Forgive my ignorance, but what is a "CD relay in line?" Could someone post up some photos and part numbers please? I'm in the middle of wiring my car using the MAD electrical diagram for battery in the trunk with use of the Ford relay.

What changes need to be made if using the Mad Electrical trunk wiring diagram with use of the Ford Relay, to make sure the alternator can be shut off at the main battery positive kill switch?