installation of eurolite instrument cluster....help needed

I have all the connections in the cluster but there is a box im assuming its for the dimmer switch.. Anyways, everything works excepts for the back lights so i can't drive at night, the box has 2 wires, one black and one red, im not sure where these wires are supposed to hook into, any help would be appreciated

give some more detail. you insalled the cluster and then there is a seperate external box with a red and black wire running form it? is that correct? also, did it come with a dimmer or switches? hit me back...

yes the box is hooked up to wires that go to the back of the cluster, going from the external box is a dimmer switch, then there are the 2 wires also coming out of the box, im assuming i have to tap into the existing factory dimmer switch, it has 3 wires, one black, i think one is red and the other is both black and red, do i hook black to black and red to red, let me know if thats enough information or not, thanks for replying

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