Help with spotlight please!!!

[gingerporsche]

Hi all
Ive just got a spotlight for my bus an its got two wires coming out of it!!
One is black an the other is red an yellow, anybody no which is power an which is the earth???
Thanks
Wilf

 

[dubdubz]

Hi all
Ive just got a spotlight for my bus an its got two wires coming out of it!!
One is black an the other is red an yellow, anybody no which is power an which is the earth???
Thanks
Wilf

can you get to the lamp holder? have you got a mulitmeter or access to one?

this is the easiet way is to set meter to continuity and some come with a buzzer then see which goes where simples.........

 

[froggy]

Black is earth / negative return
Red is live

Simples!