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SANDBUILT
PostPosted: Mon Jun 11, 2007 2:03 pm 
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Guppy

Joined: Mon Jun 11, 2007 12:33 pm
Posts: 5
Location: arizona
I HAVE A 1996 21 FT HORIZON, IT RAN GOOD ALL LAST YEAR WITH NO PROBLEMS. HOWEVER THIS YEAR THE MOTOR STARTED TO CUT OUT WHEN I GET ON ROUGH WATER. I REPLACED BOTH BATTERIES AND BUT A NEW ALTERNATOR ON IT AND IT STILL DOES IT. ANY IDEAS ON WHAT ELSE IT COULD BE?

THE MOTOR SHUTS OF COMPLETLY AND MY VOLTAGE GAUGE STARTS TO GO DOWN THEN IT KICKS RIGHT BACK ON AND THEN WILL DO IT AGAIN. NO MATTER WHAT SPEED YOU ARE AT.


ANY HELP WOULD BE GREAT.

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1996 FOURWINNS HORIZON 21 FOOT, 5.0 VOLVO PENTA.
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Txjole
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PostPosted: Mon Jun 11, 2007 4:48 pm 
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Joined: Mon Mar 05, 2007 12:32 pm
Posts: 178
Location: Dallas Texas
Does it cut off and when you look down the voltage gauge is dropping or does it drop then cut off? I say its in the ignition circuit, whether it be the switch itself, main fuse box (bad fuse bumping open/close), or if its EFI could be the PCM.
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SANDBUILT
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PostPosted: Mon Jun 11, 2007 4:53 pm 
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Guppy

Joined: Mon Jun 11, 2007 12:33 pm
Posts: 5
Location: arizona
TXJOLE,

WHEN I LOOK DOWN AFTER HITTING THE WINDSHIELD WITH MY FACE THE VOLTAGE IS DOWN THEN IT KICKS RIGHT BACK ON.

I HOPE I DONT SOUND STUPID BUT WHAT IS AND WHERE IS THE PCM & EFI LOCATED?

I WILL REPLACE THE IGNITION FUSE AND TRY IT.

THANK YOU.

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1996 FOURWINNS HORIZON 21 FOOT, 5.0 VOLVO PENTA.
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SANDBUILT
 Post subject:
PostPosted: Mon Jun 11, 2007 5:46 pm 
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Guppy

Joined: Mon Jun 11, 2007 12:33 pm
Posts: 5
Location: arizona
EXCUSE MY LAST RESPONSE.

YES IT IS EFI HOWEVER WHAT DO YOU MEAN BY PCM?

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Txjole
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PostPosted: Tue Jun 12, 2007 11:02 am 
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Joined: Mon Mar 05, 2007 12:32 pm
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Location: Dallas Texas
Power Control Module. or brain. The reason I ask about looking down to see the voltage meter drop. When the engine dies the meter will drop. It could be a bad fuel sending unit making the engine stall. If you are running and you notice the meter drop THEN the engine stall I would say its ignition. But stall then drop could be anything. But start at the basics, (fuel and spark)
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LD
 Post subject: Engine Cuts Out
PostPosted: Tue Jun 12, 2007 12:36 pm 
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Guppy

Joined: Wed Feb 14, 2007 12:24 pm
Posts: 8
Don't overlook the obvious. I had a similar situation where the motor would not start at times, and then other times it started the first try. It turned out that the kill switch was the culprit. Make sure that the switch is not the issue before going through expensive repairs.
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scottmph
 Post subject: off topic but
PostPosted: Tue Jun 12, 2007 12:49 pm 
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I fix stuff

Joined: Wed Jun 21, 2006 3:40 pm
Posts: 376
Location: Euless (TX)
Image

PLEASE :wink:

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SANDBUILT
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PostPosted: Tue Jun 12, 2007 3:12 pm 
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Guppy

Joined: Mon Jun 11, 2007 12:33 pm
Posts: 5
Location: arizona
I really appreciate everyones help and advice. I am going to go home tonight and bypass my kill switch as well as check all of my fuses and replace the ignition ones just in case. I am also going to put a new water fuel seperator in it just to make sure is not sucking water into the carbs instead of fuel when water gets rough.

I will keep you guys posted.

Thanks,

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1996 FOURWINNS HORIZON 21 FOOT, 5.0 VOLVO PENTA.
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SANDBUILT
 Post subject:
PostPosted: Mon Jun 18, 2007 2:42 pm 
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Guppy

Joined: Mon Jun 11, 2007 12:33 pm
Posts: 5
Location: arizona
THE PROBLEM IS FIXED................


It was a loose ignition wire under the dash.



Thank all of you for your help.

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