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03 dodge ram 1500 5.7 hemi. Had a cam shaft sensor code thrown. I let the truck sit for about a month and now it will not start. If I turn the key to on position I get all lights and radio but as soon as I turn it to start everything goes out. I have tried to hook a scanner to it but I'm not getting any power to the obd port. I have checked all fuses and put two new batteries in it and it still does the same thing. Does any one have any idea what to try next. THANKS
No cranking as soon as the key turns everything goes off. I have radio and interior lights no gauge lights with the key in on position but turn it to start it and everything goes out.