BR–139 BRAKE SYSTEM – TRACTION CONTROL SYSTEM (TRAC) WIRING DIAGRAM ABS & TRAC ECU TRAC ECU ⊕ 12 V FRO w~ A7 13 LG-B 20 T8 FRO w~ FLO A7 15 O 6 T9 FLO RRO A7 6 Y-B 19 T9 RRO RLO A7 4 GR-R 7 T9 RLO Speed Sensor BR5402