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04-04-2005, 11:58 AM
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#1
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Registered User
Country: england
Location: southampton
Occupation: engineer
Interests: lots
Boat make: scorpion 8.1
Engines: 250HO
Cruising area: solent
Join Date: Mar 2004
Location: southampton
Posts: 1,353
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trim gauge
my trim gauge has died... any ideas where to start. its on an alpha one sterndrive coupled to 210hp mercruiser... cant see any obvious loose connections in dash..
ta glen
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04-04-2005, 12:19 PM
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#2
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Registered User
Country: Job Centre
Location: In a box
Occupation: Chaos's gofer
Interests: Skiving
Boat make: Spectre 30
Engines: 2 x Promax 225
Cruising area: In the bath
Join Date: Mar 2004
Location: In a box
Posts: 5,201
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It's nearly always a problem with the sender, located on the side of the gimble.
You need to pull it apart, clean and re grease.
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04-04-2005, 04:15 PM
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#3
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Senior Member
Country: ENGLAND
Occupation: Prime Minister
Interests: Being Rude.
Cruising area: Kings Road
Join Date: Jun 2004
Posts: 793
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Had the same problem, but couldnt get the screws undone.
A good operator shouldnt need one.
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05-04-2005, 02:14 AM
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#4
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Registered User
Country: england
Location: southampton
Occupation: engineer
Interests: lots
Boat make: scorpion 8.1
Engines: 250HO
Cruising area: solent
Join Date: Mar 2004
Location: southampton
Posts: 1,353
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ok ta td ill have a look
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10-04-2005, 04:31 AM
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#5
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Registered User
Country: uk
Location: south west
Occupation: jumped up grease monkey
Join Date: Oct 2004
Location: south west
Posts: 70
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buy a snapon screwdriver with acr, you will be amased at how well it will grip them damn screws, make sure you put plenty of pressure on the driver too,
good luck
Rama
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12-04-2005, 04:24 PM
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#6
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Registered User
Country: England
Location: Crayford, Kent.
Occupation: Electrical gezza!
Interests: Petrolhead
Boat name: Wayne Kerr
Boat make: Phantom xl
Engines: Mercury 2.5, 200(ish)
Cruising area: Essex, Hampshire, Mediterranean
Join Date: Sep 2004
Location: Crayford, Kent.
Posts: 1,199
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Trim gauge sender unit
Make sure when you re-fit / replace the unit you use plenty of 2 - 4 - C marine lubricant on the fixing screws & in the threaded part within the leg. You'll stand a better chance of removing it next time when it f**k's up again!
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12-04-2005, 08:58 PM
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#7
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Registered User
Country: england
Location: southampton
Occupation: engineer
Interests: lots
Boat make: scorpion 8.1
Engines: 250HO
Cruising area: solent
Join Date: Mar 2004
Location: southampton
Posts: 1,353
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i havent found it yet but havent really looked, i presume its obvious? couple of wires or somet?
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12-04-2005, 10:35 PM
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#8
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Registered User
Country: England
Location: Crayford, Kent.
Occupation: Electrical gezza!
Interests: Petrolhead
Boat name: Wayne Kerr
Boat make: Phantom xl
Engines: Mercury 2.5, 200(ish)
Cruising area: Essex, Hampshire, Mediterranean
Join Date: Sep 2004
Location: Crayford, Kent.
Posts: 1,199
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It's below the part that pivots 'up & down' on the leg.
You'll see a black (cotton reel sized) item with 2 screws securing it.
P.M me if you have a problem.
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13-04-2005, 08:41 PM
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#9
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Registered User
Country: england
Location: southampton
Occupation: engineer
Interests: lots
Boat make: scorpion 8.1
Engines: 250HO
Cruising area: solent
Join Date: Mar 2004
Location: southampton
Posts: 1,353
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ok thanks ill have a look at weekend
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05-10-2006, 11:06 PM
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#10
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Registered User
Country: england
Location: southampton
Occupation: engineer
Interests: lots
Boat make: scorpion 8.1
Engines: 250HO
Cruising area: solent
Join Date: Mar 2004
Location: southampton
Posts: 1,353
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holy thread revival!!
So time has come to fit the trim gauge and stop guessin!
Took the sender appart today and cleaned contacts up... metered it and impedance changes as its rotated. outside and inside in engine bay... brown/white and black wires i believe....
Having trouble getting to back of gauge but it seems the impedance changes make it into boat loom yet the gauge is always on 1/3 trim from down... power on or off, sender in cct or not... i thought if sender knackered it would jump to max or min when dissed...
Anyone got any ideas is the big red i can just see on gauge a +ve?? its a faria gauge. do they die?
Thanks
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06-10-2006, 09:42 AM
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#11
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Registered User
Country: Job Centre
Location: In a box
Occupation: Chaos's gofer
Interests: Skiving
Boat make: Spectre 30
Engines: 2 x Promax 225
Cruising area: In the bath
Join Date: Mar 2004
Location: In a box
Posts: 5,201
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A replacement is around £20.00, depending on style, have a look here..... www.asap-supplies.com
There should be 4 wires on the back of the gauge, positive (red), negative (black), trim signal(brown and white) and illumination.
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Chaos for Moderator.
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06-10-2006, 09:57 AM
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#12
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Registered User
Country: england
Location: southampton
Occupation: engineer
Interests: lots
Boat make: scorpion 8.1
Engines: 250HO
Cruising area: solent
Join Date: Mar 2004
Location: southampton
Posts: 1,353
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cheers td sounds a bargain. just got to get the bugger out now!
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