For 1990-2009 cars

Connector 1: | Horn
Connector 2: | Horn Relay (Hatchback)

### Horn

#### Connector Part Information

- OEM: MG641156
- Service: See Catalog
- Description: 2-Way WP Series (GY)

#### Horn

Pin | Wire | Circuit | Function
--- | --- | --- | ---
1 | BK | 28 | Horn Relay Control (Hatchback)
BK | 250 | Ground (Notchback)
2 | OG | 1440 | Battery Positive Voltage (Hatchback)
BN | 28 | Horn Relay Control (Notchback)

### Horn Relay (Hatchback)

#### Connector Part Information

- OEM: AK36905
- Service: See Catalog
- Description: 9-Way F (BU)

#### Horn Relay (Hatchback)

Pin | Wire | Circuit | Function
--- | --- | --- | ---
1 | -- | -- | Not Used
2 | BK/WH | 29 | Horn Control
3 | -- | -- | Not Used
4 | BK | 28 | Horn Relay Control
5 | -- | -- | Not Used
6 | OG | 340 | Battery Positive Voltage
7 | -- | -- | Not Used
8 | BK | 450 | Ground
9 | -- | -- | Not Used