Actually - it says to wire tac up to “bat” does that sound right? Constant power? (Actually reading further it says “ign” just a poor diagram) And it said I should run neg all the way back to battery’s ground due to other locations being “electrically noisy” (thoughts?) green goes to my ignition coils negative - then diagram shows splice connector for (in my case grey) dimmer wire. Going to read up on splice connector - never used one