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TOPIC: How to wire aftermarket speedometer tachometer.

How to wire aftermarket speedometer tachometer. 21 Dec 2018 21:04 #795528

  • JohnLuke
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Y’all have been so helpful this past year. Omw y’all are awesome. I bought an aftermarket speedometer tachometer. It has its wiring labeled but I’m not positive how the original connectors connect to it. I could probably take way to long to figure it out but y’all seem to know what y’all are doing. So here’s the photo

Also not sure what GR-1 means.
Thanks!
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How to wire aftermarket speedometer tachometer. 21 Dec 2018 22:04 #795529

  • Scirocco
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Some more infomation about the speedometer/tachometer manufacturer and pics would be helpful.

Her are the wiring installation instuctions of my KOSO RX2N+

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Last edit: by Scirocco.

How to wire aftermarket speedometer tachometer. 21 Dec 2018 22:23 #795530

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rover.ebay.com/rover/0/0/0?mpre=https%3A...2Fitm%2F263087620579

The only information I have in it to this link. The photos I took in the last post is the supposed wiring diagram. I’m cust curious to know which wire goes where.

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How to wire aftermarket speedometer tachometer. 22 Dec 2018 03:07 #795531

  • Wozza
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What crap translation/instructions, is that all you got
It looks like the gauge has a lcd display that tells you what gear the bike is in, so i imagine the 6 and 2 pin plugs are the gear position inputs.
So what ever wire gets a negative signal the corresponding gear is supposed to be displayed .
As our bikes only have a wire for neutral its the only one you can hook up.
Cant help with the door lock? but all the others look straight forward
good luck
1982 KZ550H1

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Last edit: by Wozza.

How to wire aftermarket speedometer tachometer. 22 Dec 2018 04:20 #795533

  • Scirocco
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The biggest problem is how to calbrate the Speedo without any speed sensor setup instructions/ Input push bottons.
You have to Input the wheel size/scope, number of speed sensor magnets/impulses per wheel turn to get correct speed values!!!

Buy cheap buy twice.

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How to wire aftermarket speedometer tachometer. 22 Dec 2018 06:54 #795535

  • martin_csr
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Since they're all negative connections, the GR stuff probably means ground. guessing. I would search youtube to see if there's a video of how to wire that one. I did a quick search & found some how-tos for some different cheap chinese meters.

Edit: found this video. appears to be the same as yours. there are other videos for it.

...

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How to wire aftermarket speedometer tachometer. 22 Dec 2018 07:14 #795537

  • CoreyClough
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No offense, but I agree with the guys above. $27.00 for a speedo/tach, for me, is way too cheap, and the fact that the instructions are not easy to follow, amplifies this. I see it does have a 30 day buyer return, you just have to pay for return shipping.

You also do not need a speedometer, as you can figure out how fast you are going at a certain rpm, as long as the tach is accurate. Lou has marks on his tach for this I believe?

I was planning on using that same Koso Gauge that Scirocco mentioned, but it didn't pan out. Check their line up of gauges:
kosonorthamerica.com/


Edit:
There are speedometers that use GPS, to see how fast you are going. Check this:
legendary-motorcycles.com/newmiscparts.html

This one looks similar to the Legendary Motorcycle GPS Unit, and has an 8k or 12k tach option.
cognitomoto.com/collections/gauges/produ...h?variant=1332926657
'85 GPz550(ZX550-A2)

GPz550 Base Manual --> tinyurl.com/ze5b3qo
GPz550 Supplement Manual --> tinyurl.com/h34d2o6
GPz550.com --> www.nwsca.com/scripts/gpz_forum_2005/default.asp
First Race Win GPz550 --> tinyurl.com/o5y3ftp

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Last edit: by CoreyClough.

How to wire aftermarket speedometer tachometer. 22 Dec 2018 12:37 #795550

  • loudhvx
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What's so confusing? Simple.
Connect the door lock wire to the door lock. Every bike tach connects to the doors.

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How to wire aftermarket speedometer tachometer. 23 Dec 2018 21:24 #795600

  • AtLarge
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loudhvx wrote: What's so confusing? Simple.
Connect the door lock wire to the door lock. Every bike tach connects to the doors.


:lol: :laugh: :evil: And roll the windows up before exiting the vehicle.
1973 Honda CL70-K3
1975 Kawasaki 350 F9-C
1983 Kawasaki KZ750-K1
1993 BMW K1100RS
2008 Suzuki GSX1300-BKK8 #1120

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How to wire aftermarket speedometer tachometer. 04 Jan 2019 16:20 #796170

  • JohnLuke
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Again, any help would be appreciated.

Here is a little bit of information. It’s not exactly the same. But here it is.

www.ex-500.com/12-modifications-upgrades...er-ebay-special.html

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How to wire aftermarket speedometer tachometer. 10 Jan 2019 07:33 #796483

  • 80kzer
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I just wired this up last week, wasn’t the easiest thing to do but nothing you can’t handle. I cut my old kz gauge wiring harness so it’s just plug and play now. I do still need to set up the speedo magnet but I can’t test it until the spring so that can wait. When I get home I can send you a diagram for the wiring.

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How to wire aftermarket speedometer tachometer. 10 Jan 2019 07:48 #796485

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Thanks bro! That would be great !

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How to wire aftermarket speedometer tachometer. 10 Jan 2019 16:29 #796498

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Here is the wiring diagram I made to make it plug and play, please excuse the sloppy writing. I have noticed those speedos sometimes have different coloring wiring, hopefully yours is the same.
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How to wire aftermarket speedometer tachometer. 11 Jan 2019 02:15 #796513

  • Kidkawie
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For the 9 pin connector looks like this:

right directional
high beam
lights
left directional
tach
negative
fuel sender if equipped
acc ON positive
???

GR harness if for a gear indicator
1975 Z1 900
1994 KX250 Showroom Resto
2004 KX125

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Last edit: by Kidkawie.

How to wire aftermarket speedometer tachometer. 11 Jan 2019 07:09 #796518

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Thanks man! That looks great.

Actually I have everything working well on the speedometer side. I’m just having little trouble getting the tachometer to work. I’ll do another look through to see what’s up.

Thanks!

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How to wire aftermarket speedometer tachometer. 17 Jan 2019 06:51 #796930

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any luck with the tacho, I am having the same issue getting it to work on my 84 GPZ550

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