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PostPosted: Sat Jul 16, 2016 1:35 pm 
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Tadpole

Joined: Fri Jul 15, 2016 1:26 pm
Posts: 3
Location: South Carolina
I just purchased my first Four Winns and it's a 99 Horizon 180 with the Volvo Penta 4.3.

My first question is about the fuel pump. Should it run constantly with key on engine off? I know it should prime for a few seconds but it is always running with key on engine off.

My second question is should the fuel pump change "pitch"? it sound like it is running out of fuel or something. The engine runs great and has good power and fuel economy.

And my last question for now is can someone send me a picture of the fuel pump and electrical connections on their boat? Or a wiring diagram? Someone has cut and spliced two purple wires from the boat harness directly to the fuel pump relay and choke.
Thanks!

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1999 Horizon 180 4.3 Volvo Penta

Tow Vehicle: 03 Suburban Z71


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PostPosted: Sat Jul 16, 2016 5:17 pm 
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Joined: Fri Jul 27, 2012 11:17 pm
Posts: 1303
Location: Melbourne, Australia
Fuel Injected or Carb'?

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2011 Four Winns H180 SS.
Aussie built Mustang 2800.
SOLD - 1997 Four Winns Horizon RS


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PostPosted: Sat Jul 16, 2016 10:26 pm 
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Tadpole

Joined: Fri Jul 15, 2016 1:26 pm
Posts: 3
Location: South Carolina
Carb

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1999 Horizon 180 4.3 Volvo Penta

Tow Vehicle: 03 Suburban Z71


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PostPosted: Sun Jul 17, 2016 4:19 pm 
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Joined: Fri Jul 27, 2012 11:17 pm
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Location: Melbourne, Australia
You should have an oil pressure switch that disables the fuel pump when there's no oil pressure (safety requirement).
I'd start there, or look at your fuel filter for blockage.
The pitch change is normal, as it's variable speed.

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2011 Four Winns H180 SS.
Aussie built Mustang 2800.
SOLD - 1997 Four Winns Horizon RS


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PostPosted: Mon Jul 18, 2016 12:29 pm 
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Tadpole

Joined: Fri Jul 15, 2016 1:26 pm
Posts: 3
Location: South Carolina
deafwish wrote:
You should have an oil pressure switch that disables the fuel pump when there's no oil pressure (safety requirement).
I'd start there, or look at your fuel filter for blockage.
The pitch change is normal, as it's variable speed.

The oil pressure switch has been bypassed by the last owner. Where could I find a wiring diagram?
Also when running the engine with the muffs on it attached to a water source shouldn't there be water coming out of the exhaust?

Starting to feel like I got "hosed" on this boat

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1999 Horizon 180 4.3 Volvo Penta

Tow Vehicle: 03 Suburban Z71


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PostPosted: Mon Jul 18, 2016 3:26 pm 
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Joined: Sun Jul 22, 2012 5:10 pm
Posts: 2032
Location: West Palm Beach, FL
When running on muffs, most of the water (and some of the exhaust) comes back out an exhaust opening near the bottom of the transom shield. Little water comes out the prop. This is normal for Cobra / Volvo Penta

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"Knot Easy" 2000 Horizon 240 Volvo 5.7GS /SX
tow: 2017 Honda PILOT EXL-AWD
prev. boats:
'87 Chaparral 198CXL 4.3 OMC Cobra
'69 Jetstar 16ft Ski Boat, 115hp Yamaha
'68 Aluminum Jon Boat, 3hp Sears
'64 Water Wings


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