Im not sure if this is just coincidence but every time the feul light comes on my windscreen washers do not work? I have noticed this on many occasions. I thought it could have been a loose connection but this has happened more than a dozen times now/
Could be a failed IC that's routing ground (or power) to a junction somewhere... here's what i'd do: Re-ground the wiper washer motors directly to the chassis (be sure you ground NEGATIVE and not power lol)
If not, find out where the relays are, and just reground the box. It could also be a failed ground due to rust, this has happened to me before.
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