bogus wrote:
** For those curious: The fuel pump circuit is rather clever. A relay is fired and then runs for 2 seconds to prime the system. If it isn't working, the pump does not prime. There is a parallel switch based on oil pressure (on the same stand-off as the oil pressure sender). This will fire the pump with 4 PSI. It will also keep the engine running if the relay fails. This will NOT protect the engine from oil pressure loss.