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Custom Dodge Ram Performance Mods - Engine - 5.7 HEMI V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 5.7-liter HEMI® V8 engine - 390 horsepower, 407 lb-ft of torque.


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  #1  
Old 09-01-2013, 01:10 PM
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Default truck wont start!!! NEED HELP

okay so the last couple days have been hell with my truck. first when I was driving home all the dash lights came on and the rpm gauge was not working so when I got home I shut the truck off and then it wouldn't start so I hooked it up to the battery charger then it started again when it was done charging but about a week later it did it but this time it wouldn't do anything I turned the key over and nothing no cranking nothing just silence but I had power and the radio was on so I just thought I need a new battery. then the next day I bought a new battery I put it in and nothing. same thing as last time. I called the dealership and then towed it there but when it was there off course it started then that day when I picked it up it was fine ran like good but the next day I tried to start it and the same thing happened again just silence when I tried to turn it on. so I thought maybe the starter. I replaced the starter and the alternator the next day. but that helped none its still the same now I have drew a blank I don't know what to do next if anyone has anything helpful or suggestions they would be greatly appreciated thank you.
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  #2  
Old 09-01-2013, 01:20 PM
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I would say the next thing to test or replace would be your ignition switch and or starter relay. It definitely sounds like you are very close to finding the main cause for starting issues. I would almost lean towards your ignition switch because you consistently have a drained battery after a week. The copper contacts might be so worn or corroded that a short must be occuring causing a draw, hence when left overnight, no juice left.
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Old 09-01-2013, 01:26 PM
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that's the next thing I will replace any idea how much? and are they available at autozone?
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Old 09-01-2013, 07:51 PM
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I would check the ground and power wires, not only at the battery but at the starter and alternator. Ground straps have given me many headaches over the years on customers cars. good luck
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Old 09-01-2013, 08:03 PM
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Might be the switch that wont let it start if its not in park. Dont know what its called but that could be causing a problem. Just another idea.
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Old 09-01-2013, 08:13 PM
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Neutral Safety Switch

That's the first place I'd look

Sometimes wiggling the shift linkage helps,
Did you try to start in neutral instead of park?
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Old 09-01-2013, 08:29 PM
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yes I did but I did notice that the boxes around neutral park drive etc are all on?
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Old 09-01-2013, 08:48 PM
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Default

and they don't show up when I try to start the truck
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Old 09-12-2013, 04:00 PM
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turns out the pcm wasnt getting the signal
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  #10  
Old 09-12-2013, 04:02 PM
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Default

to start the motor
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