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OBD-492 On-Board Diagnostics _____________________________________________ 32 WAY TCM (GRAY) LOCATION: DRIVERSIDE ON TOP OF TCM PIN CKT COLOR DESCRIPTION 1 244 BK Ground 2 243 PK +12v Ignition input 3 1037 RD +12v Battery input 4 243 PK +12v Ignition input 5 244 BK Ground 6 7 520 WH TCC brake switch/cruise control release signal 8 9 784 DB T-case range switch input to the ECM (-) 10 664 LG Tow Haul switch request 11 12 666 YL Over drive disable request 13 1012 PK ABS activation signal (disables TCC during ABS activation) 14 15 16 17 18 19 665 DG Tow haul switch light activation (ground) 20 667 PP Over drive disable switch light activation (ground) 21 22 23 663 PK Range limited circuit 24 662 WH High trans temp signal C78 Female |