Jump Starter Relay, Starts then Dies. Can't Start Otherwise. - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
Problems and Service Talk about any mechanical problems you are having

LinkBack Thread Tools Display Modes
post #1 of 1 (permalink) Old 09-08-2019, 05:15 PM Thread Starter
Join Date: Sep 2019
Posts: 1
Jump Starter Relay, Starts then Dies. Can't Start Otherwise.

This will be long, but please bear with me. My son's 2007 Cobalt LT 2.2 blew its head head gasket, got hot, junked engine. Found a complete donor car, 2006 Cobalt. I know that the engines are different but replaced the engine, all harness's and computers from donor car.

OBD says no communication, car won't crank. I can get it to crank and run for about 5 seconds by removing the crank relay and jumping the terminals. Gauges don't register and the DIC says power steering and air bag. I have the 5v reference. i think i have checked everything I can find online, but sure I am missing something.

Any help would be greatly appreciated! I'm sure, or at least hopeful, that it is something simple I am overlooking.
bdschlot is offline  
Sponsored Links

no communication , no crank , no start

Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode

Posting Rules  
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

For the best viewing experience please update your browser to Google Chrome