This is a basic 12V El Inverter – an electroluminescent inverter that is commonly used to repair blue-green Indiglo backlighting in gauge clusters. We often see this used in Ford and Chrysler clusters. They are not used in clusters newer than approximately 2005.
The pair of black wires are high voltage AC output which polarity does not matter The red and black attaches to your power source.
- Red goes to 12+ V input
- Black goes to 12- V input
We do not offer any additional technical support for this DIY part.