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99 2.5 Ranger


Sawz5

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Since I don't have an operators manual for this truck can someone tell me which relay is for the fuel pump? The Haynes manual gives a generic wiring diagram but they don't show the fuse box layout. My problem is no power to the fuel pump. I checked at the inertia switch an couldn't find any power there. Can't find any blown fuses in the box under the hood, or in the cab.
 


Mac

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I'm seeing the relay under the hood in position #5. That would be the fourth from the firewall towards the fender.
Dave
 

Mikel89us

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How are you checking the fuses? Visual ish always a good check. If you can't find a bad fuse or wire, the ecu could be an issue. I don't have a layout for you though, sorry, good luck.
 

Sawz5

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Thanks for the help I will try to check that relay. Hope that's the problem cause it is an easy fix
 

tomw

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In most instances there is a decoder map on the top or bottom of the fuse box cover. Both under hood and under dash boxes. The under hood box generally has the layout embossed into the plastic so it cannot be lost.
When you check fuses, you can put a VOM across the two square openings in the top of the plastic. If you get a voltage reading, the fuse is in-op as it should be the same voltage on both sides if the fuse is intact.
tom
 

Mikel89us

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Another way to do the same thing tom said is with a vom or test light, ground it and touch one side at a time, you should have voltage on both sides of any fuse that has power to it. Remember some fuses, especially interior have no voltage with the key off.
 
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