how to read connector layout diagram

SYSTEM CIRCUIT DIAGRAM 8A-7-2B-10 RADIO ................................................................................ 8A-7- 61RADIO ........................................................ 8A-7- 62B-11 CIGAR LIGHTER ............................................................... 8A-7- 63CIGAR LIGHTER ....................................... 8A-7- 64B-12 SLIDING ROOF ................................................................. 8A-7- 65C-1 COMBINATION METER .................................................... 8A-7- 66COMBINATION METER ............................ 8A-7- 72D-1 HEADLIGHT SYSTEM ....................................................... 8A-7- 76HEADLIGHT SYSTEM WITHOUT DRL CONTROLLER .. 8A-7- 78HEADLIGHT SYSTEM WITH DRL CONTROLLER .. 8A-7- 80D-2 POSITION,TAIL AND LICENSE PLATE LIGHT ................. 8A-7- 82POSITION,TAIL AND LICENSE PLATE LIGHT ....8A-7- 84D-3 ILLMINATION LAMP .......................................................... 8A-7- 86ILLMINATION LAMP .................................. 8A-7- 88D-4 ROOM LIGHT .................................................................... 8A-7- 89ROOM LIGHT ............................................ 8A-7- 90D-5 TURN SIGNAL AND HAZARD WARNING LIGHT ............. 8A-7- 92TURN SIGNAL AND HAZARD WARNING LIGHT .. 8A-7- 94D-6 BRAKE LIGHT ................................................................... 8A-7- 96BRAKE LIGHT ........................................... 8A-7- 97D-7 BACK-UP LIGHT ................................................................ 8A-7- 98BACK-UP LIGHT ........................................ 8A-7- 99D-8 HEADLIGHT BEAM LEVELING SYSTEM ......................... 8A-7-100HEADLIGHT BEAM LEVELING SYSTEM .. 8A-7-101D-9 REAR FOG LIGHT ............................................................. 8A-7-102REAR FOG LIGHT ..................................... 8A-7-104E-1 HEATER AND AIR CONDITIONING .................................. 8A-7-107HEATER AND AIR CONDITIONING .......... 8A-7-111F-1 ANTI-LOCK BRAKE SYSTEM ........................................... 8A-7-114ANTI-LOCK BRAKE SYSTEM ................... 8A-7-116F-2 AIR-BAG CONTROL SYSTEM .......................................... 8A-7-118AIR-BAG CONTROL SYSTEM .................. 8A-7-119G-1 CLOCK ............................................................................... 8A-7-120CLOCK ....................................................... 8A-7-121