ok. i just did the head gasket and when i put it together i have a a single wire just hanging. looked like it got pulled out of somewhere. its yellow with a black stripe. and when i go to start my truck it starts up and runs fine for about a second then shuts down.?????? i have no idea where it goes any suggestions???

 

does it have a big rubber grommet OVER the plug? take a pic

 

one of these?