I did search, found a indiglo gauge installation faq for 5th gen lude and 2 for 4th gen lude.
1. 5th gen one is different from 4th gen coz it has only 4 wires. 4th gen has 6 wires!!! there are 2 red wires with black strips.

so which one?
2. in the installation guide, some people recommended to wire the power line to dimmer switch. but some people recommended to ashtray light. So which one should be better?
Thanks. Need input fast...
KEN