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October 10th, 2019, 10:58 AM   #1
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Husaberg FE390 Error code Fuel pump Relay PN#61111057000

In need of help locating this relay it seems to be a unicorn..! The bike suddenly stopped after just after starting 1-2min and the error code: Fuel pump relay

Prior to determining i've changed fuel filters, spark plugs, and verified all fuses. The fuel pump will prime there is spark because it will fire on starter fluid to throttle body.

Shorting pins 5&6 give me fuel pump relay which I purchased BUT I have no idea where this is located. Tank is off as well as air sock - lost please HELP!
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October 11th, 2019, 12:55 AM   #2
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Hi, according to the wiring diagram there is no dedicated fuel pump relay. There is a power relay. So it would seem that the fuel pump switching is handled by the ECU. There are some other threads here dealing with all sorts of issues related to the fuel pump and wiring. Your best bet will be to read up and check everything from dodgy battery connections to iffy connectors.

Getting a blink code for "Fuel pump relay"

Fe570 2012 dead fuel pump?

Fuel pump fuse blows

Fuel pump failure and fix

...and more...



If you checked everything and can confirm it's definately the internal ECU relay, you may want to wire in a dedicated relay, instead of replacing the ECU, link below

Fuel pump lost power


Hope this helps
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October 11th, 2019, 03:45 PM   #3
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Originally Posted by bebert View Post
In need of help locating this relay it seems to be a unicorn..! The bike suddenly stopped after just after starting 1-2min and the error code: Fuel pump relay

Prior to determining i've changed fuel filters, spark plugs, and verified all fuses. The fuel pump will prime there is spark because it will fire on starter fluid to throttle body.

Shorting pins 5&6 give me fuel pump relay which I purchased BUT I have no idea where this is located. Tank is off as well as air sock - lost please HELP!

If youíve purchased the relay already, might as well install it and see what happens. Youíll find itís tucked into a cavity of the frame in front of the cylinder head cover, itís rubber mounted to the frame. Itís really tucked in there, but if youíve got the tank off, youíll see it.

If that doesnít solve the problem, really check over the wiring. Pop the fuse block off and flip it over. Check the condition of the wires, they have an extreme bend to them and can break.

Check the wiring diagram to track down the wires coming and going to that relay. Chances are, thatís where youíll find your problem.

Good luck!
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October 12th, 2019, 05:16 PM   #4
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Wow! You are such a relief and I canít believe that it was in the front chassis. The diagram has it with all the rear end electronics.

So Iíve replaced and have cleared any error codes, nothing showing. However it will not fire up on its own. If I use starter fluid it will fire up but thatís all he fuel pump spools up ( sound) even when shorting pins 5&6.

At a loss...

BTW only 300miles she is in mint condition cream puff purchase from neighbor and it have 200 of those miles.

Last edited by bebert; October 12th, 2019 at 05:19 PM. Reason: More information
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October 13th, 2019, 01:22 AM   #5
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Have you verified fuel pressure? You mention you here the pump running a few seconds on its priming cycle. However, you wonít hear it running when cranking the bike. Remember just because the pump is spinning, doesnít mean itís moving fluid. Whatís the condition of the fuel?

Thereís lots of info on this board about checking pressure. You can make a cheap gauge work, but will have to rig up the right quick connect fittings.

Without eliminating the basics, youíre just throwing darts.
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