Dead as a door nail.... - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Electrical
Where does this wire go?
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post #1 of 13 (permalink) Old 08-09-2010, 05:02 PM Thread Starter
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Dead as a door nail....

...wonder where that expression came from?

When I returned to work after lunch, I shut the bike down normally. When I came back out to start it up....nothing. No lights, indicators, sound...nothing!
Long story short, I needed to move the bike slightly (while in gear) to get the oil & neutral lights to come on...it then started easily/normally.
What, if anything, was out of alignment?
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post #2 of 13 (permalink) Old 08-09-2010, 06:00 PM
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Sounds like what ever shaking you did might have made contact with whatever electrical connection might be loose. I'd start by checking engine grounds and battery connections for looseness and corrosion. Might also be your ignition switch that is flaky. I had the same thing happen but on a 1980 KZ550 that had corrosion in every electrical connection that I eventually found...

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post #3 of 13 (permalink) Old 08-09-2010, 06:27 PM
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...wonder where that expression came from?


http://www.worldwidewords.org/qa/qa-dea1.htm


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post #4 of 13 (permalink) Old 08-09-2010, 06:49 PM Thread Starter
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Quote:
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Sounds like what ever shaking you did might have made contact with whatever electrical connection might be loose. I'd start by checking engine grounds and battery connections for looseness and corrosion. Might also be your ignition switch that is flaky. I had the same thing happen but on a 1980 KZ550 that had corrosion in every electrical connection that I eventually found...

Doug,
Seemed to be related to slight engine rotation as a result of moving the bike. Perhaps a starter sticking??
I'm fairly sure it's not the ignition switch....heck, it's never been in the rain or left outside over night.
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post #5 of 13 (permalink) Old 08-09-2010, 06:50 PM Thread Starter
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Thanks KM....good explanation as any I guess
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post #6 of 13 (permalink) Old 08-09-2010, 10:35 PM
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I just bought the kz400. The young man that I got it from could not start it. I advised him to check all main connections. He said he had. He gave up and sold it to me. When I got home I found that the ground cable was loose at the frame. Tightened it up and every thing works good now.

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post #7 of 13 (permalink) Old 08-09-2010, 11:04 PM
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Quote:
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Doug,
Seemed to be related to slight engine rotation as a result of moving the bike. Perhaps a starter sticking??
I'm fairly sure it's not the ignition switch....heck, it's never been in the rain or left outside over night.
If it was the starter sticking you would at least have had lights. I would say it is something electrical and the switch would be the 1st place I would look and then to the battery and all ground connections as fergy said.

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post #8 of 13 (permalink) Old 08-10-2010, 09:50 AM
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Not sure if it's the same problem I experienced yesterday or not. Bike was running as I duckwalked it backwards out of the garage and it died. No lights, nothing. Pulled the cover to check fuses and they were all good. Noticed some wires above and to the left of the fuse box and found the red one was almost off the connection. Pushed it back on and she fired right up.

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post #9 of 13 (permalink) Old 08-10-2010, 09:56 AM
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Not sure if it's the same problem I experienced yesterday or not. Bike was running as I duckwalked it backwards out of the garage and it died. No lights, nothing. Pulled the cover to check fuses and they were all good. Noticed some wires above and to the left of the fuse box and found the red one was almost off the connection. Pushed it back on and she fired right up.
That sounds like it was the coil pack wire.

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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 #10 of 13 (permalink) Old 08-10-2010, 10:35 AM
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Electrical problems can be so fickled that it always pays to start with the simple stuff. It is easier to check grounds and connections so that's where I would start. Just like the KZ400 above, it is usually that simple. My KZ550, a 1980 that had been outside most of its life by the looks of it, decided not to start one day at lunch. I kept a volt meter in my gear so I pulled it out and started checking. I had 6 volts showing on a 12 volt main wire in the headlight bucket so I knew it was probably corrosion somewhere causing a weak connection. I went straight to the battery to start checking. I found it on a small bullet connector on a wire that was coming off the positive battery cable. When I pulled the bullet connector apart, white powder dumped out of it. I cleaned it up with a sheet rock screw (only tool I could find) and put it back and she started right up. At home I replaced the connector before going back to work...

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Spline Lube Procedure, with photos, R/R Relocation and Coil Mod
Rusty Tank Cleaning!
Electrical Fault Finding Flowchart
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