Signal from the CDI on the yellow wire goes to the tach and one of the
coils. While the section that goes to the tach could be an issue, but if it
had a short it would affect coil operation. You may just have a busted
tach. Either way you won't get any good resistance measurements if it is
plugged
Yessir
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Recant, that is what brakes on the 91-02 750. Your tach issue is elsewhere
I'd bet the fuse panel. You said it is an 83 650?
Allen Thomas
On Aug 22, 2015 10:56 AM, "Allen Thomas" wrote:
> Yes
>
> Allen Thomas
> On Aug 13, 2015 11:56 PM, "Alexander Press" wrote:
>
>> https://m.youtube.com/watch?
Yes
Allen Thomas
On Aug 13, 2015 11:56 PM, "Alexander Press" wrote:
> https://m.youtube.com/watch?v=CBExLJmbCZw
>
> Is this a possiblity as to what's wrong with my tach?
>
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> T
Ok so I just tested the resistance of the yellow wires from end of harness to
cdi box and the readings jump all over the place. From about 2.3 to 13.1 ohms.
It's wild. Have the meter set at 200. What's this mean?
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"Nig
https://m.youtube.com/watch?v=CBExLJmbCZw
Is this a possiblity as to what's wrong with my tach?
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What would be a good and a bad reading on the resistance check
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Just go by feel and sound of engine, and you don't have to cut the harness
open, just resistance checks from end to end at connectors.
Sent from my iPhone
> On Aug 13, 2015, at 8:42 AM, Alexander Press wrote:
>
> Going to require cutting some old and I mean OLD electrical tape but I guess
>
Going to require cutting some old and I mean OLD electrical tape but I guess it
has to be done. When it works I flipping love it. I love being able to see
where I am on the engine and rev matching is a breeze. I can do it by feel and
whatnot at this point, but it's nice to have that tach. Anyone
I'd personally wouldn't get to worried about the tach. It's something you can
live without. However, try tracing wires to the tach first before condemning
gauge or cdi.
Sent from my iPhone
> On Aug 12, 2015, at 11:57 PM, Alexander Press wrote:
>
> So then is it possible my cdi box is fuck
So then is it possible my cdi box is fuckered up or more likely my gauges? I
stripped the ground that's under the tank and put a new "cap" on it. The lights
on my gauges are a lot brighter now Ives noticed but still not tach.
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>From the pick up on the end of the crank shaft. But if that was cutting in
>and out so would your coils and you'd have more issues :)
Sent from my iPhone
> On Aug 10, 2015, at 7:29 AM, Alexander Press wrote:
>
> That's the deal under the seat correct? Man I've cleaned those contacts so
> ma
That's the deal under the seat correct? Man I've cleaned those contacts so many
times. Well at least 2-3. Does the cdi box get the tach signal from anywhere
else or is that where it originates?
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The tach gets its signal from the CDI box. If memory serves it's a yellow
striped wire.
Kurt
On Aug 9, 2015 11:53 PM, "Alexander Press" wrote:
> All the other gauges and meters work flawlessly. Which has me thinking
> it's not a ground or everything would be cutting in and out. That leaves
> the
All the other gauges and meters work flawlessly. Which has me thinking it's not
a ground or everything would be cutting in and out. That leaves the wire that
runs from the coil to the tach housing or the tach itself, correct? Am I right
to assume the tach jacks into the ignition coil?
--
You r
Do you live lose anything else besides the tach?
Allen Thomas
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The bike is an 83 cb650 nighthawk. It's an electric tach. Thanks!
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When mine does that I clean the connections, the black plug behind the
headlight.
On 1 August 2015 at 11:53, Alexander Press wrote:
> Morning guys. I'll get right to it.
>
> My tachometer works 1-3 days every month or so and then cuts out for
> extended periods of time. Does anyone have anywhe
The problem is that its a nighthawk!!!😄
-Original Message-
From: "Graham Rogers"
Sent: 8/1/2015 12:10 PM
To: "nighthawk_lovers@googlegroups.com"
Subject: Re: [Nighthawk Lovers] Tachometer Issues
What's the bike?
Sent from my iPad
> On Aug 1, 201
What's the bike?
Sent from my iPad
> On Aug 1, 2015, at 10:53, Alexander Press wrote:
>
> Morning guys. I'll get right to it.
>
> My tachometer works 1-3 days every month or so and then cuts out for extended
> periods of time. Does anyone have anywhere I can start on this thing? Where
> are
Morning guys. I'll get right to it.
My tachometer works 1-3 days every month or so and then cuts out for extended
periods of time. Does anyone have anywhere I can start on this thing? Where are
the grounds for the tach/gauges. This is driving me nuts! The entire rest of
the gauge cluster works
I have an 82 450. I guess it is not as fast as 13,s in a quarter mile. I
believe I once saw a quoted time of around 14 seconds or so. But gas
mileage can be good. I got 65 MPG on my last tankful.
On Jun 11, 2012 3:22 PM, "clkcrawford" wrote:
> Welp...just bought my first bike last weekend. A proj
to sell her, sometimes riding an old friend outweighs the cost of keeping them
around.
Sent via BlackBerry by AT&T
-Original Message-
From: clkcrawford
Sender: nighthawk_lovers@googlegroups.com
Date: Mon, 11 Jun 2012 13:22:15
To:
Reply-To: nighthawk_lovers@googlegroups.com
Subj
Welp...just bought my first bike last weekend. A project bike that with a
little
TLC should be running and looking good in a few weeks. Its a 1985 Honda
Nighthawk cb450sc. The only part I'm having trouble finding or even
figuring out
is the tachometer. I need to replace the speedo in it and the o
The tach. on my 1986 450 quit working. I discovered that the insides are
loose. I have it off the bike. The cable is disconected and the lights are
out of it. The part the cable screws onto is slopy loose. If I get it in
the right place the tach. works. But I don't know how to get it apart t
Does anyone happen to know what the ratio is for the tachometer on an
82 NH 450? I need to replace mine and I found an aftermarket one on
fleabay that comes with a matching speedo that looks good. May need to
replace speedo as well. Just replaced cable but the speedo is
sticking. Can find replaceme
I have traced the wire from the tack to the ignition module under the
right side of the seat (yellow/green wire).
My question is: Does anyone know what type signal I should be getting
on this wire? Is it a pulse signal? Or does this somehow connect to
the negative side of the coil through adjace
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