first off...hello from a new member in south carolina..
ok.im working on my friends 760 non turbo that stopped running.he thought the fuel pump quit and put one on it.he then noticed the harness under the hood had all the insulation in a few spots completely gone from oil and heat.i have the car to fix and have a couple of questions.i repaired the wiring but i have one wire im confused about.the connector on the left fender right near the power steering tank has a heavy guage brown wire that has a loop connector on the end.im thinking i took it off the ground but i cant find it on the diagram.next question its not firing the fuel pump relay or the injectors,i believe the hall effect sensor in the distributor is bad wich is his original problem but i need to know what wire is what(sig,ref volt,grnd ect) so i can test it but the schematics dont elaborate.

its fixed the brown wire was a ground which i was guessing but didnt want to burn anything up.....thanks for all the helpful replys.