dome light mod- Question

For those of you who did the dome light mod without the replay or transistor:
Did you happen to notice a very very faint hum when you connected everything together?

I hooked the wire up to the dome and ran it forward to the map light console. Connected the dome light and it worked-Solid connection there.

Then I swapped the map light neg and positive. Put a wire in the 3rd slot which runs to the dome. Connected everything and it works great! But I noticed this hum from the map light console. I then disconnected the map light connector and it was still present. So, I would assume that it is coming from the temp/compass.

I installed everything and again everything works correctly including map and dome lights as well as compass/temp gauge. My fear is that it might be draining my battery.

While everything was installed I put my ear up to the console and couldn't hear anything. Maybe it's intermittent?

I guess we'll see if my battery goes dead with time.

 

Doh, sorry. Should have put this in the "lighting" category.

 

Well, so far so good. No noticeable drop in the battery . Could have been something that existed before I started the mod.