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#68544 - 02/12/12 09:05 AM Sun super tach wiring
strokersix Offline
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Registered: 05/23/09
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Loc: NW Illinois, USA
I need some help. I have this Sun tach and don't know how to wire it. I see IGN 12v, TRIGGER, and GRD which is fine but where to I hook the trigger? Does this go directly to the distributor for trigger or do I need some sort of amplifier box to operate this tach? Thanks.
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#68546 - 02/12/12 01:18 PM Re: Sun super tach wiring [Re: strokersix]
strokersix Offline
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Registered: 05/23/09
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Loc: NW Illinois, USA
Edit: This is a 1970 dated tach. I found manuals online for current production super tach II and there is no mention of a required amplifier. Would sure like some confirmation. Cool tach and I don't want to fry it.
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#68548 - 02/12/12 02:13 PM Re: Sun super tach wiring [Re: strokersix]
jalopy45 #4899 Offline
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The trigger is the points, grnd, self explanatory and 12 volt switched is for the light,your back indicates an 8 cylinder, if you pull the cup off there may be a slider switch inside to choose the number of cyl.s, 4-6-8.

Edited by jalopy45 #4899 (02/12/12 02:15 PM)
Edit Reason: spullin
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#68551 - 02/12/12 04:29 PM Re: Sun super tach wiring [Re: jalopy45 #4899]
strokersix Offline
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Registered: 05/23/09
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Loc: NW Illinois, USA
Thanks!

Slider switch would be cool. I'll check it out.
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#68554 - 02/12/12 07:25 PM Re: Sun super tach wiring [Re: jalopy45 #4899]
stock49 Offline
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Registered: 04/09/03
Posts: 616
Loc: Medina, Ohio USA
 Originally Posted By: jalopy45 #4899
The trigger is the points, grnd, self explanatory and 12 volt switched is for the light,your back indicates an 8 cylinder, if you pull the cup off there may be a slider switch inside to choose the number of cyl.s, 4-6-8.


Jalopy is right. With the stock wiring harness the trigger wire is green to telegraph the fact that it is never a 'hot' wire: The Ranger Station - Tach Wiring.
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#68561 - 02/13/12 06:15 AM Re: Sun super tach wiring [Re: stock49]
strokersix Offline
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Registered: 05/23/09
Posts: 303
Loc: NW Illinois, USA
Thanks for the help. I'm glad I don't need anything else to run this tach.

Where did I get the idea an amplifier is required? Is that an older style tach that requires an amplifier?
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#68575 - 02/13/12 05:32 PM Re: Sun super tach wiring [Re: strokersix]
stock49 Offline
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Registered: 04/09/03
Posts: 616
Loc: Medina, Ohio USA
 Originally Posted By: strokersix
Thanks for the help. I'm glad I don't need anything else to run this tach.

Where did I get the idea an amplifier is required? Is that an older style tach that requires an amplifier?


The original 'electric' tachs from the late fifties and early sixties all required a transmitter box. In addition to their own power source (mercury cells) SunTach Transmitter Boxes contained some large transistors and a relay.

It wasn't until later on that this could all be miniaturized to fit inside the tach head . . .
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