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Re: 2013 caravan won't start unless it is jumped
[Re: dirt]
#3120798
02/11/23 10:03 PM
02/11/23 10:03 PM
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Joined: Jan 2003
Posts: 15,993
Omaha Ne
TJP
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 15,993
Omaha Ne
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I got a brand new battery 12.6V, and it cranked fine but would not start. I charged the new battery up to 12.9 volts and it fired right up. The strange thing is I have 2 , 2013 grand caravans. the old battery works in one van but not the other. Another weird thing is that when I jump started it and it started, It would only rev to exactly 3000 rpm. but after i let it run half an hour and charge the new battery up to 12.9v I could rev it up way over 3000 rpm.
I dont think my multi meter will test how many amps the starter is drawing. I missed the above part on my first read  I am going to say you have a ground or connection issue somewhere with almost 100% certainty. Might try Noid lights to see if the injectors are firing, then onto the ignition for spark. Do keep us posted 
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Re: 2013 caravan won't start unless it is jumped
[Re: TJP]
#3120802
02/11/23 10:16 PM
02/11/23 10:16 PM
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Joined: Jan 2003
Posts: 21,741
N.E. OHIO, USA
A12
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 21,741
N.E. OHIO, USA
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,   OHHH, zee verrdee nice pichures, Vaht kined uf german Veehickul?
Sorry that 💨💨🟤  An old '95 E320 with the M104 6 and somewhat clean and well taken care of, I never would have suspected this. Went to pick up lunch for my son for work, parked in the driveway to rush lunch in for him and figured I'd move it after he was off to work. It wouldn't start and so the long diagnosis started from camshaft position sensor, to crankshaft position sensor, to fuel pump testing, to denial that it may be the dreaded GREEN DEATH. Pulled the front engine cover off and there it was the first indication a ground wire with the insulation flaking off. The dreaded eco wiring harness that considering the car's shape and care it just couldn't be, but it was.  Mike
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Re: 2013 caravan won't start unless it is jumped
[Re: A12]
#3120915
02/12/23 12:57 PM
02/12/23 12:57 PM
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Joined: Jan 2003
Posts: 15,993
Omaha Ne
TJP
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 15,993
Omaha Ne
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, OHHH, zee verrdee nice pichures, Vaht kined uf german Veehickul?
Sorry that 💨💨🟤 An old '95 E320 with the M104 6 and somewhat clean and well taken care of, I never would have suspected this. Went to pick up lunch for my son for work, parked in the driveway to rush lunch in for him and figured I'd move it after he was off to work. It wouldn't start and so the long diagnosis started from camshaft position sensor, to crankshaft position sensor, to fuel pump testing, to denial that it may be the dreaded GREEN DEATH. Pulled the front engine cover off and there it was the first indication a ground wire with the insulation flaking off. The dreaded eco wiring harness that considering the car's shape and care it just couldn't be, but it was. Mike That 💨 , I wonder what my old german boss would say? Actually I know but can't post it. A Great man and a straight shooter, I can assure you whomever was involved would have been out the door by the next payday 
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Re: 2013 caravan won't start unless it is jumped
[Re: dirt]
#3264357
10/15/24 07:07 PM
10/15/24 07:07 PM
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Joined: Jan 2003
Posts: 10,683
S.E.Ohio
Magnumguy
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 10,683
S.E.Ohio
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The problem turned out to be the fuel pump relay. Good you found it. Now I hope I remember if my 2014 does this.
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Re: 2013 caravan won't start unless it is jumped
[Re: moparx]
#3264830
10/17/24 08:53 PM
10/17/24 08:53 PM
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Joined: Jan 2003
Posts: 15,993
Omaha Ne
TJP
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 15,993
Omaha Ne
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The problem turned out to be the fuel pump relay. how did you find this ?  It was MAGIC, or he got lucky 🤫🤣🍻
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Re: 2013 caravan won't start unless it is jumped
[Re: TJP]
#3264888
10/18/24 09:29 AM
10/18/24 09:29 AM
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Joined: Sep 2003
Posts: 20,491
north of coder
moparx
"Butt Crack Bob"
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"Butt Crack Bob"
Joined: Sep 2003
Posts: 20,491
north of coder
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with every ride i own, i have the FSM, or the set, if there is more than one volume. the diagnostic trees are the key to solving problems, especially on OBD2 systems. just my life experience with my personal vehicles. your mileage will vary.
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