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Adding a Tacho   Tuning&Exhaust:99-05 non cal

Started Jul-6 by LordRamiro; 4110 views.

From: RCCola45


Click here

I gave you my two cents already but here is a couple more with part numbers and instructions on where the wires go and how to hook up.  I had the cheaper one of the two listed here and it worked great.


From: LordRamiro


yeah, that guy's My reference so far

but since I had 5 wires I kinda wondered, but I'll try the wiring from the amazon dude. if all else fails I'll try finding another one that would work.

Thanks guys

Dan (Kamikazedan)

From: Dan (Kamikazedan)


Speaking as a fella who worked on various electromechanical and digital flight control and navigation systems in the Air Force, I have never heard of "DV" voltage measurements. If I were to read that in an instruction sheet, I would assume it is a typo, caused by the fact that the "c" and "v" keys are adjacent. 

In reply toRe: msg 22

From: LordRamiro


So there would be 2x 12v DC connections on the Tacho if I go by what they give as wiring instructions

Donn (99Orton)

From: Donn (99Orton)


It's very possible to have 2 12vdc connections. You still don't know if it's for a dual fire system so even if you get it connected correctly it might not read properly. Good luck

In reply toRe: msg 24

From: LordRamiro


ok Guys,

I finally had the chance to try the new cabling configuration I found on the amazon website sor My tacho.

Now they are talking about a high voltage signal.

Where on earth do I find such a wire ??

I tried the input AND the output of both coils and it doesn't budge an inch

I only managed to make the lights go on the darned thing.

( I might have asked though I don't remember)

Thanks in advance

Donn (99Orton)

From: Donn (99Orton)


I'm not sure how we can help anymore. I would have tossed that Amazon Chinese junk in the trash by now. 

Sick Mick* (quick_mick)

high voltage signal wire is most likely a wire tapped into one of the plug wires...


From: LordRamiro


Hey Mick

so I would have to "splice" a plug`s wire to get that high voltage ?


From: eruby


I think all you have to do is wrap that wire around the plug wire. I would not splice it in.