My brother and I did a engine swap in his firebird. Everything is as it should be but the fuel pump is not pumping and the security light is on. The windows will go up and down without the key in the

Perhaps this is a security system issue.

I have read that if it's a security issue the starter will not ingage but the car will turn over. Just no fuel pump. It was working before we pulled the engine and now we have the issues i posted. It's got us scratching our heads. We been wrenching all our lives and this is a first.