For 1990-2009 cars

## Automatic Transmission Related Connector End Views 2.2L (L61)

Table 1: | Park/Neutral Position (PNP) Switch C1 (2.2L)
Table 2: | Park/Neutral Position Switch C2
Table 3: | Automatic Transmission Output Shaft Speed Sensor Connector, Wiring Harness Side
Table 4: | 4-Way Brake Switch Connector, Wiring Harness Side
Table 5: | 12-Way Electronic PRNDL Connector (2.2L), Wiring Harness Side

#### Park/Neutral Position (PNP) Switch C1 (2.2L)

Connector Part Information |

• | 12129840

• | Conn 7F M/P 150, 280 (GY)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | -- | -- | Not Used
B | PK | 239 | Ignition 1 Voltage
C | -- | -- | Not Used
D | BK/WH | 451 | Ground
E | PU | 6 | Starter Solenoid Crank Voltage
F | L-GN | 24 | Backup Lamp Supply Voltage
G | YE | 5 | Crank Voltage

#### Park/Neutral Position Switch C2

Connector Part Information |

• | 12191757

• | Conn 4F M/P 150 SLD (NAT)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | WHT | 776 | Transmission Range Signal P
B | YEL | 772 | Transmission Range Signal B
C | GRY | 773 | Transmission Range Signal C
D | BLK/WHT | 771 | Transmission Range Signal A

#### Automatic Transmission Output Shaft Speed Sensor Connector, Wiring Harness Side

Connector Part Information |

• | 12162195

• | Conn 2F M/P 150.2 P2S (BLK)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | PPL | 401 | VSS Low Signal
B | YEL | 400 | VSS High Signal

#### 4-Way Brake Switch Connector, Wiring Harness Side

Connector Part Information |

• | 15317343

• | Conn 4F (YE)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1-2 | -- | -- | Not Used
3 | L-BU | 20 | Stop Lamp Switch Signal
4 | OG | 540 | Battery Positive Voltage

#### 12-Way Electronic PRNDL Connector (2.2L), Wiring Harness Side

Connector Part Information |

• | 12124940

• | Conn 12F (BK)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | BK | 550 | Ground
2 | BK | 550 | Ground
3-4 | -- | -- | Not Used
5 | PU | 1500 | Ignition 0 Voltage
6 | BN | 9 | Park Lamp Supply Voltage
7 | GY | 8 | Instrument Panel Lamp Supply Voltage
8 | BK/WH | 771 | Transmission Range Switch Signal A
9 | YE | 772 | Transmission Range Switch Signal B
10 | GY | 773 | Transmission Range Switch Signal C
11 | WH | 776 | Transmission Range Switch Signal P
12 | -- | -- | Not Used

## Automatic Transmission Related Connector End Views 3.0L (L81)

Table 1: | Park/Neutral Position (PNP) Switch C1 (3.0L)
Table 2: | Park/Neutral Position Switch C2
Table 3: | Automatic Transmission Output Shaft Speed Sensor Connector, Wiring Harness Side
Table 4: | 4-Way Brake Switch Connector, Wiring Harness Side
Table 5: | 12-Way Electronic PRNDL Connector (3.0L), Wiring Harness Side
Table 6: | Transmission Control Module (TCM) C1-(3.0L)
Table 7: | Transmission Control Module (TCM) C2-(3.0L (L81))

#### Park/Neutral Position (PNP) Switch C1 (3.0L)

Connector Part Information |

• | 12129840

• | Conn 7F M/P 150, 280 (GRY)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | -- | -- | Not Used
B | PK | 239 | Ignition 1 Voltage
C | -- | -- | Not Used
D | PU | 1500 | Ignition 0 Voltage
E | PU | 6 | Starter Solenoid Crank Voltage
F | L-GN | 24 | Backup Lamp Supply Voltage
G | YE | 5 | Crank Voltage

