Custom Harness Fabrication: 4-Core 20AWG Multicore Cable (10M)
Professional wiring harnesses are defined by their organization and reliability. The Haltech 4-Core 20AWG Multicore Cable is a premium raw material designed for the fabrication of custom CAN bus extensions, sensor sub-harnesses, and auxiliary wiring runs. Supplied in a 10-meter (32-foot) spool, this cable features four individually insulated conductors—colored Red, Black, White, and Blue—bundled within a durable PVC outer jacket. This specific color code and gauge configuration make it the industry standard for creating custom-length Haltech CAN cables, where Red and Black carry power and ground, while White and Blue handle the CAN High and Low data signals. By using a shielded, multicore construction, builders can run long-distance communication lines from the front-mounted ECU to rear-mounted modules like the PD-16 PDM or WB2 Wideband Controller with superior protection and ease of routing.
Engineering & Construction
The cable utilizes 20AWG (American Wire Gauge) stranded copper conductors. This gauge is the sweet spot for CAN networks: thick enough to minimize voltage drop on the power supply lines over long runs (like front-to-back of a vehicle), yet flexible enough to route through tight grommets and conduit. The PVC insulation on individual cores provides excellent dielectric strength, while the outer PVC jacket offers abrasion resistance and holds the bundle in a consistent round profile (6.00mm OD). This “cable-within-a-cable” design simplifies loom construction, as you only need to secure one main cable rather than four loose wires, significantly reducing labor time and the risk of tangled wiring.
Operational Benefits
- CAN Bus Ready: Color-coded specifically to match Haltech’s CAN wiring standard (Red=12V, Blk=Gnd, Wht=CAN H, Blu=CAN L).
- Simplified Routing: A single 6mm cable is easier to pass through firewalls and secure to chassis rails than a twisted bundle of loose wires.
- Durable Protection: The outer jacket protects the inner conductors from chafing, fluids, and heat.
- Versatile Use: Ideal for stepper motors, 4-wire sensors, or low-current auxiliary switching.
Technical Specifications
| Parameter | Specification |
|---|---|
| Conductor Gauge | 4 x 20 AWG |
| Colors | Red, Black, White, Blue |
| Insulation Material | PVC (Inner & Outer) |
| Outside Diameter | 6.00mm +/- 0.25mm |
| Length | 10 Meters (32 Feet) |
Summary & Includes
Includes:
- 1 x 10m Roll of 4-Core Multicore Cable.
Note: Perfect for making custom length cables to connect an ECU at the front of the car to a PD-16 or IO Expander at the rear.











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