Teleflex Tachometer wires
Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Boat Maintenance
Forum Discription: Discuss maintenance of your Correct Craft
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=10208
Printed Date: January-19-2025 at 4:11am
Topic: Teleflex Tachometer wires
Posted By: Sam B
Subject: Teleflex Tachometer wires
Date Posted: April-20-2008 at 1:01am
I have a Teleflex tach in my 73 nautique. I am not sure the model number. But i can tell you that the face has the blue pin stripe circle. Anyway the problem is the wires are not the same colors as the tach I removed. The colors I have now are :
Red
Blue
Grey
Black
I think red is +
Black -
Grey coil
Blue is light
I tried the tach wired like this and it didnt work properly.
Thanks Sam
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Replies:
Posted By: 8122pbrainard
Date Posted: April-20-2008 at 10:39am
Sam, You've got the tach correctly wired! What's not working properly? Bad readings? Do you have the number of cylinder jumper set correct?
------------- /diaries/details.asp?ID=1622" rel="nofollow -
54 Atom
/diaries/details.asp?ID=2179" rel="nofollow - 77 Tique
64 X55 Dunphy
Keep it original, Pete <
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Posted By: Sam B
Date Posted: April-20-2008 at 11:27am
Yes I have it on 8 cyl. When I start the boat the tack gues to 6000. Also when I cycle the ignition on and off the tach moves up about 200 rpm every time.
Thanks for your help. Sam
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Posted By: 79nautique
Date Posted: April-21-2008 at 1:05pm
with the key on the tach should read 0, with it off it doesn't matter where it goes. Sounds like something is reversed or it's not the right resistance.
------------- http://www.correctcraftfan.com/diaries/details.asp?ID=756&sort=&pagenum=1&yrstart=1979&yrend=1979 - 79 nautique
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Posted By: Sam B
Date Posted: April-22-2008 at 12:19am
When you say not the right resistance is there something i can change on the tach to make it right?
Thanks Sam
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Posted By: JUST-IN-TIME
Date Posted: April-23-2008 at 4:13am
you need to change the settings on the tach
------------- www.switchbait.com
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Posted By: 8122pbrainard
Date Posted: April-23-2008 at 7:16am
Sam B wrote:
Yes I have it on 8 cyl.
Thanks for your help. Sam |
If the tach is set on the 8 cyl, and wired correctly then there is a internal problem. I do not know anyone who does repairs on these Teleflex tachs. If you found someone who is really into electronics and is willing to take a look at it, it would be your only choice unless someone else has a idea.
------------- /diaries/details.asp?ID=1622" rel="nofollow -
54 Atom
/diaries/details.asp?ID=2179" rel="nofollow - 77 Tique
64 X55 Dunphy
Keep it original, Pete <
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Posted By: Tomski
Date Posted: April-23-2008 at 7:52am
If it goes to 6k when the starter is turning you have an issue with a short between the start and ignition circuits. The move to 200 when the ignition is on could point to the same thing.
I had a problem with the tacho on my little car, same kind of issues. I ran a jumper wire straight from the coil to by pass the signal wire in the loom and it was fine. I spoke to an instrument specialist and he suggested putting a resistor in the signal wire and that cured it straight off.
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