Lost power to fuel pumps in 1990 f150

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12-28-2016, 03:16 AM

Lee bias

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Lost power to fuel pumps in 1990 f150

I can ground the fuel relay to the battery and put a jumper wire in the tank selector switch plug and either tank will work how do I fix this right

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12-28-2016, 07:41 AM

subford

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You may have lost ground on the RH radiator support (body ground G102) and have a bad selector switch.
You may also may have a bad EEC Computer and a bad selector switch.

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