GM Fuel Pump control scheme

[ae2598 at wayne.edu]

On Tue, 30 Jan 2001, Shannen Durphey wrote:

> Anybody wanna bet the "safety switch" fulfills a federal requirement? 
> 
I think you hit the nail on the head.. There's probably a DOT requirement
that fuel delivery ceases after a crash or rollover.  GM's approach was to
monitor engine activity, Ford uses the spring-loaded marble, others
probably have similar-but-different approaches to comply with the law.

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