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Old Aug 20, 2006 | 10:24 PM
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Tractor Boy's Avatar
Tractor Boy
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From: The City
Wiring q's

Hey, i need a lil help with my tach, I know what wire goes 2 what, but I need help with hookin it up

What wire can I tie my POWER(red) wire in to so it only works when the key in ON?
Does the TACH(green) go to the neg side of the coil?
what wire do I tie my LIGHT(white) wire in to so that the tach lights up with my dash??
As for the GROUND(black) wire, can it be a chassis GROUND, or does it have to be direct to the negative of the battery??

THANX yall
 
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Old Aug 20, 2006 | 11:41 PM
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Red Power to the 3-way yellow connector behind the instrument cluster.

see the Radio thread

Green wire to neg side of coil.
On the horseshoe connector attached to the coil ...it says TACH right on it.

The white wire gets spliced into the blue/red striped wire behind the instrument cluster or down near the headlight switch.

Ground wire

I don't know where you are installing the tach but anywhere there is metal on the dash or the bracket behind it is good.
 
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Old Aug 20, 2006 | 11:45 PM
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3 way yellow connector?????????? what color wire???
the tach is strapped 2 the colomn up against the dash..........all the wires were alreay run thru one of the holes in the firewall, the tach wire i kinda figuered....thanx mil
 
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Old Aug 22, 2006 | 12:38 PM
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It should be located under the dash, behind the instument panel, seft of the steering column. One wire with 3 plug holes.

buck
 
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Old Aug 22, 2006 | 01:07 PM
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Quote:3 way yellow connector?????????? what color wire???
~~~~~~~~~~~~~~~~~~~~~~

In my earlier reply,.

I stated : See the RADIO thread.
https://www.ford-trucks.com/forums/5...placement.html
There is a picture of it on it
at that time it was 2 threads from this one.

Now it is on page 2.

Maybe from too many Non-73-79 topics ?
 

Last edited by Mil1ion; Aug 22, 2006 at 01:09 PM.
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