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Main Area => General GS500 Discussion => Topic started by: shattered_arrow on March 28, 2014, 09:56:54 PM

Title: Giant n00b needing help with electronic tacho install
Post by: shattered_arrow on March 28, 2014, 09:56:54 PM
Hey guys,
GIANT newbie in general with motorbikes,
i have a 96 Gs500e and the gauges bug me so i bought some new ones.
nothing flash but it was cheaper to get the electronic Tacho.
As i am going from a Mechanical to an electronic, everything i have read says i need to draw a signal feed from  the coil or the plug wire......
Problem is, i got NFI what that actually is....
i mean, i can do electronics no problem, fabricate new plate mounts and all that, so it LOOKS sweet... but if someone out there could help me just figure out what the hell i have to wire the signal into.... i would be extremely grateful!

Regards,
The newest of n00b's
Title: Re: Giant n00b needing help with electronic tacho install
Post by: Soloratov on March 28, 2014, 10:01:40 PM
Splice the tach lead into the WHITE wire on the coil. Don't cut, just splice. You just need the unit to read the pulse heading into the coil.
Title: Re: Giant n00b needing help with electronic tacho install
Post by: shattered_arrow on March 28, 2014, 10:07:04 PM
ok now just to be clear the coil is...... ?
If anyone can provide a simple photo with an arrow.... lol
that would satisfy my idiocy!
Title: Re: Giant n00b needing help with electronic tacho install
Post by: kamikazepsi on March 28, 2014, 10:50:36 PM
ignition coil is at the other end of your spark plug wire
Title: Re: Giant n00b needing help with electronic tacho install
Post by: shattered_arrow on March 28, 2014, 11:21:14 PM
so find the spark plug. follow the wires back till i find the white one?
sounds easy :-D
Title: Re: Giant n00b needing help with electronic tacho install
Post by: robfriedenberger on March 28, 2014, 11:26:23 PM
......Please please please do not ask us what a spark plug is  :D
Yes its that simple the spark plugs are at the top of the motor on either side you really cant miss them, you may need to remove the tank to gain access to the wires for the coil. Tank comes off by removing the seat and 2 12MM bolts on either side near the rear of the tank.
Title: Re: Giant n00b needing help with electronic tacho install
Post by: shattered_arrow on March 28, 2014, 11:37:20 PM
BAHAHAHA
thankfully i know what a spark plug is....
have had to take the tank off afew times before so that shouldn't be a problem.
I'll give it a shot thanks for the advise.
i'll post pic's if i get epicly confused....
cheers
Title: Re: Giant n00b needing help with electronic tacho install
Post by: radodrill on March 28, 2014, 11:41:22 PM
you should be able to wrap the tach pickup wire around the spark plug wire; no cutting or splicing whatsoever.
Title: Re: Giant n00b needing help with electronic tacho install
Post by: shattered_arrow on April 01, 2014, 11:59:44 PM
Ok so.....
Done all that, signal wire going to white canle coming from coil...
But nothing...
Anyway i can check, using a multimeter or anything, if my tacho is a dud?

"Black line lock positive electrode
Green line lock negative electrode
Yellow line contacts signal
Some models need to attach high voltage signal line"

This shows my tacho setup. I have green wire as ground, and black wire is on 'accessories' power,
yellow is wired in the white cable coming off coil...

Any thoughts?
Title: Re: Giant n00b needing help with electronic tacho install
Post by: Soloratov on April 02, 2014, 06:26:24 PM
What tach are you using? Mine had a simple setting in the unit itself, you just selected high or low signal. Mine read as nothing until I switched to the high setting. Otherwise, sounds like you have it setup just fine.
Title: Re: Giant n00b needing help with electronic tacho install
Post by: shattered_arrow on April 02, 2014, 09:51:19 PM
Jus an ebay special

(http://img.tapatalk.com/d/14/04/03/je6avugy.jpg)


Sent from my iPhone using Tapatalk
Title: Re: Giant n00b needing help with electronic tacho install
Post by: Soloratov on April 03, 2014, 01:13:57 PM
That's digital? Huh. Alrighty. My next question I should have asked before was, is it not turning on at all, or just not showing RPM?


I noticed about that you mentioned getting power from "accessories". Why is that in quotes? There are a few lines that are full 12v once the bike is up and running, which one did you tap into? If you have power on that line when you turn the key to "On", then you should be all set. Also, make sure that ground wire is making good contact with whatever you have it connected to...whether it's the frame or directly to the neg. terminal on the battery.
Title: Re: Giant n00b needing help with electronic tacho install
Post by: shattered_arrow on April 03, 2014, 08:41:48 PM
Soloratov, not digital, electronic.
And the only way i could tell if its turning on would be showing rpm, so not sure

Also, accessories was in " cause i didnt know if its still called that on a bike. Lol
It is as you said, power only once key is turned.
Ground wire is also good. I checked all the wiring for strong connections afew times over :-(