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Teleflex Tachometer wires |
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Sam B 
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Joined: November-17-2007 Location: StevensPoint WI Status: Offline Points: 393 |
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 Topic: Teleflex Tachometer wiresPosted: April-20-2008 at 1:01am |
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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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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: April-20-2008 at 10:39am |
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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?
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Sam B
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Joined: November-17-2007 Location: StevensPoint WI Status: Offline Points: 393 |
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Posted: April-20-2008 at 11:27am |
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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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79nautique
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Joined: January-27-2004 Location: United States Status: Offline Points: 7872 |
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Posted: April-21-2008 at 1:05pm |
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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.
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Sam B
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Joined: November-17-2007 Location: StevensPoint WI Status: Offline Points: 393 |
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Posted: April-22-2008 at 12:19am |
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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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JUST-IN-TIME
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Joined: June-25-2007 Location: United States Status: Offline Points: 35 |
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Posted: April-23-2008 at 4:13am |
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you need to change the settings on the tach
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www.switchbait.com
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: April-23-2008 at 7:16am |
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. |
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Tomski
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Joined: October-19-2006 Location: United Kingdom Status: Offline Points: 227 |
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Posted: April-23-2008 at 7:52am |
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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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Sam B wrote: