplifier. I had this same problem and it was the amplifier. Disconnect the amp located in the trunk by the speakers and see if the drain continues. You will not have music, but having the amp replaced with an aftermarket one will solve this problem,
Posted on Jan 14, 2010
SOURCE: I have a 2000 Dodge
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.
Posted on Apr 03, 2010
Taking in all you said here, The alternator is bad. The alternator should be tested when is hot. 95% of the time-- when an alternator is checked cold, it wiil pass as good. CHANGE your alt. it will take care of your problem.
Posted on Feb 01, 2011
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