Wiring Diagram

Trailer Plugs
and Sockets

Narva 7 and 12 pin trailer connectors comply with all relevant ADRs. Flat connectors comply with Australian Standards AS4177.5-2004. Large and small round connectors comply with AS2513-1982 while Heavy duty connectors meet the AS4735-2003 standard as required for vehicles and trailers over 3.5 tonnes.

Available in either bulk or blister packaging, the range features plugs, sockets and adaptors in metal or ABS housings with brass or nickel plated brass terminals.

Towing Camper Trailer
 

Select Your Trailer Plug/Socket Type

7 Pin Small Round Plug and Socket

Pin No. Circuit Wire Colour
1 Left-Hand Turn Yellow
2 Reversing Signal Black
3 Earth Return White
4 Right-Hand Turn Green
5 Service Brakes Blue
6 Stop Lamps Red
7 Rear Lamps, Clearance and Side Marker Lamps Brown
Cable Entry
7 Pin Small Round Trailer Plug Cable Entry

Large and small round connectors comply with AS2513-1982. Narva 7 & 12 Pin trailer connectors comply with all relevant ADRs.

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6 Pin Small Round Plug and Socket

Pin No. Circuit Wire Colour
1 Rear Lamps, Clearance and Side Marker Lamps Brown
2 Left-Hand Turn Yellow
3 Right-Hand Turn Green
4 Stop Lamps Red
5 Service Brakes Blue
6 Earth Return White
Cable Entry
6 Pin Small Round Trailer Plug Cable Entry

Large and small round connectors comply with AS2513-1982.

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12 Pin Flat Plug and Socket

Pin No. Circuit Wire Colour
1 Left-Hand Turn Yellow
2 Reversing Signal Black
3 Earth Return White
4 Right-Hand Turn Green
5 Service Brakes Blue
6 Stop Lamps Red
7 Rear Lamps, Clearance and Side Marker Lamps Brown
8 Battery Charger/Winch Orange
9 Auxiliaries/Battery Lead Pink
10 Earth Return White
11 Rear Fog Lamp Grey
12 Auxiliaries Violet
Cable Entry
12 Pin Flat Trailer Plug Cable Entry

Flat connectors comply with Australian Standard AS4177.5-2004. Narva 7 & 12 Pin trailer connectors comply with all relevant ADRs.

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7 Pin Flat Plug and Socket

Pin No. Circuit Wire Colour
1 Left-Hand Turn Yellow
2 Reversing Signal Black
3 Earth Return White
4 Right-Hand Turn Green
5 Service Brakes Blue
6 Stop Lamps Red
7 Rear Lamps, Clearance and Side Marker Lamps Brown
Cable Entry
7 Pin Flat Trailer Plug Cable Entry

Flat connectors comply with Australian Standard AS4177.5-2004. Narva 7 & 12 Pin trailer connectors comply with all relevant ADRs.

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7 Pin Large Round Plug and Socket

Pin No. Circuit Wire Colour
1 Left-Hand Turn Yellow
2 Reversing Signal Black
3 Earth Return White
4 Right-Hand Turn Green
5 Service Brakes Blue
6 Stop Lamps Red
7 Rear Lamps, Clearance and Side Marker Lamps Brown
Cable Entry
7 Pin Large Round Trailer Plug Cable Entry

Large and small round connectors comply with AS2513-1982. Narva 7 & 12 Pin trailer connectors comply with all relevant ADRs.

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5 Pin Large Round Plug and Socket

Pin No. Circuit Wire Colour
2 Left-Hand Turn Yellow
3 Earth Return White
5 Right-Hand Turn Green
6 Stop Lamps Red
7 Rear Lamps, Clearance and Side Marker Lamps Brown
Cable Entry
15 Pin Heavy Duty Euro Trailer Plug Cable Entry

Large and small round connectors comply with AS2513-1982.

