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Alarm

Discussion of batteries, chargers, wiring, generators, distribution panels, battery switches, etc.

Topic author
Jimferrie
Junior Member
Posts: 2
Joined: Wed May 26, 2021 11:53 pm
Vessel Info: 1999 express3000

Alarm

Postby Jimferrie » Thu May 27, 2021 12:01 am

I have a 1999 pursuit express 3000. When you start the engines alarm sounds when you press the start button until the engine starts. After the engine starts the alarms turn off. Currently when I start my port engine the alarm stays on. Oil pressure and temperature are OK. Any suggestions on where to look for the problem would be appreciated. Also the vessel has twin Cummins diesel 4 cyl engines


Woodworker2001
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Alarm

Postby Woodworker2001 » Thu May 27, 2021 6:54 am

Do the diesels alarm for low fuel pressure?

Woodworker2001
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Alarm

Postby Woodworker2001 » Thu May 27, 2021 6:59 am

From the manual
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Topic author
Jimferrie
Junior Member
Posts: 2
Joined: Wed May 26, 2021 11:53 pm
Vessel Info: 1999 express3000

Alarm

Postby Jimferrie » Thu May 27, 2021 10:18 am

Thanks I read that also as both the oil pressure and temperature are good I’m thinking may be a faulty sensor? I read somewhere that it could be tied into the high water alarm for the port engine also

Dan1
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Posts: 37
Joined: Sun Apr 19, 2020 11:17 pm
Vessel Info: 3000 Express Cummins 4BTA's
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Alarm

Postby Dan1 » Thu May 27, 2021 11:56 am

The low pressure alarm switch is prone to failure, dont bother with the cheap aftermarket ones available from autoparts stores, they cant handle the vibrations of the 4cyl diesel.

You can test the switch simply by pulling off the single wire, the alarm should stop, the switch is located next to the oil filter.

The Stuart Warner part number for the switch is 364L-F

https://www.summitracing.com/search/par ... ord=364L-F
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MarkT
Senior Member
Posts: 530
Joined: Tue Apr 05, 2011 10:42 pm
Home Port: Mattituck, Long Island
Vessel Info: 1999 Pursuit 3000 Express, twin Cummins 4-BTAs
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Alarm

Postby MarkT » Fri May 28, 2021 7:51 pm

Jim, Dan1 and I have the same boat/engine combination you have. Don't forget to check the transmission alarm sender also. Until I bought mine from Seaboard Marine they failed on a regular (yearly) basis.
Where are you located?

EdKratt
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Joined: Tue Aug 10, 2021 5:38 am
Vessel Info: 1997 2470 WA
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Alarm

Postby EdKratt » Mon Sep 06, 2021 7:47 pm

This reply is from my diesel engine experience. Usually if you have oil pressure and not over temp the problem is with the sending unit.

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