Thachometer wireing

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Dec 25, 2005 | 07:15 PM

Big Block Boy

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Freshman User

Joined: Jan 2005

Posts: 49

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From: Outside of Twin Falls

Thachometer wireing

I just got a new Faze 5" monster tach with shift light

. It's sweet, but the wireing however is not. I understand the ground, positive and coil wire, but the dimmer switch wires and shift light wires, I have no idea. I hate wireing.

I cant wait to get it hooked up though. I also don't understand the " For dash lighting dimmers that control the positive side of the dimmer circuit", and " For dash lighting dimmers that control the grounded side of the lighting circuit". I really hope somebody can help me out here.
Thanks guys
Dustin

Dec 25, 2005 | 08:41 PM

Ford_Six

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Joined: Oct 2002

Posts: 18,488

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From: The Big, Oregon

These trucks control the positive side of the dimmer circuit, tap into the wire off the light switch rheostat for the tach light. Not sure on the shift light wiring.

Dec 25, 2005 | 08:58 PM

smecomark1

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Joined: Dec 2005

Posts: 206

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From: Piney Point Shores, Md

I have tapped into the wire that provides power to the ash tray light, its easy to find/hook up and works great.

Dec 25, 2005 | 08:59 PM

go_racing84

Laughing Gas

Joined: Aug 2004

Posts: 964

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From: Roseburg, OR

Do you have a test light? Ground the alligator clip end of the test light, turn on your parking lights, then poke around on your headlight switch connector until it lights up. Keep the test light there, then turn your dimmer switch up and down. If the test light gets dimmer and brighter when you do that, that's the wire you need to tap. And as Ford_Six said, it is a positive wire.

EDIT: smecomark1 has a good idea too.

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