TM10-3930-660-20 8-46. Cab WIRING HARNSSES  - TEST/REPAIR/REPLACE (Cont‘d) REMOVAL If an individual wire in a wire harness is broken, it is not necessary to replace entire wire harness. Refer to REPAIR topic for wire replacement procedure. 1. NOTE CONNECTION POINTS OF ALL TERMINAL RINGS AND SINGLE CONNECTORS ON WIRING HARNESS. DISCONNECT TERMINAL RINGS AND SINGLE CONNECTORS  . 2. DISCONNECT FOUR PLUG-TYPE CONNECTORS. 3. REMOVE ALL CLAMPS THAT SECURE WIRING HARNESS TO CAB STRUCTURE. INSTALLATION 1. 2. 3. 4. 5. 6. ROUTE NEW WIRING HARNESS IN SAME PATH AS OLD WIRING HARNESS. INSTALL CABLE CLAMPS IN ORIGINAL LOCATIONS. CONNECT FOUR PLUG-TYPE CONNECTORS. CONNECT INDIVIDUAL TERMINAL RINGS AND SINGLE CONNECTORS ACCORDING TO NOTES TAKEN DURING REMOVAL. REFER TO SCHEMATIC DIAGRAM FOR WIRE NUMBERS AND CONNECTION POINTS. CONNECT NEGATIVE BATTERY CABLE, PARA.  8-44. TEST ALL CIRCUITS TO CONFIRM PROPER INSTALLATION OF WIRING HARNESS. 8-133