Relays

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Nov 23, 2003 | 04:07 PM

inlineguy

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Joined: Apr 2003

Posts: 148

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From: onatrio, canada

Relays

Has anyone had any problems with there fuel pump relay or power realy on a 87-f150. Someone said this might be the reason why my truck is hard starting then wont run after about 20 mins of driving.

Nov 23, 2003 | 09:57 PM

Mike W

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Joined: Apr 2002

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From: Central Kali

The easy way to check is to put a voltmeter or test light on the wire going to the fuel pump and see if you lose voltage when it quits.

Nov 23, 2003 | 10:07 PM

Franklin2

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Joined: Jan 2001

Posts: 56,846

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From: Virginia

They are prone to go out sometimes. A have heard of several that stick on, so when you park the truck, the fuel pump stays on and runs the battery down.

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