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

Started Jul-6 by LordRamiro; 4127 views.
Sick Mick* (quick_mick)
Host

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

LordRamiro

From: LordRamiro

Sep-16

Hey Mick

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

eruby

From: eruby

Sep-16

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

Sick Mick* (quick_mick)
Host

Some of the old and cheapie tachs required you to attach the wire to the spark plug terminal....basically removing the metal tip and crimping another one on with the tach wire included. On an 1100 that'll be fun because it's a special tip.

More modern better quality tachs just let you wrap the signal wire around the plug wire.....

In reply toRe: msg 30
LordRamiro

From: LordRamiro

Sep-17

What if I just twist it around the tip of the spark plug and put the connector back in ?

would it be a fire hazard ?

Sick Mick* (quick_mick)
Host

Well....you could try that I guess. Sure wish you had some instructions....

Donn (99Orton)

From: Donn (99Orton)

Sep-18

Remember if it isn't for a dual fire system it will probably give false readings or not work at all.

In reply toRe: msg 33
LordRamiro

From: LordRamiro

Sep-20

My question will probably sound dumb, but what's the difference between a single or dual fire system,

I mean,

if one coil gives 1500 rpm, the other coil gives at 1500 RPM as well yes ?

so why would the readout be false.

My (car) mechanic mind doesn't grasp this principle

  • Edited September 21, 2021 12:39 pm  by  LordRamiro
Donn (99Orton)

From: Donn (99Orton)

Sep-21

It is called a wasted spark since it fires on the exhaust stroke as well. 

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