Headlight wiring through a switch - 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 11 (permalink) Old 05-27-2013, 04:04 PM Thread Starter
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Red face Headlight wiring through a switch

Has anyone wired their headlamp through a switch so the headlight could be shut off when not needed?

1993 VN750
Purchased 12-26-2012
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post #2 of 11 (permalink) Old 05-27-2013, 06:54 PM
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in NY you have to run a headlight all the time when on the road.. so when would you not want your headlight on?
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post #3 of 11 (permalink) Old 05-27-2013, 07:03 PM
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i believe most states require headlight use. and as far as I know ALL motorcycle/scooter manufacturers design the bikes to have the headlight on when ever the engine is running, with provision to turn on the remaining good filament in the bulb should one burn out.
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post #4 of 11 (permalink) Old 05-27-2013, 07:33 PM Thread Starter
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Quote:
Originally Posted by slimvulcanrider View Post
in NY you have to run a headlight all the time when on the road.. so when would you not want your headlight on?
I am having a issue that with the headlamp on the voltmeter shows a discharge. I disconnected the yellow trigger wire from junction box and did the relay bypass still same problem. Stator test good 51-53 volts ac across all 3 legs. I was thinking a problem with the reserve lighting unit.

1993 VN750
Purchased 12-26-2012
DPR7EIX-9 Iridium Spark Plugs
De-Goated
Rear Turn Signals Relocated
Splines Lubed
Mac 2 into 2 Staggered Exhaust
TOC MOD
AGM Battery
Coastered
Racetech Voltmeter
Coil Relay Mod
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post #5 of 11 (permalink) Old 05-27-2013, 07:39 PM
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I have. It is the law to have a daytime running lights since the 70's on motorcycles. I have a very low watt led as daytime running light in original location to meet the law aspect. I then have primary lights added and used only when I need them on a completely different switch.

The other thing is the parking position but that is only while engine is off.
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post #6 of 11 (permalink) Old 05-27-2013, 11:15 PM
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Quote:
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I was thinking a problem with the reserve lighting unit.
I have wired around mine (RLD), however I now believe the member's initial reaction to that to be correct.

It is possible for the RLD to go to ground, but I do not think (?) the headlight would work.

I have posted the test for the RLD in a post about dim low beam.

https://www.vn750.com/forum/showthread.php?t=29897

Last edited by wmsonta; 05-27-2013 at 11:37 PM.
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post #7 of 11 (permalink) Old 05-28-2013, 06:14 AM Thread Starter
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I know the blue wire from the JB powers the RLU. I have already done the headlamp relay by pass. I want to run a new power lead to the headlamp and bypass the RLU. I got a color wiring diagram and blew it up but even with my glasses I cannot read it well. What color wire from the RLU powers the headlamp?

1993 VN750
Purchased 12-26-2012
DPR7EIX-9 Iridium Spark Plugs
De-Goated
Rear Turn Signals Relocated
Splines Lubed
Mac 2 into 2 Staggered Exhaust
TOC MOD
AGM Battery
Coastered
Racetech Voltmeter
Coil Relay Mod
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post #8 of 11 (permalink) Old 05-28-2013, 09:06 AM
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Yes, the BL wire from the headlight relay is the power for the HL.

To wire around the RLD, connect BL,BL/Y and BL/O. If you do wire around the RLD, I did it on the devise side of the connector. I can now simply unplug the rewire and plug in another RLD. Which I will do.

We are all free men here, after my investigation on this forum I would not/will not advise bypassing the RLD.

For the RLD to 'cost' power it would have to go to ground.
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post #9 of 11 (permalink) Old 05-28-2013, 09:25 AM
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Damn, I need to add, the remaining wires to the RLD should be insulated from each other and power or ground.

The HL warning light,etc will be disabled. I need to be more careful what I take for granted.
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post #10 of 11 (permalink) Old 05-28-2013, 10:19 AM Thread Starter
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Thanks for the info greatly appreciated! I will simply remove the wires from the connector attach them together for testing then I can replace them when I am through. I may wire the headlamp through a switch and wire my 2 led running lamps through the trigger to be "Legal"

1993 VN750
Purchased 12-26-2012
DPR7EIX-9 Iridium Spark Plugs
De-Goated
Rear Turn Signals Relocated
Splines Lubed
Mac 2 into 2 Staggered Exhaust
TOC MOD
AGM Battery
Coastered
Racetech Voltmeter
Coil Relay Mod
mnich797 is offline  
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