Headlight issues - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Electrical
Where does this wire go?
Includes Electrical mods, Lights, Stator,
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post #1 of 42 (permalink) Old 09-10-2006, 08:32 PM Thread Starter
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Headlight issues

It's been awhile, but with school starting I've been incredibly busy. That being said, I think I sorted my charging woes to a crap connection at the R/R. The plug body is apparently no longer with us so all that was left were the spade connectors. They were grody so I cleaned em. Seems fine now.

But! No sooner than I had fixed that and gone for a ride....after I stopped at the house and went to head out again my headlight won't come on. I've replaced the bulb with a known good, fuse is fine, replaced the reserve lighting unit with a known good. Any ideas?

Another tidbit: When I switch the ignition to PARK, all lights go out, it was my understanding that was not supposed to happen. Related?
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post #2 of 42 (permalink) Old 09-10-2006, 08:42 PM
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will the engine start? is ur reserve light on?

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post #3 of 42 (permalink) Old 09-10-2006, 09:40 PM
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Okay, this is getting spooky. Refer to the post that Angky started about the ignition switch. Could be the same issue.

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post #4 of 42 (permalink) Old 09-10-2006, 10:00 PM
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Sorry to be dumb, but what is a reserve light?
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post #5 of 42 (permalink) Old 09-10-2006, 10:11 PM
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That would be the headlight lamp on the dash.

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post #6 of 42 (permalink) Old 09-10-2006, 10:12 PM Thread Starter
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Yeah, engine starts and runs fine. While I was on the short ride the low and high beams were both operational. Now there is no "HI" indicator on the dash or the white "headlight out" light. That's what started pushing me towards the Reserve Lighting Unit but like I said, that was fine.
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post #7 of 42 (permalink) Old 09-10-2006, 10:53 PM
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humm very odd. i have no idea where to start on this one without being there

'04 Vn750
Currently Installed
nat'l cycle deflector shield
westco 12v30 MF, 30A/h w/ 350 CCA's w/ custom box
TOC stator cover w/ Frankenstator mod!
R/R relo

Soon to have (own or on order)
TOC ACCT's
Mez's 110-FRT 170/80-Rear
Custom rear fender and tail light
Givi hard bags w/ custom rear turn signals


Band Engineer/Webmaster for Josey Contreras Tejano Band
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post #8 of 42 (permalink) Old 09-10-2006, 11:04 PM
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Quote:
Originally Posted by RepairmanSki
Another tidbit: When I switch the ignition to PARK, all lights go out, it was my understanding that was not supposed to happen. Related?
Yes, the lights all go out, but, do your flashers & turnsignals still work ?
That's what mine does. I think the brake light &horn will still work too, but I'm not positive.
I think it's a way to still have some lights but not have too much draw on the battery power.

I'd say you're OK with the park/lights out issue.

As far as the headlight no longer working. Did you test the fuse, or just look at it? I had a fuse that looked OK, but actually was blown.
Also, I'd try testing the wires to be sure you don't have some more corrosion that may need cleaned. Seems kind of funny that still nothing works after trying known good parts.
You might also want to look at the highbeam switch for possible causes.


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post #9 of 42 (permalink) Old 09-10-2006, 11:10 PM Thread Starter
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Well here's an update, I just tore down the ignition switch. Didn't look like anything hinky in there but I cleaned all the contacts and such to be sure. Here's the weird thing. With it still partially disassembled I tested the key positions, just the electrical portion, the mechanical (key) portion was still disconnected. In PARK the taillight came on and nothing else. Other functions seemed fine, except still not seeing the dash indicators.

So I went ahead and reinstalled everything and now in PARK the taillight is off?! Kinda starting to get frustrated =(

EDIT: of course the headlight is still inop as well.
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post #10 of 42 (permalink) Old 09-10-2006, 11:52 PM
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And you know your stator is good? Don't remember what you checked in the past.

It could be a junction box issue. Have you looked at it? With the bike running, have you tried jumping power to the + wire going to the headlight? If there is a problem with the relay in the junction box, then the hedlight will come on then go back off. If the relay is working, then the headlight will come on and stay on. You only have to tough power to the + wire going to the headlight for a second. The relay uses feedback loop to keep itself turned on.

If you do that, and the headlight stays on, it most likely is your stator not putting out enough to turn the headlight on. One of the stator's wires is hooked into the headlight relay, and stator rotation turns the headlight on. The headlight indicator being off while the headlight isn't functioning is a good indication of stator issues.

But then, it could be a bad ground somewhere.

2000 A16
Drilled baffles
$65 leather saddle bags
Kuryaken grips
relocated R/R
de-badged
25,000+ original owner miles
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