7-Pin Circular Waterproof Truck Headlight Wire Harness Connector – OEM 18369062000 / 18369.062.000 | Scania C7H G7S
Direct OEM-specification replacement for the 7-pin circular waterproof wire harness connector used on headlight assemblies in Scania heavy trucks. Cross-references Scania part numbers 18369062000 and 18369.062.000. Uses the 1.5mm contact series in black nylon circular housing with IP67 waterproof sealing. Compatible with Scania C7H, G7S, and related heavy-duty truck platforms.
Heavy truck headlight connectors operate in extreme environments — constant vibration, road spray, temperature cycling from −40°C to +125°C, and repeated connector mating during headlight assembly service. The 7-pin circular housing on Scania trucks is a known failure point: the locking ring cracks under vibration fatigue, allowing moisture ingress that corrodes the 1.5mm terminals. Selective pin corrosion causes partial headlight failure — low beam works but DRL or position light fails — producing roadworthiness violations. Replacing the connector restores full headlight function without replacing the headlight assembly.
| OEM Number | Format | Application |
|---|---|---|
| 18369062000 | Numeric format | Scania primary part number |
| 18369.062.000 | Dotted format | Scania alternate notation |
| Pin Group | Function | Failure Symptom if Open |
|---|---|---|
| Pins 1–2 | Low beam power and ground | Low beam not illuminating |
| Pins 3–4 | High beam power and ground | High beam not illuminating |
| Pins 5–6 | DRL / position light power and ground | DRL fault, roadworthiness violation |
| Pin 7 | Turn signal or CAN signal | Turn signal fault or CAN communication error |
| Attribute | Detail |
|---|---|
| Pin Count | 7-Pin |
| Housing Type | Circular (round) waterproof |
| Contact Series | 1.5mm pitch |
| Housing Material | Nylon, black |
| Sealing | IP67 waterproof |
| OEM Part Numbers | 18369062000 / 18369.062.000 |
| Applications | Headlight assembly harness, front lighting harness |
| Compatible Models | Scania C7H, G7S, and related heavy truck platforms |
| Terminal Included | Yes |
Q: My Scania truck DRL is failing roadworthiness inspection — could it be the connector?
A: Yes. DRL failure with functioning low/high beams is a classic symptom of corrosion on the DRL circuit pins (5–6) in the 7-pin headlight connector. The circular housing locking ring on Scania trucks is prone to vibration fatigue cracking, allowing moisture ingress. Inspect the connector before replacing the headlight assembly or DRL module.
Q: What fault codes does a failed truck headlight connector cause?
A: Scania trucks log headlight faults via the VIC (Vehicle Interface Computer) or BCM. Common fault codes include lamp circuit open faults accessible via Scania SDP3 diagnostic software. The specific code depends on which pin circuit has failed.
Q: Are terminals included?
A: Yes, terminals are included with all variants.
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