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looks like someone cut/spliced some of the CCRM wires & added a relay. The CCRM is just a bunch of relays. Inside CCRM are relays for fuel pump,fuel injectors,AC clutch & rad fans. Maybe look for the manual switch for that relay. Either the relay is to replace a non-fuction relay in the old CCRM OR to give a manual switch to one of the CCRM's functions. Some people have added a switch for the rad fans?