1998 FICHT 115 Diode Number or Spec PN 0583898

[bollard]

Can anyone provide me with the diode number or specs for the in-line diode that is in the BRP kit 0583898. I doubt that I need one and do not want to buy the (no returns!) part from my dealer, but if I can get the diode at an electronics shop it may help me confirm that it is not the problem.

I am chasing down an electrical gremlin that I suspect may be in the wiring harness and per the OMC diagnostics procedure a bad diode may be the problem. I have tested the diodes to be ok, but the problem is intermittent. Nothing shows up when I run the engine diagnostics on the laptop.

FWIW, the intermittent problem is: Ignition on, all instrument panel test lights come on and go out as normal, but the fuel pump does not always start its 7-10 second cycle until AFTER anywhere from 10 to ~30 seconds, then the pump comes on, the engine starts and runs great. Sometimes the pump (read 70A main power relay) will not come on at all until you cycle the key a few times, and sometimes it fires right up.

I have 2 engines and have swapped out the relays to no avail. I may try swapping the power distribution panels next, though I strongly suspect a grounding issue somewhere (corrosion).

Thanks for any help.

 

[Faztbullet]

The PDP panels are bad about solder joints failing....

 

[bollard]

Thanks - that is what DFI told me when I called them to ask if the problem could be the ECM and if it was worth sending in to check. They were very helpful and suggested the PDP may be the problem as they had repaired plenty of those failing due to exactly what you said. I will swap out the PDP to see if that is the issue - meanwhile keeping my "hotwire" to get back to the dock in a pinch.