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tach wiring color code

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=20443
Printed Date: November-20-2024 at 8:44am


Topic: tach wiring color code
Posted By: Gary S
Subject: tach wiring color code
Date Posted: January-24-2011 at 3:06am
I'm changing out my replacement gauges with more period correct Teleflex ones.Since they are used I have no wiring instructions.The small gauges are pretty obvious since they are marked,but I have some questions about the tach.It has 4 wires,Red,Black,Grey and Light Blue. The Light Blue is for the lights and the Blace is the ground. I'm guessing the Red is power and the Grey is the signal from the coil? I have looked thru the wiring diagrams in the reference section and don't see any of these color combinations. Anyone have any ideas? These gauges were out of a Mercruiser if that helps.Thanks guys.



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http://www.correctcraftfan.com/diaries/details.asp?ID=1711&sort=&pagenum=1&yrstart=1966&yrend=1970" rel="nofollow - 69 Mustang HM SS
95 Nautique Super Sport



Replies:
Posted By: dwcar
Date Posted: January-24-2011 at 3:17am
Gary,

Those gauges look brand new. Where and how did you find them?

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83Ski


Posted By: eric lavine
Date Posted: January-24-2011 at 9:57am
usually the gray wire powers the tach, i believe to the negative side of the coil

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"the things you own will start to own you"


Posted By: TRBenj
Date Posted: January-24-2011 at 11:34am
Gary, your assumptions on the wiring colors is exactly right. Gray = tach feed.

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Posted By: Keeganino
Date Posted: January-24-2011 at 7:27pm
Those look mint. Are these the ones that were on Ebay? I almost picked them up myself if these are the same ones I wish I would have. Nice score! My gauges are identical. Right now the tach, oil pressure and ammeter do not work. Would like to get them running before this season starts.

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"working on these old boats may not be cost effective but as it shows its what it brings into your life that matters" -Roger

http://www.correctcraftfan.com/diaries/details.asp?ID=4897" rel="nofollow - 1973 Skier


Posted By: Gary S
Date Posted: January-24-2011 at 9:25pm
Thanks for the help guy's.Yes these were the ones off of ebay,I have been looking for a long time.They cleaned up real well,I believe the bezels are stainless,so I was able to buff them up.The insides of the glass is a little dirty,but after all the boats not new either.

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http://www.correctcraftfan.com/diaries/details.asp?ID=1711&sort=&pagenum=1&yrstart=1966&yrend=1970" rel="nofollow - 69 Mustang HM SS
95 Nautique Super Sport


Posted By: MartyMabe
Date Posted: January-24-2011 at 10:41pm
Aw- Gary, let's put prisim tape on that dash and put digital gauges in there, make a 20" LCD screen come up out of the dash and hang some dice off the rear-view mirror, and a BIG pair of NU ! off the exhaust!

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66 Skylark
http://www.correctcraftfan.com/diaries/details.asp?ID=5041" rel="nofollow - 93 SN
If you're not living in NC, you're just camping out!



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