Aftermarket brake light not working. Need help

bountyhunter
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Re: Aftermarket brake light not working. Need help

03 Apr 2012 16:55

1slowkayzee wrote: The aftermarket brake light works perfectly fine,but only when the ignition switch is in the park position. Even with the voltage deviation, the oem light is very bright when the ignition is in the normal position. Also, the voltage is low because my charging system doesn't work.

Is it possible the HIGH/LOW filaments are reversed in the new bulb?

1979 KZ-750 Twin

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ramtough_63
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Re: Aftermarket brake light not working. Need help

03 Apr 2012 17:03

#513824

MFolks wrote: Is the new brake light LED or the kind with a bulb?

before you start replacing wires your stock light works fine but the new one doesn't?
if it is a standard bulb light obviously double check your wiring then take a piece of wire strip both ends like you are wiring a speaker ground one end to the engine and the other end to the light socket.

if it is an LED take that ground wire and attach it to the ground wire lead. see if you get any change.

1978 KZ1000 A2
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1slowkayzee
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Re: Aftermarket brake light not working. Need help

03 Apr 2012 17:04

#513825

Probably not because then the bulb would be brightest before applying brake.....but then again wires are my enemy and perhaps my bike hates me.

1975 kz400
Harrisonburg, virginia

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1slowkayzee
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Re: Aftermarket brake light not working. Need help

03 Apr 2012 17:08

#513826

Ramtough- I gave that a try and still no improvement. I have a starter issue taking priority at the moment though.

1975 kz400
Harrisonburg, virginia

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DiamondSkyBlue1000
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Re: Aftermarket brake light not working. Need help

03 Apr 2012 21:25

#513881

You never answered the question: Is your new tail light LED or incandescent? :huh:

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1slowkayzee
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Re: Aftermarket brake light not working. Need help

04 Apr 2012 02:11

#513937

Incandescent

1975 kz400
Harrisonburg, virginia

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MFolks
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Re: Aftermarket brake light not working. Need help

04 Apr 2012 02:53

#513947

Is the wattage the same or greater for the new brake light? The bulb should have either the watts stamped on the bulb or marked with ink. If the wattage(thats how light output is measured by the amount of power consumed)is greater than what you had, it may be dragging down the charging system.

1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
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1slowkayzee
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Re: Aftermarket brake light not working. Need help

04 Apr 2012 11:18

#513993

I will check that out and let you know later today.

1975 kz400
Harrisonburg, virginia

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1slowkayzee
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Re: Aftermarket brake light not working. Need help

04 Apr 2012 21:48

#514088

The oem bulb doesn't work in the new housing so it has something to do with how the new housing is wired/ grounded. I guess I should try different ground solutions?

1975 kz400
Harrisonburg, virginia

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DiamondSkyBlue1000
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Re: Aftermarket brake light not working. Need help

04 Apr 2012 22:00

#514091

Give details on the new housing. Where'd you get it, who made it, is there a wiring diagram, what's the part no. of the bulb. You know, the info we need to look it up and troubleshoot it.

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1slowkayzee
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Re: Aftermarket brake light not working. Need help

04 Apr 2012 22:16 - 04 Apr 2012 22:19

#514093

All of the information on the brake light is here: www.dimecitycycles.com/vintage-cafe-race...t-62-21512-gbpc.html

If that link doesn't work. It's a Classic style round tail light by dcc bikes. No info is provided on the website except for that it is "universal" and SKU: 62-21512-GBPC.
I also don't think that I can disassemble it without damaging something, it's held together very tight. Will call them tomorrow if I can't troubleshoot this.

1975 kz400
Harrisonburg, virginia

Last edit: 04 Apr 2012 22:19 by 1slowkayzee.

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MFolks
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Re: Aftermarket brake light not working. Need help

04 Apr 2012 23:26

#514109

If I looked correctly, there were three(3) wires going to the new brake light. I don't think the light is case grounded (could be wrong). I'd get a multimeter and start checking the wiring for continuity as it could be wired wrong....

1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)

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