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Post Info TOPIC: 65 Beaumont factory tach hook up


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65 Beaumont factory tach hook up


I am at the final wiring stage of my project and am having trouble finding a definite answer as to where the lead from the back of the tach goes to. I am certain that the light lead with the ground tab on it provides the ground for the tach as seen in picture. But what I need to know is about the other lead that has the red insulator on back of tach, do I run a wire directly to the coil? and which do I connect it to + or - and does it need to be fused. I would also mention my distributor has a Crane module, not sure if it makes a difference. 



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65 SD Convertible



A Poncho Legend!

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I assume that tach only has 2 terminals?

If so, the other terminal is connected to the (-) on the coil. I have seen a fuse used in some applications but I'm not certain it is necessary. I guess it can't hurt though. I could check the factory wiring diagram if nobody who knows for certain chimes in.

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1966 Strato Chief 2 door sedan 283 "survivor"


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And to ensure it is grounded properly I'd be tempted to run a ground wire from one of the mounting screws to a good dash ground.

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1966 Strato Chief 2 door sedan 283 "survivor"


A Poncho Legend!

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And the more you read online, the more you will find some guys saying it won't work unless it has points and some guys saying it works fine with electronic....

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1966 Strato Chief 2 door sedan 283 "survivor"


Poncho Master!

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I am running a Pertronix in a 63 Chev with a factory re-pop dash tach.

Advised by someone on another site to run this to protect against fluctuations

in the signal..........been running for several years now - no problems.

http://www.summitracing.com/parts/nvu-99004-04/overview/

tach filter.jpg



-- Edited by bjburnout on Wednesday 28th of December 2016 06:52:13 PM

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......big block, 4 speed, bench seat, it doesn't get much better

 happy motoring :burnout

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