I tested them all on the bench and they all worked fine. I do need to test the drive for a longer period, but at this time it is working. I also marked the original good one.
Here is the schematic
https://yanmarshop.com/en-GB/catalog/all/servicebom/yanmardata-1091034/yanmar-marine-marine-main-engine-small-zt-series-zt370-fig-17-trim-pump
Thanks for helping. It is a standard automotive style 5 pin SPDT relay. The Yanmar pump has 1 relay for each drive trim direction so I can swap the up relay to the down socket and it goes down but none of the new relays work in the sockets.
Hello,
I have a 2018 Formula 350CBR with the Ilmor 7.4 MPI-S and OneDrive. The starboard drive started only trimming up and would not come down. I swapped the relays, 1 up and 1 down, and then the drive would go down but not up. I bought 10 new relays from Digi-Key, same part number, and none of...