Fuel pump problem on a 2002 trophy 2052

Bilfishn

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Joined
Aug 24, 2010
Messages
5
Hi,

I own a 2002 Bayliner Trophy 2052 with a 4.3 V6 2 barrel carburetored Mercruiser engine.

I need some help finding out why my fuel pump while connected to original pump wiring wont work. I was boating with my family at lake mead. After stopping to swim for a while. My boat wouldn't start. I went through all the trouble shooting that I could think of. I then jumped my fuel pump from my Accessories switch. It started but I had to baby the throttle to get it to plane. When I tried to throttle down to get out of the hole it would just stall. Any way I replaced the fuel pump and all the filters. But I can't get it to work with the regular connector. I've looked all over the motor for a fuse but can't find one. Is there a fuse or something else? I'm at my wits end.

Any and all suggestions will be greatly appreciated.

Thanks in advance

Bill
 

Bt Doctur

Supreme Mariner
Joined
Aug 29, 2004
Messages
19,496
Re: Fuel pump problem on a 2002 trophy 2052

Should plug into a pressure switch, just above and foward of the engine oil filter
 

Bondo

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Apr 17, 2002
Messages
71,453
Re: Fuel pump problem on a 2002 trophy 2052

Ayuh,... The fuelpump is powered from the Starter as the motor is cranking,+ from the igntion, through the oil pressure switch BD noted when Running...
 

zbnutcase

Commander
Joined
Sep 19, 2009
Messages
2,055
Re: Fuel pump problem on a 2002 trophy 2052

Could also be the connector itself, run into that a couple times now
 

Bilfishn

Recruit
Joined
Aug 24, 2010
Messages
5
Re: Fuel pump problem on a 2002 trophy 2052

Thanks for your response. So along any of those connections is there a breaker or fuse, or do I need to replace them as well?

Thanks again
Bill
 

Bilfishn

Recruit
Joined
Aug 24, 2010
Messages
5
Re: Fuel pump problem on a 2002 trophy 2052

Ayuh,... The fuelpump is powered from the Starter as the motor is cranking,+ from the igntion, through the oil pressure switch BD noted when Running...

Hi Thanks for your reply.

So does that mean that there is a fuse between those connections or do I need to replace the oil sending unit?

Thanks in advance
Bill
 

Bondo

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Staff member
Joined
Apr 17, 2002
Messages
71,453
Re: Fuel pump problem on a 2002 trophy 2052

Hi Thanks for your reply.

So does that mean that there is a fuse between those connections or do I need to replace the oil sending unit?

Thanks in advance
Bill

Ayuh,... It means you follow the Power with a test light, then replace whatever component Isn't passing Power...
 

Don S

Honorary Moderator Emeritus
Joined
Aug 31, 2004
Messages
62,321
Re: Fuel pump problem on a 2002 trophy 2052

Here is the basic wiring diagram for the fuel system. It should help you track down your problem area.

attachment.php
 

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