Help!!!!

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steveklemme

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Apr 9, 2013
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Ram Year
2003
Engine
5.7 hemi
Hello all... I have a 03 ram with the hemi. I will not crank!!! Battery is good load tested perfect.. I replaced ignition thinking that may be theproblem still nothing!! I unplugged the trigger wire for the starter and sent power to it and the truck turns over fine but won't fire with the key on also the fuel and volt gauges don't seem to be working all fuses seem to be good and I switched the relays around under the hood to no avail.. any help would be very much appreciated!!!
 
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steveklemme

steveklemme

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Ram Year
2003
Engine
5.7 hemi
I need to get this truck running and I don't want it to leave on the hook!!! Thanks in advance
 
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steveklemme

steveklemme

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Ram Year
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Engine
5.7 hemi
No alarm system on the truck
 
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steveklemme

steveklemme

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Ram Year
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5.7 hemi
I even tried "resetting the pcm but no luck
 

Redtruck-VA

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Jun 29, 2010
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Location
Virginia
Ram Year
2003 & 1989 D250 RWD
Engine
Hemi-5.7, 5.9 12v & 24v diesel
You have the heavy power wire to the starter that carries the current to turn the starter over. You said you can hot wire the starter and it cranks. So that would indicate the battery and terminals are ok. Then there is power to the ign switch that is fused and in turn a wire to the IPM to the starter relay that is fused and that goes to the starter solenoid. The PCM also plays a part in the processing of the command with inputs from the transmission P/N position switch. Do you have the transmission in park or neutral? I would try both positions. Also keep in mind the ASD relay must be engized to fire the motor as it provides 12vdc to coils, injectors and fuel pump and if the PCM doesn't sense a crank signal will shut it down within 2-3 seconds.
 
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