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The Fog Light Circuit sounds like a good choice... I removed my Fog Lights and the new one will have there own circuit, so I can use the fused circuit for both the Grille Lights and Halos, and the new fog lights Switched Relays.
Our recommendation is to use Fuse 31 to power just the HALO feature, along with the "Raptor styled" grill lights. And yes, leave the fog lights to their own circuit as well as any additional AUX lighting. We are working on a new blog article relating to something similar, should be posted by midnight tomorrow. You might find it a decent read. I think you're a subscriber to the site news so you'll get prompted about it.
I have a question, "The 2003 Wiring Schematics Book, states that fuse #31 is power "On all the time"; Im not sure about the meaning. Does that mean that the circuit is an ignition switched circuit... that has power in all conditions ? i.e. Start, Run, Acc.
When I read the statement about being On, I was thinking it will have power all the time, any accessories can be turned on at any time... I know my Fog Lights couldn't be turned on all the time so I am not sure... AGAIN !
In the ignition setup you have several circuits that work together to control many functions of any vehicle. Remember kids, a lot has changed since the 76 Beetle where you actually had to shut off all your accessories.
- 12v+ - Constant 12volt power at all times
- ACC - Constant power during key in on position forward or backwards and cranking
- START - Power on ONLY while cranking
- IGN - Power on when key in on position/off during cranking of engine
- IGN2 - Power on when key in on position/off during cranking of engine
- IGN3 - Power on when key in on position/off during cranking of engine (?)
- IGN4 - Power on when key in on position/off during cranking of engine (?) (most fords only have 1-3 Ign switches)
There are some minor exceptions to these but not too much in the 2011 down Rangers. The DRL feature just has power on Key-On (NOT Acc) and during crank like most DRL setups. It is NOT constant power all the time. I don't know specifically why that is. Could be a marker light thing, could be a safety thing, unknown at this time why DRL stay on while cranking.
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