![]() ![]() I looked under the dash and the wiring to the Primus IQ has been connected up using two 5mm Red and Black cables, as follows. ![]() My worry is that the caravans connector has the Blue wire on pin 5? However the pin 5 is occupied by the 5mm Black, on the car connector? A 5mm Red & Black wire has been added! The car connector has 1=Y,2=5mm Red, 3=W, 4=G, 5=5mm Black,6=R,7=Brwn.So I replaced them one for one with the new connector.I noticed the blue wire was not used. ![]() The connector now needs replacing and on taking the cars connector to bits I find that the wires do not match the Narva connectors, I have bought. If you have any other questions about the plugs, your car, caravan, or trailer needs, comment below, or call us at 1300 227 353, or email Briohny, 2 years ago an auto electricain wired my 80 series LC for electric brakes(Primus IQ), as we had bought a Jurgens dual axle caravan. Twelve pin trailer plugs are not designed to hold a charge feed and will usually melt when exposed to that much current. If you plan to tow a caravan, we usually suggest getting an Anderson plug installed, especially if you want to charge your caravan’s battery from your vehicle. When it comes to getting your vehicle wired up to tow a trailer or caravan, there are few things we recommend. Each coloured plug does not physically fit into the other colour, so you use a different colour to ensure that you plug them into the right device. You can get the Anderson plugs in grey, red, or blue. We regularly see melted twelve pin plugs when people charge the batteries via them. The power that is fed into the plug to charge the batteries is generally more than a twelve pin plug can handle. The Anderson plug is most commonly used to charge the batteries in your trailer or caravan when you are driving. You can do this via a twelve pin plug, but we don’t recommend it. We always request a wiring diagram from the caravan or trailer manufacturer to confirm what needs to be wired to what pin. ESC, which is Electronic Stability Control, if your caravan has it.Įach caravan and trailer manufacturer wires up their plugs differently.This allows the voltage of the battery on your breakaway unit to be displayed on the dash of your vehicle. A fridge ignition feed to power the fridge in your caravan or trailer while you’re driving.You get everything that you connected on the five and seven, plus you now have five extra pins to wire up various accessories. If you tow a trailer or caravan that has either a seven pin flat or twelve pin flat, both of these can plug into the twelve pin on your car. On the tow vehicle, our preference is to mount a twelve pin flat. We prefer using the flat over the round because in our experience, the wiring is more likely to get damaged in the round.Īlso, you can plug a seven pin flat into a twelve pin flat, making it more versatile. These vehicles have a lot more lights and require more power to be fed through the plug. The seven pin connects all of the things that we mention with the five pin, plus reverse lights, and an electronic brake controller. Usually the big is used on trucks or heavy machinery. In the round, you can get a big size, or a small size. Next up is the seven pin trailer plug, which comes in flat or round. They connect the left-hand indicator, the right-hand indicator, a return to earth, your brake lights, and your taillights, including clearance and sidelights. They are definitely the least common, but they do connect very basic things. In Andrew’s twenty years of being an auto electrician on the Sunshine Coast, he hasn’t actually ever seen one of these. 5 Pin Trailer Plugįirst up we have the five pin, which only comes in the round. So, if you turn the indicator on in your car, the first pin connects the signal in the car to the trailer indicator and makes the trailer indicator work. So let’s take a look at each plug. They’re called five, seven, and twelve pin plugs because they connect five, seven, or twelve wires on your car to your caravan or trailer. Today we’re gonna take a look at the most common options for trailer plugs, the five pin, seven pin, twelve pin, and also the Anderson plug. Some of the most common questions we get asked as auto electricians are, what the different types of trailer plugs are, and what each one is used for. Hi, I’m Briohny from Accelerate Auto Electrics & Air Conditioning on the Sunshine Coast. Confused about what trailer plugs you need? Our simple explanation explains all.
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