#### Park/Neutral Position Switch C2

Connector Part Information |

• | 12191757

• | Conn 4F M/P 150 SLD (NAT)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | WHT | 776 | Transmission Range Signal P
B | YEL | 772 | Transmission Range Signal B
C | GRY | 773 | Transmission Range Signal C
D | BLK/WHT | 771 | Transmission Range Signal A

#### Automatic Transmission Output Shaft Speed Sensor Connector, Wiring Harness Side

Connector Part Information |

• | 12162195

• | Conn 2F M/P 150.2 P2S (BLK)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | YEL | 400 | VSS High Signal
B | PPL | 401 | VSS Low Signal

#### 4-Way Brake Switch Connector, Wiring Harness Side

Connector Part Information |

• | 15317343

• | Conn 4F (YE)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1-2 | -- | -- | Not Used
3 | L-BU | 20 | Stop Lamp Switch Signal
4 | OG | 540 | Battery Positive Voltage

#### 12-Way Electronic PRNDL Connector (3.0L), Wiring Harness Side

Connector Part Information |

• | 12124940

• | Conn 12F (BK)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | -- | -- | Not Used
2 | BK | 550 | Ground
3-4 | -- | -- | Not Used
5 | PU | 1500 | Ignition 0 Voltage
6 | BN | 9 | Park Lamp Supply Voltage
7 | GY | 8 | Instrument Panel Lamp Supply Voltage
8 | BK/WH | 771 | Transmission Range Switch Signal A
9 | YE | 772 | Transmission Range Switch Signal B
10 | GY | 773 | Transmission Range Switch Signal C
11 | WH | 776 | Transmission Range Switch Signal P
12 | -- | -- | Not Used

#### Transmission Control Module (TCM) C1-(3.0L)

Connector Part Information |

• | 15326595

• | Siemens Socket Header 21-way (BU)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | PK | 839 | Ignition 1 Voltage
2 | -- | -- | Not Used
3 | PK | 839 | Ignition 1 Voltage
4 | RD/BK | 1228 | PC Solenoid Valve High Control
5 | BN | 418 | TCC PWM Solenoid Valve Control
6 | OG | 480 | Battery Positive Voltage
7-8 | -- | -- | Not Used
9 | D-BU | 1225 | Transmission Fluid Pressure Switch Signal B
10 | RD | 1226 | Transmission Fluid Pressure Switch Signal C
11-13 | -- | -- | Not Used
14 | BK/WH | 771 | Transmission Range Signal A
15 | YE | 772 | Transmission Range Signal B
16 | GY | 773 | Transmission Range Signal C
17-19 | -- | -- | Not Used
20 | L-BU/WH | 1229 | PC Solenoid Valve Low Control
21 | YE/BK | 1223 | 2-3 Shift Solenoid Valve Control

#### Transmission Control Module (TCM) C2-(3.0L (L81))

Connector Part Information |

• | 15326594

• | Siemens Socket Header 37-way (BU)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
22 | D-BU/WH | 1231 | AT ISS Low Signal
23 | PU | 401 | VSS Low Signal
24 | OG/BK | 586 | Low Reference
25 | WH | 1804 | TCC Release Switch Signal
26 | -- | -- | Not Used
27 | PK | 1224 | Transmission Fluid Pressure Switch Signal A
28--32 | -- | -- | Not Used
33 | TN | 2501 | High Speed GMLan Serial Data Bus +
34 | TN/WH | 2500 | High Speed GMLan Serial Data Bus --
35 | WH | 776 | Not Used
36 | -- | -- | Not Used
37 | L-GY | 1222 | 1--2 Shift Solenoid Valve Control
38 | -- | -- | Not Used
39 | BK/WH | 451 | Ground
40-42 | -- | -- | Not Used
43 | RD/BK | 1230 | AT ISS High Signal
44 | YE | 400 | VSS High Signal
45-47 | -- | -- | Not Used
48 | L-BU | 20 | Stop Lamp Switch Signal
49-50 | -- | -- | Not Used
51 | YE/BK | 1227 | Transmission Fluid Temperature Sensor Signal
52 | PU | 1319 | Engine/ Radio Serial Data K-Line
53-58 | -- | -- | Not Used