Recent content by Itjustruns
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06 Cobalt LS, No Crank No Start and Weird Electrical Issues
It's been a long time since I posted. I just wanted to let anyone who has this issue know how to fix it. First of all going down the line. Check fuses, in the passenger front, on the left near the floorboard there is a panel that goes to your BCM, and it has fuses and connectors. Check them...- Itjustruns
- Post #11
- Forum: LS, LT, LTZ
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06 Cobalt LS, No Crank No Start and Weird Electrical Issues
Alright so the verdict is HALFWAY in, replaced the TCM and nothing changed, added the extra ground to the new TCM and the car would crank, but not start. Old TCM has been thoroughly tested as bad, and my grounds for my TCM are good, so the need for an added ground is absolutely crazy to me. No...- Itjustruns
- Post #10
- Forum: LS, LT, LTZ
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06 Cobalt LS, No Crank No Start and Weird Electrical Issues
Yeah so I've been working on other projects debating getting a new TCM for the car. Checked every wire in the harness and everything checked out, ign switch checked out neutral switch checked out. I found a good service that does pre programmed TCM's to match your vin for 100 bucks. Going to...- Itjustruns
- Post #8
- Forum: LS, LT, LTZ
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06 Cobalt LS, No Crank No Start and Weird Electrical Issues
Thanks for the info, I'll double check the grounds and check the positive, I did add an extra ground to the tcm as I saw that was a common problem.- Itjustruns
- Post #7
- Forum: LS, LT, LTZ
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06 Cobalt LS, No Crank No Start and Weird Electrical Issues
Yeah I would be interested. I parked the car for a minute as other projects popped up, but yesterday I did some more diagnostic. I can still get the starter to crank by jumping the solenoid but now the car won't start. I jiggled the car in park and neutral, as well as played with the key in the...- Itjustruns
- Post #5
- Forum: LS, LT, LTZ
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06 Cobalt LS, No Crank No Start and Weird Electrical Issues
Update! I've torn the car apart and checked many things. I checked common grounds, security, and the rest of the fuses on the car. I'm scratching my head here and not making much progress. Multiple relays are clicking pretty bad, still have the code for Lost Connection to TCM. Sometimes when I...- Itjustruns
- Post #2
- Forum: LS, LT, LTZ
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06 Cobalt LS, No Crank No Start and Weird Electrical Issues
So yesterday I bought this cobalt for 200 bucks. has 120k. It was stranded at a gas station where the previous owner shut it off to pump gas and it wouldn't turn back on. The previous owner said it had been acting weird for about a week not wanting to start, the speedometer would randomly clunk...- Itjustruns
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- Replies: 13
- Forum: LS, LT, LTZ
