5.4L 2003 F250 Fuel Pump Relay Location
#1
#3
It seems to not be a serviceable part or so the technician said when I went to Ford today. It's part of the whole fuse box under the driver access panel inside the truck. That is really weird. If it goes bad you have to replace the whole part which is I have attached. https://www.f150online.com/g/album/5277211
Last edited by phurley; 04-04-2016 at 10:36 PM.
#4
Join Date: Oct 2002
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The information you were given regarding the relay is correct as far as a dealer is concerned. They will simply replace the whole fuse box.
It is not difficult to splice in a common Bosch-style relay externally to the fuse box. I know I've written it up somewhere as have other forum posters, either here or at sister site FTE.
It is not difficult to splice in a common Bosch-style relay externally to the fuse box. I know I've written it up somewhere as have other forum posters, either here or at sister site FTE.
#7
Splicing relay
The information you were given regarding the relay is correct as far as a dealer is concerned. They will simply replace the whole fuse box.
It is not difficult to splice in a common Bosch-style relay externally to the fuse box. I know I've written it up somewhere as have other forum posters, either here or at sister site FTE.
It is not difficult to splice in a common Bosch-style relay externally to the fuse box. I know I've written it up somewhere as have other forum posters, either here or at sister site FTE.
Do you mind explaining how to splice the Bosch-style relay into the box?
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#8
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Do you mind explaining how to splice the Bosch-style relay into the box?
Before picking up another part or tool, connect a test light to the pump power feed located at the inertia switch and check for power during the initial power-on priming cycle.
You need to know which half of the truck to focus on, otherwise you're going to continue pi$$ing away money and time just trowing parts at it and hoping you guessed right (again).
#9
See where I said "I know I've written it up somewhere as have other forum posters, either here or at sister site FTE."? That means someone is going to have to find it back (not me).
Before picking up another part or tool, connect a test light to the pump power feed located at the inertia switch and check for power during the initial power-on priming cycle.
You need to know which half of the truck to focus on, otherwise you're going to continue pi$$ing away money and time just trowing parts at it and hoping you guessed right (again).
Before picking up another part or tool, connect a test light to the pump power feed located at the inertia switch and check for power during the initial power-on priming cycle.
You need to know which half of the truck to focus on, otherwise you're going to continue pi$$ing away money and time just trowing parts at it and hoping you guessed right (again).
Glad to be a part of the forum. I'll post any success.