73 RR is this a light over the gauge cluster?

[butterscotch71]

There 4 filler panels. The Fasten Seat Belt light started in 72. Some say late 71 but out of the over twenty 71 B's that I've owned including late ones none had the FSB light.
The map light and rear speaker was an option for all 4 years.
71 blank
71 w/ map light
72-4 standard w/ FSB light
72-4 w/ map light
The speaker switch can be added to any of them.

As for the lower dash switches, yes 3 switches can be installed. Trying to find a pic I had of a 71 Charger that has 3 switches. Air Grabber, Rear defog, Head light wipers. The speaker switch was never installed down below on the 71-4 B's.

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Hey Mark
Don't forget the Driver's Aid accessory group for 71

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Factory location for the rear speaker fader knob from my 71 runner

 

[idrivemopar]

Your welcome.... They are made by Jeff Brown. Nice guy

Jeff actually lives about 2 miles from my house, and yes, real nice guy, hes got some sweet cars as well, stashed away, that he showed me. So hes not just a seller, but also into restorations himself!

 

[moparmarks]

Awe yes, I forgot one.