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  #1  
Old 01-06-2013, 07:21 AM
ratt587 ratt587 is offline
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Default won't start??

Went out to move my 2007 Dodge Ram, 5.7. Moved it, maybe 40 feet and parked it. Shut it off. Had to move it another couple of feet for a guy behind me...wouldn't start. Nothing..just warning lights on the dash. Unhooked the battery cable and put it back on...bang it started. What is the problem?
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  #2  
Old 01-06-2013, 09:24 AM
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Hard to say without grabbing a test light or volt meter and checking a few things.
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Old 01-06-2013, 09:56 AM
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i would guess there is possibly a alternator issue or battery charge is low. if all the idoiot lights came on then that leans towards low power and the computer doesnt have enough power to control everything.

how old is the battery ?

if it restarted , how did it run after ?

if the alternator is going bad it should be whinning or making some sort of noise.

also if the alternator is going bad and you wait to long it will fry your computer , then it gets expensive .

good luck and sorry for your problems
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Old 01-06-2013, 12:40 PM
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Quote:
Originally Posted by dwanton View Post
i would guess there is possibly a alternator issue or battery charge is low. if all the idoiot lights came on then that leans towards low power and the computer doesnt have enough power to control everything.

how old is the battery ?

if it restarted , how did it run after ?

if the alternator is going bad it should be whinning or making some sort of noise.

also if the alternator is going bad and you wait to long it will fry your computer , then it gets expensive .



good luck and sorry for your problems
A dead battery isn't likely to start the engine after a battery disconnect and the age of the battery is irrelevant so long as it passes a load test.

Not all bad alternators will whine or make noise of any kind. This symptom is typical of a failed rectifier but other problem can exist that will never make a sound. Also, a failed alternator is in no way guaranteed to kill a PCM or any other module.
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Old 01-06-2013, 03:49 PM
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Quote:
Originally Posted by RamTech View Post
A dead battery isn't likely to start the engine after a battery disconnect and the age of the battery is irrelevant so long as it passes a load test.

Not all bad alternators will whine or make noise of any kind. This symptom is typical of a failed rectifier but other problem can exist that will never make a sound. Also, a failed alternator is in no way guaranteed to kill a PCM or any other module.

you didnt give any help with your first reply ? so you go after my reply.
real nice

but you are a Ram tech so you know whats best - right !

good luck ratt587 , i hope you get things fixed up
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Old 01-06-2013, 05:49 PM
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Quote:
Originally Posted by dwanton View Post
you didnt give any help with your first reply ? so you go after my reply.
real nice

but you are a Ram tech so you know whats best - right !

good luck ratt587 , i hope you get things fixed up

The original post was kind of vague on details. And, yes, Ramtech IS a pro so I think what he has to say usually carries some weight. What's YOUR story?
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Old 01-06-2013, 06:09 PM
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Quote:
Originally Posted by dwanton View Post
you didnt give any help with your first reply ? so you go after my reply.
real nice

but you are a Ram tech so you know whats best - right !

good luck ratt587 , i hope you get things fixed up
No I was dispelling the incorrect information that you posted so he doesn't waste time on it. Sending the OP on a wild goose chase isn't a bit helpful.
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Old 01-06-2013, 06:45 PM
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Originally Posted by RamTech View Post
No I was dispelling the incorrect information that you posted so he doesn't waste time on it. Sending the OP on a wild goose chase isn't a bit helpful.
look - I had no intention of misleading anyone .

I just had a similar problem -- the truck lost power , wouldnt start , replaced the battery , then was dead again , had it towed in to diagnose it and my problem ended up being a faulty altinater and after being hooked to the shops computer figured out that the bad alternator must have fried the trucks PCM. after the new PCM was installed and reprogrammed the truck ran fine.

we would like to say that no 2 problems are exatically the same - but in the automotive repair business you have to start somewheres. in which I was not trying to send the OP on a goose chase.

This is horrible for me to be accused of misleading someone -- I just hope I did not cost the OP any time and money --

ratt587 I am so very sorry for misleading you in anyway .
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  #9  
Old 01-07-2013, 09:50 AM
ratt587 ratt587 is offline
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Battery is probably as old as the truck...no info history. Can't hear any whining from the alt. Hard of hearing...old. But the truck runs fine and no further probs. Thanks for the come back though. I' ll have the battery checked as well as the alternator. Love the forum.
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  #10  
Old 01-07-2013, 10:11 AM
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Can you tell if the starter is clicking when you turn the key over?
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