Tail and number plate lights doesnt work - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 24 (permalink) Old 01-09-2009, 07:13 AM Thread Starter
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Tail and number plate lights doesnt work

My 86 VN750 has a few problems. The tail and number plate lights don't work. Checked out the wiring and fuses and all seems ok. Brake light works and so does the headlight. Anyone with any ideas. While I think of it, i found my oil screen was damaged when doing an oil change. Can you use the bike without an oil screen and if so can you leave the spring and washer out as well. I will replace the oil screen at next oil change.
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post #2 of 24 (permalink) Old 01-09-2009, 07:23 AM
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Originally Posted by Revelation View Post
My 86 VN750 has a few problems. The tail and number plate lights don't work. Checked out the wiring and fuses and all seems ok. Brake light works and so does the headlight. Anyone with any ideas. While I think of it, i found my oil screen was damaged when doing an oil change. Can you use the bike without an oil screen and if so can you leave the spring and washer out as well. I will replace the oil screen at next oil change.
Do your front running lights work? Are you getting power to the connection under the seat? Have you tried fiddling with the key switch? If the old screen is not to bad reinstall and get a new one ASAP. Did you check your vibration Replies?


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post #3 of 24 (permalink) Old 01-09-2009, 07:38 AM Thread Starter
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Thanks

Thanks for the info. Yeah, got great info on the vibration of the bike. Checked out the oil screen and found it ripped.
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post #4 of 24 (permalink) Old 01-09-2009, 07:45 AM
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Thanks for the info. Yeah, got great info on the vibration of the bike. Checked out the oil screen and found it ripped.
You can run without the spring and washer, but I would replace the screen ASAP. Have you read this mornings replies about the vibration?


85 VN700 "Old Yella"

REBUILT ENGINE
CUSTOM PAINT
VANCE & HINES CRUZERS
EAR SHAVED AND RE-JETTED W/K&N'S
DUNLOP ELITE K591 FRONT & REAR
VOLTMETER
SYNTHETIC BRAKE FLUID
SYNTHETIC OIL & GEAR LUBE
PLEXISTAR 2 WINDSHIELD
SPLINES LUBED
ACCT'S GREASED W/TOC SPRINGS
COASTERD
LEATHER SADDLE BAGS
LEATHER TOOL AND ROLL BAG
PICKUP COILS GAPPED AT .018"
NGK CAP, WIRES, IRIDUMS
BARNETT FRICTION PLATES & SPRINGS
CUSTOM GRIPS, MIRRORS, LEVERS
ORIGINAL STATOR & R/R 14.5v
DEKA MF AGM ETX15L

Best Auto/Moto Insurance | Motorcycle Protection Today | FREE Trade-In Quote
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post #5 of 24 (permalink) Old 01-09-2009, 08:28 AM Thread Starter
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Yeah, checked out the latest posts about the vibration. I am very grateful for everyones input. Around midnight over here in Australia - probably morning in the United States and Canada . This is a great forum for the VN750.
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post #6 of 24 (permalink) Old 01-09-2009, 08:33 AM
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I had problems with my tail light last year, it ended up being the wire that went into the ignition switch was loose. When I turned the bars to the left it worked and when turning right it would go out. I just had to solder the connection again. Try to take your headlight out and check all the wiring in and around it. The ignition switch comes out pretty easily once you get the headlight out.

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post #7 of 24 (permalink) Old 01-09-2009, 11:35 AM
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Quote:
Originally Posted by Revelation View Post
My 86 VN750 has a few problems. The tail and number plate lights don't work. Checked out the wiring and fuses and all seems ok. Brake light works and so does the headlight. Anyone with any ideas. While I think of it, i found my oil screen was damaged when doing an oil change. Can you use the bike without an oil screen and if so can you leave the spring and washer out as well. I will replace the oil screen at next oil change.
Not to second guess but did you check for continuity in the wires? Is is possible that even though they are all connected, there could be a break. Part of the route those take (License light) goes exposed under the fender. It is possible for breakage there from debris. Also the connectors under the seat could be corroded causing an electrical gap.
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post #8 of 24 (permalink) Old 01-09-2009, 03:36 PM
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Quote:
Originally Posted by Revelation View Post
Yeah, checked out the latest posts about the vibration. I am very grateful for everyones input. Around midnight over here in Australia - probably morning in the United States and Canada . This is a great forum for the VN750.
Quote:
Originally Posted by kanuck69 View Post
Not to second guess but did you check for continuity in the wires? Is is possible that even though they are all connected, there could be a break. Part of the route those take (License light) goes exposed under the fender. It is possible for breakage there from debris. Also the connectors under the seat could be corroded causing an electrical gap.
What part of Oz are you from? I spent 2 years on the east coast back in the early 70`s. In Brisbane, Sydney, City of Gold Coast (surfers paradise), and inland at Armidale for a while. It`s a beautiful country and great people.

EDIT: Found out you`re from Adelaide, South Australia on another thread. Sorry mate I never got there.

After checking for continuity, corrosion and broken wires as Kanuck suggests, clean all connectors and pack them with dielectric grease to prevent future corrosion, if it hasn`t already been done.

Please fill out your profile too, so your location appears in the upper right corner of each post. It`s nice to be reminded where the folks are that come here regularly. Hope you find the problem soon.

Gordon

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post #9 of 24 (permalink) Old 01-10-2009, 09:34 AM
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You have the non US/Canada electrical system with a separate 3-position lights switch on the right handlebar (ON - LIGHTS - OFF)? In the LIGHTS position the instrument lights, the low wattage parking light within the headligt, tail light and number plate light are on. If you are sure that the tail fuse is ok, then check this chain with ignition on and headlight switch at LIGHTS position:

- 12V at the R/W wire of the junction box 8-pin connector.
- 12V at the R/W wire of the headlight switch.
- 12V at the R/BL wire of the headlight switch.
- 12V at the BL wire of the ignition switch.
- 12V at the R wire of the ignition switch.
- 12V at all R wires of the connectors under the seat.

Not all easy points to measure, but if you have 12V at the junction box and nothing at the connectors under the seat, you have to work your way to either direction to find the fault.
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post #10 of 24 (permalink) Old 01-11-2009, 05:56 AM Thread Starter
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Today I was cruising on 110 km and the motor completely cut out. I was out in the country side and I thought I was stuffed. But after a few attempts it started. I rolled it down a hill to get it started. I just bought the bike a few days ago and I think the bike has been sitting for months without being used and that probably has something to do with some of the problems I am encounting. Funny thing though, when I got home and checked my lights, guess what happened. The tail light and number plate light was working. Amazing really. I think the bike is glad someone is looking after it and continually using it.
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