For 1990-2009 cars

Connector 1: | Engine Coolant Level Switch
Connector 2: | Engine Oil Pressure (EOP) Sensor
Connector 3: | Instrument Panel Cluster (IPC)

### Engine Coolant Level Switch

#### Connector Part Information

- OEM: 12052641
- Service: 12102747
- Description: 2-Way F Metri-Pack 150 Series (BK)

#### Terminal Part Information

- Terminal: See Terminal Repair Kit
- Core/Insulation Crimp: See Terminal Repair Kit
- Release Tool/Test Probe: See Terminal Repair Kit

#### Engine Coolant Level Switch

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | L-GN | 1478 | Coolant Level Switch Signal
B | BK/WH | 451 | Ground

### Engine Oil Pressure (EOP) Sensor

#### Connector Part Information

- OEM: 15474881
- Service: 88988620
- Description: 4-Way F Metri-Pack 150 Series, Sealed (GY)

#### Terminal Part Information

- Pins: A
- Terminal/Tray: 12048074/2
- Core/Insulation Crimp: E/1
- Release Tool/Test Probe: 12094429/J-35616-2A (GY)

#### Engine Oil Pressure (EOP) Sensor

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | TN/BK | 231 | Oil Pressure Switch Signal
B-D | -- | -- | Not Available

### Instrument Panel Cluster (IPC)

#### Connector Part Information

- OEM: 15429805
- Service: 89047195
- Description: 16-Way F (NA)

#### Terminal Part Information

- Pins: 1-3, 10-12
- Terminal/Tray: See Terminal Repair Kit
- Core/Insulation Crimp: See Terminal Repair Kit
- Release Tool/Test Probe: See Terminal Repair Kit

- Pins: 5, 6, 8, 9, 13, 14, 15, 16
- Terminal/Tray: 15359541/4
- Core/Insulation Crimp: M/M
- Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)

#### Instrument Panel Cluster (IPC)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | L-GN/WH | 5060 | Low Speed GMLAN Serial Data
2 | PK/BK | 5982 | PRNDL B Signal (M82)
3 | PU/WH | 5981 | PRNDL A Signal (M82)
4 | -- | -- | Not Used
5 | D-GN/WH | 1358 | DIC Switch Signal
6 | BN/WH | 419 | MIL Control
7 | -- | -- | Not Used
8 | GY | 8 | Instrument Panel Lamp Supply Voltage
9 | D-GN | 5060 | Low Speed GMLAN Serial Data
10 | L-GN/WH | 5984 | PRNDL D Signal (M82)
11 | PK | 339 | Ignition 1 Voltage
12 | OG/BK | 5983 | PRNDL C Signal (M82)
13 | RD/WH | 1440 | Battery Positive Voltage
14 | D-GN | 264 | Security Indicator Supply Voltage
15 | BK | 1150 | Ground
16 | BK | 550 | Ground