2-Pin 2.8mm Horn / Speaker / Ambient Light Wire Harness Connector – OEM 10400677582 / 67758 Series
Direct OEM-specification replacement for the 2-pin wire harness connector used on horn, speaker, and ambient lighting circuits across multiple vehicle platforms. Cross-references OEM part numbers 10400677582 and the 67758 series (67758-1, 67758-2, 67758-3, 67758-4). Uses the 2.8mm contact series in multiple housing colours (black, white, blue, red) — the colour coding identifies the specific circuit or vehicle platform application.
| OEM Number | Colour | Application |
|---|---|---|
| 10400677582 | Various | Primary OEM cross-reference |
| 67758-1 | Black | Horn / speaker / ambient light connector |
| 67758-2 | White | Horn / speaker / ambient light connector |
| 67758-3 | Blue | Horn / speaker / ambient light connector |
| 67758-4 | Red | Horn / speaker / ambient light connector |
| Pin | Function | Failure Symptom if Open |
|---|---|---|
| 1 | Power supply / signal (+) | Horn / speaker / light inoperative |
| 2 | Ground / earth (−) | Circuit inoperative |
| Attribute | Detail |
|---|---|
| Pin Count | 2-Pin |
| Contact Series | 2.8mm pitch |
| Housing Colours | Black, white, blue, red |
| OEM Part Numbers | 10400677582 / 67758-1 / 67758-2 / 67758-3 / 67758-4 |
| Applications | Horn, door speaker, ambient interior lighting, low-current body harness |
| Terminal Included | Yes |
Q: My car horn is not working and the fuse is fine — could it be the connector?
A: Yes. Test for 12V at the horn connector when the horn button is pressed — if voltage is present but the horn does not sound, replace the horn. If there is no voltage, inspect the connector and wiring.
Q: Are terminals included?
A: Yes, terminals are included with all variants.
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2 Pin Connectors
