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Headlight Burning Out

 
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JewelryMonk
Member


Joined: 06 Jun 2015
Posts: 16
Location: Rapid City, SD
Roughhouse 50

PostPosted: Sat Jun 27, 2020 2:23 am    Post subject: Headlight Burning Out Reply with quote

HELP
I could use some guidance:
My headlight burned out on my Roughhouse,
I purchased a new PIAA 70473 Super Plasma GT-X HS1 Bulb
Installed it, worked great for 20 seconds.
It has now burned out!!! ($2 per second)
I am reluctant to put another one in until I trace the problem.
Any suggestions where to look?

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Roughhouse 50
70cc upgrade
19mm Malossi with Racing air filter
Prima Pipe
6.0g Sliders and stronger spring
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tenders
Member


Joined: 03 Dec 2018
Posts: 255

Buddy International 50 Italia

PostPosted: Sat Jun 27, 2020 2:55 pm    Post subject: Reply with quote

Check the system voltage with a voltmeter. I used a cheap “cigarette lighter” style that plugs into the accessory outlet. If the voltage is high - check for a disconnected or poorly-connected ground wire at the back of the regulator (free). Then test or replace the regulator (cheap).

It’s tempting to want to blame the stator (expensive) for producing too much voltage but a bad ground or bad regulator is the much more likely culprit.

Don’t be surprised if other bulbs burn out imminently too as a result of high voltage. The little ones in the instrument panel are cheap and easy to replace with LEDs. I think they’re T5 twist-locks
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JewelryMonk
Member


Joined: 06 Jun 2015
Posts: 16
Location: Rapid City, SD
Roughhouse 50

PostPosted: Fri Jul 03, 2020 6:18 pm    Post subject: Headlight Burning Out Reply with quote

Thank you for the info, I will check this out!
_________________
Roughhouse 50
70cc upgrade
19mm Malossi with Racing air filter
Prima Pipe
6.0g Sliders and stronger spring
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tenders
Member


Joined: 03 Dec 2018
Posts: 255

Buddy International 50 Italia

PostPosted: Fri Jul 03, 2020 7:01 pm    Post subject: Reply with quote

Another possibility is that the bulb you put in is designed only for DC voltage. The Buddy 50 headlight runs on AC. Traditional bulbs are OK either way but fancy bulbs sometimes need an additional rectifier/regulator to work with AC voltage.
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