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07' CTS-V
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Discussion Starter #1 (Edited by Moderator)
So I just finished up the project from hell on my 07' CTS-V. Engine, motor mounts, clutch, shifter, rear bushings, ect. I thought the nightmare was over but no, another swift kick between the legs. I got everything bolted up and ready to fire up and now there is no power getting to the starter. It won't even click. So I rechecked every ground and every connector and all is well there to include everything on the trans. I was thinking maybe some sort of neutral safety switch but that goes through the clutch pedal.

When I jump 30 to 87 on the relay (or where the relay plugs into the fuse box) it will kick the starter. 30 has power with the key in ACC but won't ground with the other pins. With the key forward in the START position all the other pins will ground it and I have 12v at all of them. With the key forward and the ground out of the fuse box I don't get power any where else but at 30. I tried re-flashing the tune to what it was when I parked it and that didn't work. I replaced the relay and that didn't work. The only thing I can think of is that there is some sort of anti-theft thing that I don't know about. The car sat with out the battery for about a month.

When we disconnected the steering shaft to get the headers in it pushed up back into the column. I am not sure if that could have messed something up. But that was the only way to get it off the rack. I am wondering if when we slid the steering shaft up into the column to get it off the rack, something got messed up internally. The column moves freely and locks. It is also lined up properly.

With the door open the security light flashes steadily. Door closed it goes off. Key in ACC the light comes on for about 5 seconds and turns off. Key to the START position, all the dash indicators turn off except for the engine light. Key back to ACC and solid then off. The radio works as well.

The only other strange thing that would be a long shot is that I only have key and key fob number 2 for the car. The dealership didn't have key or fob 1 when I bought the car. Everything was absolutely fine before this little project. I have to get this car running tomorrow. I am out of time. Any help would be greatly appreciated.
 

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2005 CTS-V
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8,363 Posts
See attached. I have had the battery disconnected for extended periods of time and it did not prevent starting. There is a clutch position switch in the starter circuit to prevent starting when the clutch is not depressed.
 

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I have been dealing with the same problem for over a month now I can go out every morning and the car will start. I let it run for about 10 minutes turn the car off for about a minute or two then turn the key again and nothing. If I come back out about 4 hours or so it will start the first try but if I turn it off for a few minutes and try again it won't do a thing.
 

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05 maggied CTS-V, 2017 NSX Whoo Hoo!
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I have been dealing with the same problem for over a month now I can go out every morning and the car will start.I let it run for about 10 minutes turn the car off for about a minute or two then turn the key again and nothing.If I come back out about 4 hours or so it will start the first try but if I turn it off for a few minutes and try again it won't do a thing.
That is usually a starter related problem.
Engine heat can cause just enough warpage to prevent the armature from making contact or the solenoid from operating.
 

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Heavy you may be on to something because when I come out first thing in the morning it will start right up but once its run for a about 10 min or so and turned off it won't start again until it's had a while to cool off. When the weather breaks we are going to take a look at the condition of the solenoid and see if my longtubes has done it in if so I think I'm going to try the MSD starter this time. Thanks for the info
 
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