GM Service Manual Online
For 1990-2009 cars only
Table 1: Brake Transmission Shift Interlock (BTSI) Relay
Table 2: Brake Transmission Shift Interlock (BTSI) Solenoid

Brake Transmission Shift Interlock (BTSI) Relay


Object Number: 39670  Size: CH

Connector Part Information

    • 12129716
    • 4 Way F Metri-Pack 280 Series, Flexlock (GRY)

Pin

Wire Color

Circuit No.

Function

30

PPL

420

Brake Pedal Switch Output-Torque Converter Clutch

85

YEL

1737

Transmission Mounted Neutral Safety Switch Output-Park/Neutral

86

BLK

250

Ground

87

DK GRN/WHT

1135

Brake Transmission Shift Interlock Solenoid Feed

Brake Transmission Shift Interlock (BTSI) Solenoid


Object Number: 280768  Size: CH

Connector Part Information

    • 12052832
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN/WHT

1135

Brake Transmission Shift Interlock Solenoid Feed

B

BLK

250

Ground