03-28-2017, 06:50 PM
It's hard to be sure about junk car wire harnesses since the wire would vary between manufacturers, but here's a related previous discussion about using reproduction automotive wire for creating the speaker cable on older Philcos:
http://philcoradio.com/phorum/showthread.php?tid=12753
http://philcoradio.com/phorum/showthread.php?tid=12753