1989 F150 302 FI--Power Drop - Ford Truck Enthusiasts Forums

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1989 F150 302 FI--Power Drop

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Old 12-03-2016, 06:44 PM
jhutchison40
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1989 F150 302 FI--Power Drop

A little more info, it's an '89 with the dual tank system, replaced the front fuel tank, in tank pump, and the inline pump and filter. The truck sat for several years with both tanks full of gas. And now, for some reason I have a power loss in the wiring that goes to power my EEC, it's a power drop of about 9 volts, I can't get any power to my fuel pump relay, injectors, or anything. Does anyone have any advice on what could be going on? I've been busting my butt to get it done before the first snow, but I don't believe that'll happen.
 
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Old 12-03-2016, 07:11 PM
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Check or just replace all chassis and engine grounds.
 
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