Boats For Sale:
GT40 Tach Signal |
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2001SAN 
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Joined: June-26-2012 Location: Ireland Status: Offline Points: 244 |
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 Topic: GT40 Tach SignalPosted: August-01-2013 at 4:04pm |
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Faria,
It def jumps around at times. Maybe reads a little high according to my idle. |
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A little knowledge is a dangerous thing...
2001 Super Air Nautique 1989 Fairline Corniche 31 www.bannrivercruises.co.uk |
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lewy2001
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Joined: March-19-2008 Location: NSW Australia Status: Offline Points: 2234 |
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Posted: August-01-2013 at 9:07am |
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I would check and clean all connections. Try and confirm that it is not the tach by trying a shop tach or similar.
It could also be noise coming from the TFI ignition module. Is yours the original tach or the Faria replacement. Have heard of a few problems with the Faria replacements jumping around and reading low. |
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If you're going through hell, keep going
89 Ski <a href="http://www.correctcraftfan.com/diaries/details.asp?ID=5685" ta |
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2001SAN
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Posted: August-01-2013 at 8:53am |
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Cheers Lewy. Thanks for confirmation.
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A little knowledge is a dangerous thing...
2001 Super Air Nautique 1989 Fairline Corniche 31 www.bannrivercruises.co.uk |
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lewy2001
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Posted: July-31-2013 at 9:51pm |
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The "tach" signal comes from the grey wire on the coil it has a 22K ohm resistor in series that makes the signal compatible with most tach's.
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If you're going through hell, keep going
89 Ski <a href="http://www.correctcraftfan.com/diaries/details.asp?ID=5685" ta |
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2001SAN
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Joined: June-26-2012 Location: Ireland Status: Offline Points: 244 |
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Posted: July-31-2013 at 9:35pm |
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Hi all,
Does the tach signal on a GT40 come from the coil? Gray wire? Have an intermittent 'spikey' tach and would like to get to the bottom of it. More irritating than anything else. Cheers, D. |
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A little knowledge is a dangerous thing...
2001 Super Air Nautique 1989 Fairline Corniche 31 www.bannrivercruises.co.uk |
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