I am replacing the alternator wiring harness on my 66 XKE and did not take sufficient photo and I do not remember where one of the wire ends goes. After the alternator the next wire is the ground and then come 2 more wires then hook to the regulator and then through the firewall. I can not figure out both the 2 wires before the firewall. One goes the battery positive block. What does the other one go?

 

Not positive, but it might go to W1 of the alternator relay. See if that terminal is bare.