The tach on my port 12V71TI went out over the weekend. I traced the cable and found where it had been knocked loose. It looks like a sender will need to be replaced. Who makes these and where could I find one? I don't think Sams has them. This metal pin came out from the bottom of the sender. IMG_6894.jpgIMG_6895.jpg
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Thread: Tachometer Sender
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Tachometer Sender
Looking for a 80 plus foot yacht
Hatteras of Cheoy Lee
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05-11-2021 12:28 PM #2
Re: Tachometer Sender
Hi,
I just purchased a set from Lauderdale Speedometer."Sneaking Out"
1977 37C DD 6-71N
Jacksonville, FL
"Sneakin' Out"
1985 55C 12V71TI
Jacksonville, FL
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Re: Tachometer Sender
Glendinning, for sure.
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05-12-2021 08:12 AM #4Senior Member
- Join Date
- Jul 2013
- Posts
- 1,188
Re: Tachometer Sender
Anybody happen to know the voltage => rpm curve for these senders? From what I can tell the senders are just little generators and voltage should be correlated to rpm right?
I've got one gauge/sender combo that is acting weird, just trying to troubleshoot.SOUTHPAWS
1986 52C Hull #391 8v92TI
PENSACOLA, FL
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Re: Tachometer Sender
If that is the sender that is connected to the transmission pump, then Acadian transmission has them. John
Mahalo V
1974 53 Motoryacht
Hull Number 406
San Diego, Ca. Ready 32 Nordic Tug, Brunswick Ga.
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Re: Tachometer Sender
Rusty, one possibility, if tachs aren't original, is mis-set dip switches. I have three tachs with floscans and one was always out of sync. When its display failed, the replacement came with dip switch settings that were different from what was set. Now, all three tachs read the same once the motors are in sync.
Semper Siesta
Robert Clarkson
ASLAN, 1983 55C #343
Charleston, SC
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05-13-2021 02:29 PM #8
Re: Tachometer Sender
Does the console tach display matter? My boat has LED display tachometers on the upper and lower consoles, but what appears to be a Glendenning tach sender similar to Wet Ever's. My starboard tach is non-functional at the moment, and appears to be knocked loose as well.
"A smooth sea never made a skillful sailor"
Rob Waldrop
M/V Pau Hana
Ft Myers FL
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