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2000 Ford E350 Econoline. Are you saying that the only way to get current to the fuel pump is by cranking the engine??? Checked all relays and even tried to hot wire the fuel pump with no success.

I disconnected the automatic shut off switch to check for current and there was none found there either. I'm totally confused. I've donated this van to an after school program and need it to run in tip top shape. PLEASE HELP!!!!

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  • Ford Master
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Two ways for currrent to get to fuel pump , when you first turn the key on the PCM - engine computer will energize the relay turning on the fuel pump for a two second prime . Then it won't energize till you crank the engine over . Provided the PCM see's a signal from the crank sensor . Fuel Pump Electrical Circuits Description and Operation

Posted on Jan 01, 2017

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Posted on Jan 02, 2017

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