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WAGON JON

How to wire up a tach to a VG30e

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Send me to dat person who knows how to wire up an Autometer tach to a VG30e ECU. I need to see my revs!!

 

I have a factory white needle tach that is not hooked up to anything. Is there a way to make it work with a VG30e?

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Can't you wire it to the coil like most other applications for many years?

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Can't you wire it to the coil like most other applications for many years?

Dunno? thats why Im asking.

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If there is an ignition coil, that's where it gets wired.

 

Follow instructuons that came with tach.

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If there is an ignition coil, that's where it gets wired.

 

Follow instructuons that came with tach.

...and sometimes it gets wired through the ECU...its less tedious to ask questions first.

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So I hooked up the Autometer tach to the ECU signal wire (blue/orange) and the tach is working, kinda. Inside the tach behind the light, there is a square box with two switches. I adjusted them appropriately for the 6 cylinder engine, 1= up, 2= down arrangement. I do have a moving needle but it is not accurate. It stays low and jumps a bit.

 

Here is the question: With the needle jumping and low position, is it likely a tach adapter is needed?

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