I'm a computer networking engineer....not an electrician...and anything electrical is usually an "opportunity to learn"

I was working on adding extra interior lights to my 2013 iQ but having problems with getting the power to work so I just gave up and the dome light no longer works. Then, I noticed the radio wouldn't come on. Looking at the fuse box diagram, the same fuse, a 15, goes to both the dome and radio. So I figured I had blown the 15 amp fuse. Looking in the box, it only had two 15 amperes in there so I pulled both out for inspection....and, yep, one was blown. So went to the auto store to buy new ones (my spares were the normal size but need minis) Anyway, I replaced the fuses and the car wouldn't start..it's NEVER done that before....so looking at the diagram the other 15 amp goes to "injector, igniter" I had put it in the wrong slot...finally figured out where it went and fixed it....phew (And the radio is working...still gotta get those friggin new interior lights working)

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So you tried to splice your extra interior lights into the dome light? Might be better to piggyback from the fuse box. Here's a jumper that makes things easier than scratching up a custom connection:

https://www.ebay.com/itm/Micro-Blade...sAAOSwAodWFJxU

This allows you to fuse both the dome/radio AND extra lights. If the amp draw of the dome/radio and extra lights exceed capacity, you might piggyback the extra lights to a circuit with only one draw (as opposed to two.)

 

Oh I may have to try that. The fuse box I found the burned out fuse was in the engine compartment but I believe we're supposed to have another one underneath the dash in the iQ...I'll have to get down there and look around.