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Home / Lighting / Driving & light bars

Cut end of 4 core electric brake controller cable with the black sheath peeled back, showing the 6mm red and white cores, 5mm blue core and 3mm red core with copper strands visible inside each

Elevate Automotive

4 Core Electric Brake Controller Cable

CB653T4

4 core electric brake controller cable, 2×6mm, 1×5mm, 1×3mm colour-coded cores in one black sheath. Oxygen-free copper, V90 PVC insulation, Australian made in Mittagong NSW. Sold per metre.

Current rating20–48A
Cores2×6mm, 5mm, 3mm
Insulation rating90°C (V90 PVC)

$11.50

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Universal fitment4-core cable for wiring an electric brake controller into a trailer, caravan or camper.

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4 core electric brake controller cable for wiring an electric trailer brake controller into your tow vehicle. Four colour-coded cores of different gauges are bundled inside one black sheath, so you run a single cable instead of wiring each circuit separately.

Manufactured in Mittagong, NSW using oxygen-free copper conductors and V90 PVC insulation to AS/NZS 3808.

PVC insulation keeps the cable flexible, making it easier to route through firewalls, chassis rails and tight engine-bay wiring runs.

Core breakdown

Each of the four cores is a different gauge, sized to what it carries:

Core Conductor Current rating Function
6mm red 4.59mm² (57/0.32mm) 48A Power supply
6mm white 4.59mm² (57/0.32mm) 48A Earth
5mm blue 2.90mm² (36/0.32mm) 37A Brake controller output
3mm red 1.13mm² (14/0.32mm) 20A Brake switch input

Sold per metre.

  • Oxygen-free copper — stranded conductor
  • V90 PVC insulation — AS/NZS 3808 rated, 90°C
  • Four gauges in one sheath — each core sized to its job
  • Australian made — manufactured by Tyree Cable (Tycab)
  • RoHS compliant — restricted-substances standards
  • Sold per metre — order exactly what you need

Conductor

Material: Oxygen-free copper

Standard: AS/NZS 1125

Insulation & compliance

Type: V90 PVC

Standard: AS/NZS 3808

Temp rating: 90°C continuous

Sheath colour: Black

RoHS: Compliant

Cores & current rating

Cores: 4 (2×6mm, 1×5mm, 1×3mm)

6mm rating: 48A per core

5mm rating: 37A per core

3mm rating: 20A per core

4-core cable for wiring an electric brake controller into a trailer, caravan or camper.
12V and 24V DC systems
Not rated for 240V AC mains wiring

Q: What does “V90 PVC” actually mean?
V90 is the designation for PVC cable insulation rated to a continuous operating temperature of 90°C, the “V” for PVC, the “90” for the temperature rating in Celsius. It's the standard automotive-cable insulation grade under AS/NZS 3808, and it's what keeps this cable safe to run near warm engine-bay and chassis wiring.

Q: What does each of the four cores do?
The two 6mm cores (red and white) carry the power supply and earth for the brake controller. The 5mm blue core carries the controller's output to the trailer's electric brakes. The 3mm red core is the brake switch input, triggering the controller when the brake pedal is pressed.

Q: What's the difference between the 6mm cores and the 5mm/3mm cores?
The 6mm cores are the heaviest gauge in the bundle (4.59mm², rated 48A) because they carry the main power and earth for the brake controller. The 5mm core (2.90mm², rated 37A) carries the controller's output to the trailer brakes, and the thinner 3mm core (1.13mm², rated 20A) only carries the low-current brake switch signal, so it doesn't need the extra copper.

Q: Can I use this cable for other 12V/24V wiring, not just a brake controller?
Yes. It's sold as a brake controller cable because that's the bundle's designed use, but each core is standard Tycab single-core automotive cable at its stated gauge and current rating, so it suits any 12V or 24V DC circuit that needs four different-gauge runs bundled together.

Q: Does this cable come with a brake controller, connectors or a trailer plug?
No, this is cable only, sold per metre. You'll need a brake controller, crimp terminals to suit each core's gauge, and a matching trailer plug/socket to complete the installation.

Q: What crimp terminals do I need to terminate each core?
Match the terminal size to each core's gauge, heavier terminals for the two 6mm cores, a medium size for the 5mm core, and a smaller terminal for the 3mm core. Terminals aren't included with this cable.

Q: Is this cable rated for both 12V and 24V systems?
Yes, it's suitable for both 12V and 24V DC systems, common across 4WD, caravan and trailer setups.

Q: Is this genuinely Australian-made cable?
Yes. It's manufactured in Australia by Tyree Cable (trading as Tycab), using oxygen-free copper conductors.

Q: Is it RoHS compliant?
Yes, RoHS compliant, no restricted hazardous substances in the insulation or conductor.

Q: How much cable do I need for my brake controller install?
That depends on where your brake controller is mounted relative to the trailer plug and battery, measure the actual run length needed for each connection point, then buy that length plus a bit of slack for routing. This is sold per metre, so you can order the exact length your install needs.

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