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tacho wiring help ???

g day i have a tacho that i got from another car to wire up in my hq 202 but don't know what wire dose what

it a VDO tacho with the wires:

thick blue one
black
red
white
green

i have no idea on this wiring set up
can anyone help thanks in advance

Model: 
Engine: 
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Comments

Black = Earth
Red = Positive
White = Switched Positive (to the headlights or ignition if you want the lights always on)
Green = Ignition coil feed
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hey thanks mate but i'm still confused about what to do with the thick blue wire coming out the back any ideas???
cheers..

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might have it backwards ash green will be for lights, white for dizzy, and blue looks to be for external shift light. thats how my autometer tacho wiring is.

long live the hemi

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Yeah might be best to check with the maker of the tacho then, the last 2 tachos i have bought/installed have had the green wire going to the ignition coil
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kk all good every tacho is different, just everything i have played with has had a green wire for the lights as it was a universial color. but i could be wrong for the first time lmao

long live the hemi

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~_~ 4.3 Sucking Through Tripples Mmmmmmm ~_~
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[:http://gallery.oldho...|link to my shed]
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should be:

* Red to 12-volt "switched" power supply
* Black to ground
* Green to trigger (negative side of coil, or tach output terminal if using an aftermarket ignition control)
* White (or yellow) to light circuit

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vr tacho 5'' wont work

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hi there any one know what wire is the tacho wire on the coil for a vl comm turbo cheers

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Thanyou to Foxhunter followed your wiring instructions and it works like a new one even though it's 20 years old.
Cheers. Redrocket82.....

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hey i got a vt ss trying to hook up a shift light to the tacho any idea on the wiring???

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