2005 Cobalt not starting

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Nautuca31c

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I just purchased a 2005 Cobalt autimatic not sure if it's Lt or ls. It won't turn over. Everything seems to be powering up even the run/crank relay is powering up. The crank relay don't seem to be powering up though. There is no security light on. I know they had issues with the ignition, but is there something else I should check before diving into that. I also have a running 07 cobalt I can parts swap with if the parts are the same.
 
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Nautuca31c

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Yeah I checked all of them they all are good and I've tried to swap relays around too. I don't see any changes when swapping relays.
 
djyeti

djyeti

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This is how mine was when I bought it. The last guy ran a wire underneath the starter relay and grounded it to the engine. Without it it would not starttapatalk_1472411523708.jpeg
 
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Nautuca31c

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I checked with the multimeter and I'm getting a ground signal to my relays. It's almost like a safety switch or something ain't letting the signal to start to go through. I found out a little bit more on the car. The previous owner had the motor replaced and they drove it just a little bit. Then it got where it wouldn't start. I'm wondering if they may have left something a little loose after the motor swap. Does anyone know where the main grounds to the motor is?
 
djyeti

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It should be on one of the tranny to engine bolts near the front of the car drivers side. That's where it is on my 2.0 ss
 
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