Half the Dash Lights Are Out - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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Where does this wire go?
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post #1 of 6 (permalink) Old 03-09-2007, 07:09 AM Thread Starter
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Half the Dash Lights Are Out

Now that I've got the engine working fine, it's time to tackle the innumerable annoying electrical issues that are cropping up on Orleans. And we all know that that's my forte.

At the moment, I have the following lights: tach, speedo, fuel gauge, turn signals, and oil. I seem to have lost the neutral, headlamp, and bright. I tried to follow the wiring diagram in Clymers - made some nice, pretty-colored lines in tracing the wires to and from various locations, but I can't see where those three (neutral, headlamp, bright) are connected. Before I start tearing things apart again...anybody have a suggestion as to where to start? I know there's a small wiring harness for the "dash" lights and such, so I suspect there's a loose linkage where that harness goes into the main harness (under the front ignition coil). But what other things should I look for to troubleshoot?

Thanks.

C
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post #2 of 6 (permalink) Old 03-09-2007, 07:28 AM
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Take this for what it's worth. Start with the obvious little things. (Bulbs, sockets) Then trace the wires as far as you can to the connectors. When you get to the connections pull them apart and make sure they're clean and tight. Sometimes small cracks are enough to make them not work. Have a decent multimeter with you. And (Don't take offence) know how it works. You'll need to know how to test for voltage as well as Ohm the wires out. Good luck and if you have any questions, you got my email........

'92 Vn750


Last edited by cmanningjr; 03-09-2007 at 07:29 AM. Reason: I can't spell in the mornings
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post #3 of 6 (permalink) Old 03-09-2007, 07:32 AM
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For the neutral light, will the bike try to start when in gear (and the clutch NOT pulled in)?
If yes, could be the neutral safety switch is bad.


Only the headlamp & bright have a common circuit (besides ground), that being the reserve lighting unit. But headlamp indicator should only be lit when hi or lo beam is burned out. Does the headlight itself work?


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post #4 of 6 (permalink) Old 03-09-2007, 08:40 AM Thread Starter
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Yeah, the headlight works fine - and so does the bright. But the "bright" (blue) indicator on the dash isn't lighting up, either.

Good points, Carl, about knowing what I'm doing before I start doing. I did find a good book on motorcycle electronics, and am reading that with the Clymers nearby. I'll check the connections between the harnesses first, and then start looking at bulbs.

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post #5 of 6 (permalink) Old 03-09-2007, 09:39 AM
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I wasn't trying to discredit you or anything, Vehicle electronics are a totally diffrent monkey. I've been in the electrical field for 20+ years now.(Residential, Commercial and Utility for the last 11) I can do anything on these systems but when it comes to automotive, they make me crazy.

What I meant by knowing how to use your multi-meter is that sometimes the fancy digital idiot proof ones (Excuse the term) are more complicated than the simple $20 analog ones you get at any hardware store. Just know what you are setting it on for each test you do.. ie. Ohm, Testing Voltage ect....

You can do it.....I got faith......... ;-)

'92 Vn750

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post #6 of 6 (permalink) Old 03-09-2007, 10:25 AM Thread Starter
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Quote:
Originally Posted by cmanningjr View Post
I wasn't trying to discredit you or anything, Vehicle electronics are a totally diffrent monkey. I've been in the electrical field for 20+ years now.(Residential, Commercial and Utility for the last 11) I can do anything on these systems but when it comes to automotive, they make me crazy.

What I meant by knowing how to use your multi-meter is that sometimes the fancy digital idiot proof ones (Excuse the term) are more complicated than the simple $20 analog ones you get at any hardware store. Just know what you are setting it on for each test you do.. ie. Ohm, Testing Voltage ect....

You can do it.....I got faith......... ;-)
HA! No offense taken at all, 'cause apparently you never saw my earlier posts about "What the hey is .OL?" I had a fancy-pants digital and it was messing with my head, so I bought an analog one and suddenly it all made sense. But I'm still a rookie when it comes to the wiring and thinking through all the connections - I guess the good news is that since I know that I know nothing, I'm not averse to reading and taking advice!

C
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