Grain of wheat

[Trebor]

one of my fishing boats have i believe 3mm dia grain of wheat bulbs for

the port/starboard lights and the 2 search lights......

my question is how can i tell what voltage they are without blowing them

K....

 

[Trebor]

one of my fishing boats have i believe 3mm dia grain of wheat bulbs for

the port/starboard lights and the 2 search lights......

my question is how can i tell what voltage they are without blowing them

K....

Come on guys someone must have an answer

K....

 

[atom3624]

Do you have any references to the original manufacturers?
Is it possible to contact them Keith?

If you have a DC transformer with a rheostat - or a model railway - you could establish it that way.
Al.

 

[Trebor]

Do you have any references to the original manufacturers?
Is it possible to contact them Keith?

If you have a DC transformer with a rheostat - or a model railway - you could establish it that way.
Al.

Al i have tried 3v-4.5v-6v but cannot tell what the correct voltage is

no i do not know where the bulbs came from........



K....

 

[atom3624]

Can only guess!
If they're not LED's then aim for yellow / white, not brilliant or you'll blow them - obviously.
Al.