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Discussion Starter #1
There are 2 big black identical relays (I think they are the biggest) at the back of the bike, under the seat, part no. 287.4.040.2A I think.
What are they for? Ignition, and something else? Are they doing the same thing?
Thanks!
 

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Ducati Designs
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One is fuel pump/coil power, and the other I'm pretty sure is for the cooling fan. They are the same type relay.

pg
DD
 

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If you look at the schematics, the pump and coils are on the same circuit.
 
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