[Edited because I misunderstood the original question]
The Ford pension is irrelevant to the SS issue. Some government pensions would affect SS eligibility and payment amounts but not private sector pension plans.
Even if she never had earnings, while he's alive she would still be eligible to receive her own SS payment that's half of his benefit at full retirement age (less if taken earlier). And if he predeceases her, she would "inherit" his higher benefit, but lose her own.
"Hey, for every ten dollars, that's another hour that I have to be in the work place. That's an hour of my life. And my life is a very finite thing. I have only 'x' number of hours left before I'm dead. So how do I want to use these hours of my life? Do I want to use them just spending it on more crap and more stuff, or do I want to start getting a handle on it and using my life more intelligently?" -- Joe Dominguez (1938 - 1997)