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7 Pin Heavy Duty Round Plug and Socket

Pin No. Circuit Wire Colour
1 (31) Earth Return White
2 (58L) Left-Hand Rear, Clearance and Marker Black
3 (L) Left-Hand Turn Yellow
4 (54) Stop Lamps Red
5 (R) Right-Hand Turn Green
6 (58R) Right-Hand Rear, Clearance and Marker Brown
7 (Centre) Reversing/Auxiliary Blue
Cable Entry
7 Pin Heavy Duty Round Trailer Plug Cable Entry

Manufactured in accordance with the SAEJ560 Standard and in accordance with the Australian Standard AS4735-2003 as required for vehicles and trailers over 3.5 tonnes. These connectors are rated at 40A continuous duty. Pin number 1 is self grounded (die cast only) with a peak rating of 70A and accepts wire sizes from 4–8mm2.

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7 Pin Flat Socket with Battery Connector

Pin No. Circuit Wire Colour
1 Left-Hand Turn Yellow
2 Reversing Signal Black
3 Earth Return White
4 Right-Hand Turn Green
5 Service Brakes Blue
6 Stop Lamps Red
7 Rear Lamps, Clearance and Side Marker Lamps Brown
Cable Entry
7 Pin Flat Trailer Plug Cable Entry

Flat connectors comply with Australian Standard AS4177.5-2004. Narva 7 & 12 Pin trailer connectors comply with all relevant ADRs.

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7 Pin EBS Round Plug and Socket

Pin No. Circuit Cable Size ABS EBS Wire Colour
1 Solenoid Control Valves (Pos+) 4.0mm2 Red
2 Electronics (Pos+) 1.5mm2 Black
3 Electronics (Neg-) 1.5mm2 Yellow
4 Solenoid Control Valves (Neg-) 4.0mm2 Brown
5 Warning Device 1.5mm2 White
6 CAN Bus (High) 1.5mm2 White/ Green
7 CAN Bus (Low) 1.5mm2 White/ Brown
Cable Entry
7 Pin EBS Trailer Connector and Suzy Coil Cable Entry

Since January 1st 2015 all new trailers (exceptions apply) need to comply to ADR38/04 that specifies they have either Anti-Lock Brakes (ABS) or an Electronic Brake System (EBS) to automatically adjust the brakes. EBS (Electronic Brake System) connectors are used for the electrical connection of the ABS/EBS braking systems between the truck and trailer for both 12V and 24V electrical systems. Whilst ABS has 5 pins, EBS requires two additional contacts (7 total pins) to permit the exchange of data between cab and trailer to optimise the braking effect. The plugs are connected to the sockets with a steel latch to avoid accidental disconnection. The sockets are provided with a plug expulsion system in case the plug is incorrectly connected. Mechanical resistance and watertightness guarantee an efficient and reliable electrical connection.

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13 Pin Round Plug and Socket

Pin No. Circuit Wire Colour
1 Left-Hand Turn Yellow
2 Rear Fog Light Blue
3 Ground (Pins 1 to 8) White
4 Right-Hand Turn Green
5 Rear Lamps (R), Clearance and Side Marker Lamps Brown
6 Stop Lamps Red
7 Rear Lamps (L), Clearance and Side Marker Lamps Black
8 Reversing Signal Pink
9 Power Suppler (Bat. +) Orange
10 Power Supply (Ign,+) Grey
11 Ground (Pin 10) White/ Black
12 Spare White
13 Ground (Pin 9) White/ Red
Cable Entry
13 Pin Euro Trailer Plug Cable Entry

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15 Pin Heavy Duty Round Plug and Socket

Pin No. Circuit Wire Colour
1 Left-Hand Turn Yellow
2 Right-Hand Turn Green
3 Rear Fog Light Blue
4 Ground (Pins 1-3, 5-12) White
5 Rear Lamps (L), Clearance and Side Marker Lamps Black
6 Rear Lamps (R), Clearance and Side Marker Lamps Brown
7 Stop Lamps Red
8 Reversing Signal Pink
9 Power Supply (Bat. +) Orange
10 Brake Pad Sensor Grey
11 Spring Loaded Brake Display White/ Black
12 Axle Lift White/ Blue
13 Ground (Pins 14 and 15) White/ Red
14 CAN Bus (High) White/ Green
15 CAN Bus (Low) White/ Brown
Cable Entry
15 Pin Heavy Duty Euro Trailer Plug Cable Entry

Heavy-duty connectors meet the AS4735-2003 standard as required for vehicles and trailers over 3.5 tonnes.

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