Bypassing headlight - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Electrical
Where does this wire go?
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post #1 of 12 (permalink) Old 10-18-2010, 10:07 PM Thread Starter
1985 VN-700
 
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Bypassing headlight

I know its a law in most states, but has anybody bypassed their headlight during for starting? I remember when I got my 750 the stator was weak at best and the bike would run 2 minutes after jumping. The guy got stranded, so the get it home I disconnected the headlight. I sucked my battery down the other morning trying to start this friggin Vulcan POS. It happens all the time after the bike has sat a few days. So im thinking of putting in a switch so I can shut the headlight off when starting to save a little energy. Im gonna rebuild the starter this winter, check all the connections, and hot the coils like the post I saw in here.
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post #2 of 12 (permalink) Old 10-18-2010, 10:09 PM
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Mine does have a switch monted in the top of the headlight to turn it on and off. It came that way but it is handy. Also when it is off the white headlight panel switch lights to remind you that it is off.

2001 Vulcan VN750
Custom Paint
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post #3 of 12 (permalink) Old 10-18-2010, 10:31 PM
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I recently hooked up a simple switch on mine and it works great! Before doing any "wiring" I moved the blue wire in the JB plug over to the empty spot next to where it is stock because my headlight relay went bad. This gives it constant power when the key is on. Then I spliced a wire into the blue wire just a couple of inches after it comes out of the JB. I ran the spliced in wires up along the frame, under the tank and out the front. I cut a hole in the plastic cover and installed a simple ON/OFF switch and connected the wires. Now with the switch in the OFF position I can start the bike without the headlight being on. It doesn't matter if the beam switch is in Hi or Low, when the switch is OFF the headlight is OFF. Now I just have to remember to turn it back on before I ride.

93 VN750
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post #4 of 12 (permalink) Old 10-19-2010, 08:57 PM Thread Starter
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Cool thanks. My stator is has about 15K on it Im wondering if its not up to par. But I only have trouble in the cold weather. So I looking for all the starting juice I can get.
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post #5 of 12 (permalink) Old 10-19-2010, 09:22 PM
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Quote:
Originally Posted by CDUB View Post
Now I just have to remember to turn it back on before I ride.
And remember to turn it off after riding so not to defeat the purpose and still wind up with a dead battery. lol

01' VN750
Jardine cross over exaust
Kyriakin grips and foot pegs
Modified seat and backrest
Windshield
Luggage rack
Crash bar with Kyriakin pegs and extensions
Kumho 758 165/80-15 CT rear Dunlop 404 110/90-19 front
Coastered and air/fuel screws at 2.5 turns
Spline lube

93' VN750 getting TLC
Decals and mirrors
Coastered and air/fuel screws at 2.5 turns
ACCTs to MCCTs
Degoated with Harley mufflers
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Pick-up coils at .020
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post #6 of 12 (permalink) Old 10-19-2010, 09:24 PM
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Quote:
Originally Posted by L2fish View Post
Cool thanks. My stator is has about 15K on it Im wondering if its not up to par. But I only have trouble in the cold weather. So I looking for all the starting juice I can get.
How new is the battery? I'm thinking the battery is more likely to cause a hard start in colder temps then the headlight being on.

01' VN750
Jardine cross over exaust
Kyriakin grips and foot pegs
Modified seat and backrest
Windshield
Luggage rack
Crash bar with Kyriakin pegs and extensions
Kumho 758 165/80-15 CT rear Dunlop 404 110/90-19 front
Coastered and air/fuel screws at 2.5 turns
Spline lube

93' VN750 getting TLC
Decals and mirrors
Coastered and air/fuel screws at 2.5 turns
ACCTs to MCCTs
Degoated with Harley mufflers
Duro 110-90-19 front 150-90-15 rear
Pick-up coils at .020
Spline lube
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post #7 of 12 (permalink) Old 10-19-2010, 09:46 PM
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i agree with baldy.. I had the same problems until I installed a AMG battery
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post #8 of 12 (permalink) Old 10-20-2010, 08:03 PM
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A new AGM battery is the way to go...although, you could just hook up a easy to plug in battery charger. If your bike has been sitting awhile....You just start the bike and then .....unplug the charger....


But ...an AGM battery will hold a decent charge for a many weeks. I think I would go there first, then pick a charger.


You should of course check the charging system before spending any green on anything.


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post #9 of 12 (permalink) Old 10-20-2010, 10:17 PM Thread Starter
1985 VN-700
 
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Battery is a NAPA beginning of this summer. I had a loose connection problem with my stator leads. But hey were still putting out 60 volts after the fix. But, my fuse box and connections dont look that good, so I could probably use some work there. The main fuse is real loose. I crimped the blades to fit tighter. Still kinda not so good, but fine all summer. If the thing doesnt fire off within 20 cranks im usually having to jump it. This bike has always been this way. I feel the battery is too small for these bikes as well as being in a bad place. Vulcan electrical systems are a real POS just look at all the posts. Im also gonna run some 10 gage wire off the battery to the inside the side cover or the tool box so its easier to hook up a charger.

Last edited by L2fish; 10-20-2010 at 10:20 PM.
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post #10 of 12 (permalink) Old 10-20-2010, 10:20 PM
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With AGM and iridium plugs, mine starts the first lick unless it is near or below freezing.

I'm keepin' all the left over parts. I'm gonna use 'em to build another bike!
_____________________________________________
"Black Beauty"
1989 VN750 acquired December, 2008, 6,711 miles
Currently 23,298 miles

Old Blue
2001 Honda CMX250 Rebel acquired July, 2008

1987 VN750 project bike, acquired August, 2009, 33,000 miles and balancer sticking out of the case, currently awaiting attention and parts
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