SuzukiSavage.com - Wiring for Tach?

Reelthing Serious Thumper Alliance Member Offline Fish or ride that is the question Posts: 5397 Houston,Tx Gender:	Re: Wiring for Tach? Reply #15 - 01/20/06 at 16:23:59 Ed - you using one of those tinytachs?
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theikeman Senior Member Offline Live each day as if it were your last ... Posts: 344 Gibsonton in South Florida Gender:	Re: Wiring for Tach? Reply #16 - 01/21/06 at 20:59:52 The Tachometers above from JC Whitney are "mechanical" drive, will not work on a savage. FYI Ike
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Fat Bastard

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Re: Wiring for Tach?
Reply #17 - 02/24/06 at 08:42:43

Ok I bought a Tach.. and I'm going to put it on... I got the tank off. I had to take the petthingy completly off.. maybe next time I will use more force to try to yank the tank off without taking the petthing off.. Ok.. I have seen to different explanation of wiring..
1.RED wire – Connect to 12 Volt source powered when ignition is “on”
BLUE Wire – to lamp on, (12 volt DC source to power the light inside the tach).
BLACK Wire – Connect to FRAME Ground).
GREEN WIRE – Connect to negative terminal of coil

2.on the Barrons tach you have 4 wires - green for the trigger wire - this connects to the top connector of the coil, a red and a blue wire - one is for the tach light(blue one I think) and the other the one is for + battery connection (red i think) connect both of these to the bottom connector of the coil which is the hot wire, the other wire is black and this goes to ground - I just connected this to one of the bolts that holds the coil to the frame.

On mine there is no blue wire (see pic) but to black ones.

Can anyone give me a hint.. so I don't mess this up...

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Reelthing Serious Thumper Alliance Member Offline Fish or ride that is the question Posts: 5397 Houston,Tx Gender:	Re: Wiring for Tach? Reply #18 - 02/24/06 at 09:59:02 I can't find a queston - what color wires do you have? is it a barons? Never mind I see the question - so the #2 wire you have in the picture is black as well as the #1 ?
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Reelthing

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Re: Wiring for Tach?
Reply #19 - 02/24/06 at 10:21:02

Ok what I would do if this tach landed in my lap without any instructions - I'd expect the red and green to follow normal uses - red is hot and green is trigger - I would bolt the tach down and hook up the red and green wires - now we need to figure out which black wire is ground and which is power for the bulb - the best guess would be the heavy #1 wire is the ground wire and the smaller #2 running inside the cord with the other two is the bulb power wire. But to change it from just a WAG to a SWAG - take a multimeter set to DC and check for any voltage on either of these both postive and negitive with the key on - if neither are hot and the small black wire is and open circuit the odds of hurting anything are remote and I'd ground the #1 wire and put current to small black #2 wire.

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Fat Bastard

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Re: Wiring for Tach?
Reply #20 - 02/24/06 at 11:52:08

Yes I think the thick black wire#1 is the earth.. and as you say the red and green are probably "normal". I have a "Regulated Power Supply" where I can switch between 3, 5, 6, 9, 12 or 13.8 volts.. but I get no light when I connect wire #1 to - and #2 to + but the light is not important to me... so I'll connect the red and the green wire and then try to figur out the other to... but there is also a fifth wire .. a blue one wich comes out of the tach where the black #1 comes out .. it connects to the tach with a screw...
maybe that is somekind of "earth 2" or backup..

thanks for the answer..

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Savage_Rob Serious Thumper Alliance Member Offline Mechanically Inclined Amateur Posts: 6972 Texas (Dallas area) Gender:	Re: Wiring for Tach? Reply #21 - 02/24/06 at 13:23:53 Don't cut the red wire...
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Fat Bastard

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Re: Wiring for Tach?
Reply #22 - 02/24/06 at 14:07:37

I won't cut the red wire.. I found a test site where my tach is. same part number.
http://www.motorcyclecruiser.com/accessoriesandgear/tachs/
it says there that.
Custom Chrome
Mini-Tachometer
" In order to utilize the internal instrument light, the blue and black wires exiting different holes in the tach housing must be connected to the power and the ground, respectively. Since the wires exit from different places on the tachometer, we recommend shrinkwrapping them together to clean up the appearance."

here they continue to speak of this blue wire.. but here I understand that wire#1 is for the internal light and the wire#2 is the ground for the hole thing.

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Reelthing Serious Thumper Alliance Member Offline Fish or ride that is the question Posts: 5397 Houston,Tx Gender:	Re: Wiring for Tach? Reply #23 - 02/24/06 at 17:11:23 Neat little puzzle - so it just has the light seperate from tach board altogether. Red/Green normal ground the little back wire and then you have a working tach. Power the large black and blue wires at the tach head for the light bulb. Is that what you ended up with?
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Fat Bastard

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Re: Wiring for Tach?
Reply #24 - 02/25/06 at 01:50:47

jebb.. I have put the tach on and the green wire goes to the top connector on the coil where the Black/Yellow wire is.. The red wire goes to the bottom connector with the orange/white wire and the black wire goes to ground.. but the thick black/blue wire for the light is to short to go anywere.. I have to get me some extension on it....

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Curz YaBB Newbies 2005 No Login Offline Posts: 34 Waterloo, Ontario, Canada Gender:	Re: Wiring for Tach? Reply #25 - 02/25/06 at 12:20:07 I would say that the thick black is probably 12 power for the tach light. and the thick blue is ground for the light. Just mount it (will provide the ground) and run the thick black lead into the headlight (not too far away) and then the tach will light whenever the headlight is on.
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Fat Bastard YaBB Newbies Offline Posts: 47 Gender:	Re: Wiring for Tach? Reply #26 - 02/25/06 at 12:40:09 I did not think of that..... Note to self... Headlight.... Thanks.
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Fat Bastard YaBB Newbies Offline Posts: 47 Gender:	Re: Wiring for Tach? Reply #27 - 04/09/06 at 00:49:07 An Update.. I did connect the tach and it was no problem. there is no flicker so the connections must be in order. I have not yet connected the light. It's not a problem seeing on the tach without the light. I think it looks nice.. I'll just have to remember to look at it when I'm riding... I still shift by the ear/feeling.
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