Oh GM Don't Stop Being You

GM and electricity are in a strange relationship.

Wiring sizes are 'gage' instead of 'gauge'.  I hear to save a teeny amount of ink over LOTS of documentation.

And the cryptic ISRVM/HVAC circuit in my Vette.

HVAC is easy:  Heating Ventilation and Air Conditioning.

What could ISRVM be?

Considering it's on the same circuit as the HVAC, you might think it to be some sort of climate control part, right?

Nope.

InSide RearView Mirror.

They saved a letter by saying ISRVM instead of saying Mirror.

The mirror does lots of things on a C6, so giving it a circuit makes sense.

After all, that's where the OnStar® button is... wait that has it's OWN circuit.

Two map lights are in the mirror... wait those have their own circuit too.

The mirror automatically dims at night and has a compass in it.  THAT is what this fuse runs in the mirror.

Why am I delving into the mysteries of the C6 electrical system?

Because I am sick of the suction cup which holds up my radar detector giving up the ghost in the hot Florida sun and dropping it to dangle from the Invisicord wires and the mirror.

So I got a bracket that screws into the hole for the passenger side sun-visor clip and Escort's own DirectWire SmartCord®.

The ISRVM circuit is where I had the Invisicord tapped into before, just doing it at the fuse instead of the mirror's connector this time.

The instructions are... sparse.  Like non-existent.  They're making the assumption that you know the wire with the inline fuse is hot and the wire with the loop is ground.  I know people who wouldn't be able to figure that out.

I did.

One mini-fuse tap later I have it mocked up in the passenger seat and it works like I want.  Now I just need to route the wire from the detector's location, down the a-pillar, through the dash and out someplace near the center console so I can easily reach the controller pod.  Then route the power leads from the controller pod through the dash and down to the fuse panel under the passenger foot-well.

FUN!