Engine diagnostic computer connection

guzler

New Member
Mar 19, 2013
7
Australia
Boat Info
1997 Searay Sunsport
Engines
twin 5.7 EFI mercruisers w/Alpha II drives
I have a Sea Ray 280 sunsport with twin 5.7 EFI motors. Starboard motor sometimes is hard to start after about a 45 min to an hour stop over. It turns and turns but won't fire, like an old car that's flooded? Let it rest for another 5 mins and it kicks?
My mechanic had the injectors cleaned but didn't help.
he has never put a diagnostic computer on it as he "can't find the plug to connect it to"??

Engine numbers are OK19039# range. Can anyone tell me where he should find the plug and what it looks like? I'm wondering how much he really knows or doesn't mine have have the connections?
Cheers
 

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