BulbCollector Forums
BULB DISCUSSION BOARDS => Modern Electric Lighting => Topic started by: Berne on November 15, 2008, 04:14:50 pm
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Hi All,
Im new Berne is the name hi! I have a handheld light for the car it plugs into the 12V supply but now its not working? Im now troublshooting the issue and need to know how do I test the bulb ( 12v kpr 0.5amp ) and how do I test the adapter that fits into the 12v dc supply ( for the rec I took it apart and all connections look good )?
All other parts look ok, all good advice welcome.
Regards,
Berne :-(
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The bulb may be tested by connecting it directly to a 6 volt lantern battery or a 9 volt transistor battery, connect one terminal to the side of the bulb and one to the base.
If you dont have a suitable battery then it is probably cheaper simply to try a new bulb, they are cheap, but not a common rating.
I doubt that anything has gone wrong with the "adaptor" since it is a simple plug, with nothing to go wrong apart the connections which you have checked.
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Hi Adam,
Many thanks for the reply, great tipp on testing the bulb and Yes the bulb is working grand, I took a look at some images on google of my adapter and Im missing one metal connection from one side of my adapter, so a new one is pending, I am going to try to solder a new adapter to the existing lamp lead.
All the best,
Berne