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Tacho wiring

Started by _Swampy_ , May 25 2006 07:20 PM

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8 replies to this topic

#1 _Swampy_

Guests

Posted 25 May 2006 - 07:20 PM

I know I've asked this before, but this time I'm going to wire it up tomorrow. I have an aftermarket tacho that I want to put in. The wires coming out of it are:

black - earth/negative
red - power?
white - ?
green - ?

Can anyone clarify where these go please?

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#2 _[2_FLY]_

Guests

Posted 25 May 2006 - 07:28 PM

Black is earth
Red is 12v ignition power
White is 12v dash light wiring
Green is negative of your coil or tach output

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#3 _Oldn64_

Guests

Posted 25 May 2006 - 07:33 PM

,May 25 2006, 07:28 PM] Black is earth
Red is 12v ignition power
White is 12v dash light wiring
Green is negative of your coil or tach output

100% correct.

the light warning is for your parksetc ie night time.

Cheers

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#4 _Swampy_

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Posted 25 May 2006 - 07:36 PM

and for the idiots here (me), which wire is the negative on the coil, the dizzy side?

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#5 _Oldn64_

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Posted 25 May 2006 - 07:38 PM

and for the idiots here (me), which wire is the negative on the coil, the dizzy side?

There should be two terminals on teh coil one marks + the other - like your battery, the - one is the negitive terminal. Unscrew the nut put an eyelet on the wire and tighten the nut again....

Cheers

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#6 _Swampy_

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Posted 25 May 2006 - 07:43 PM

Thanks, I feel like an idiot tonight.

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#7 _Oldn64_

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Posted 25 May 2006 - 08:03 PM

Thanks, I feel like an idiot tonight.

Why it is only information and understanding, yes now understand, what is the big deal???

Cheers

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#8 _devilsadvocate_

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Posted 25 May 2006 - 09:03 PM

Yes, should connect tacho wire to the side of coil going to the dizzy. Worth checking that this is how the -ve of the coil is in fact going to the dizzy too. I believe they will also work wired in back to front, but havent tried it myself.

Edited by devilsadvocate, 25 May 2006 - 09:04 PM.