Ok don't know how I missed this before, but on the drivers side rear, the wire loom that feeds the power antenna and side marker light has a yellow wire and yellow black wire sitting there stripped. Were these for the OEM speakers.  Was there really only one speaker for the entire car?

The wiring diagram I looked at didn't show the wiring diagram for the radio. Is there such a diagram somewhere? Checked this but I don't see the speaker itself on the diagram or the wires.

 

 

My 71 had the rear speaker and two wires that drove the speaker. The problem if you are not using the stock radio the wires may not be active.
If you are using an updated origin system you should run new wires.


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IIRC my 280 has Wht and Wht/black stripe for speaker, bullet connectors.

 

 

My '72 has grey with blue stripe and grey for it's one and only speaker.  The blue with white is power and then red/blue is dash lights.

 

Here's something neat I found for when I add more sound, 5x7s mount in the brake light access panels.

 

 

Edited August 21, 20177 yr by siteunseen