led strip

[Greggles_VS]

I've just got some led strip 5050 smd 300 led 5 meters. I've touched + and - on my roof light, all lit up. I cut the strip (at a 3rd led interval) and wired it up on my fuse cover to light up the footwell. This went perfectly. Now I bought some connectors with about 6 inch of wire that the led strips slide into, I tried hooking the led strip in, and no light. I tried power directly to the copper of the led strip (from roof light again) but no lights, tried directly from the battery, no light. What can the problem be? And I am 100% sure the polarity is correct. Varnish over the copper has been scratched off, and the waterproofing silicone has been cut correctly. Please help.

 

[304runner]

Cut it at the next connection interval and start again.

 

[Greggles_VS]

Tried and didn't work. Then I figured the strip was made wrong, it was. Instead of the + and - being in the middle, they were on the outside edge, whew, didn't waste my money.