UPDATE: After having the MEFI tested again and determining it has to something with the MEFI getting power. I worked out the issue, not a good troubleshooting method, but it worked. I disconnected and removed the batteries and over two days disconnected, cleaned, checked every wire connector...
OBD Diagnostics, Inc http://mefiburn.com/ecmrepair.asp. This fault was not mentioned. Everything tested good. He said it had one item logged - M14 Coolant High. His note read - 442 hours - 971 starts, M14 Coolant High Logged, 18/255 Good on harness wiring, all sensors & relays good...
I got out to the boat again this morning. It is j1-6 and the wire tested good through. Today I tested:
The fuel pump relay has 12V power to pins 86 and 30 (multimeter test).
When the key is turned no ground is received on pin 85 (multimeter test)
Wires connection test good (audible sound...
Thanks. The simplicity of wiring color, which I didn't even think about while at the boat. I will get there this week. I have not found much specific to the OSX, everything is GX. It seems the main difference is the composite sterndrive. OS is for their Ocean Series.
I think I am getting closer, maybe. First I wiggled/jiggled the fuse box and connectors. It seemed to make no difference. It is, 3863460, which is one of the boxes identified in the parts bulletin. After playing around a bit I tested the relay pins with the multimeter. I am getting good...
I have been fighting with this issue for a couple years now. It is inconsistent, so that makes it really fun! I have a 2005 Crownline 250CR with a 5.7OSXi-D Volvo Penta. When the key does the first half turn it should charge/prime the fuel system. My issue is it does sometimes. It will work...