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Tach replacement 1995 33' Open
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Mydiamond Offline
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Vessel Info: 1995 3300 open Twin 454 crusaders 2017
#1
08-11-2019, 04:42 PM (This post was last modified: 08-11-2019, 04:46 PM by Mydiamond.)
[attachment=551]I am looking to replace the tach's on my Tiara because they are jumping.
Connections are clean...

Anyone know the current replacement VDO line?

Thank you[attachment=550]
[attachment=552]the twist lock mounting is hard to find
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Capt. Paul Offline
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#2
09-20-2019, 12:16 PM
Hello,
Before you buy new ones, see if you can locate the switch on back that is used to select the number of cylinders. Note where it is presently set. Take a small screwdriver and rotate the switch back and forth thru it's range several times and put it back where it was originally set.
See if that clears the problem. Often, those contacts corrode and can cause that problem.
Regards,
Paul
[-] The following 1 user Likes Capt. Paul's post:
Misdirection (09-22-2019)
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Mydiamond Offline
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Home Port: Shark River NJ
Vessel Info: 1995 3300 open Twin 454 crusaders 2017
#3
07-04-2020, 08:36 AM
Thanks.
Did the turning of the switches a few times as well as replaced belts.
Seams to have solved the issue.
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Uhehner Offline
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Vessel Info: 1988 36' Convertible with new 8.1 Crusaders. Exceptional condition, inside, outside, bilges and engines.
#4
07-04-2020, 10:42 AM
(08-11-2019, 04:42 PM)Mydiamond Wrote: I am looking to replace the tach's on my Tiara because they are jumping.
Connections are clean...

Anyone know the current replacement VDO line?

Thank you
the twist lock mounting is hard to find
I think they are VDO Blue Line.
Capt.  George
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Tach replacement 1995 33' Open00