描述

Front-and-rear wiring harnesses by RRH are designed to connect electrical components between the front and rear sections of vehicles, machinery, or large equipment, ensuring seamless power and signal transmission over extended distances. These harnesses feature long, flexible conductors (often tinned copper for corrosion resistance) bundled into a protective sleeve, which resists abrasion from movement, debris, and temperature fluctuations. Ideal for trucks, buses, construction machinery, and industrial robots, they integrate power lines (for lights, motors) and signal cables (for sensors, controls) into a single, manageable assembly. RRH customizes the length (from 5m to 50m) and connector types (weatherproof for outdoor use) to fit specific equipment, with strain relief at connection points to prevent wire damage from vibration. The organized design reduces clutter, minimizes installation time, and lowers the risk of short circuits. Whether linking a truck’s front engine to rear lights or a robot’s front arm to rear control systems, these harnesses ensure reliable connectivity across distances.

Product Advantage

Improved Durability with top quality manufactured insulation ensuring full compliance with industry standards, designed to withstand extreme temperatures, moisture and physical harms

RRH Cable we have the capability to manufacture grade A 99.9% pure copper precisely stranded in the insulators for the best conductivity and efficiency

Thanks to our expert craftsmanship, we provide high-quality cables that minimize the need for frequent maintenance or replacements, significantly reducing long-term operational costs.

Technical Parameters

Front Wiring Harness

AWG                Conductor Area   Voltage Rating   Current Rating    Insulation Type    Conductor Material    Core Type      No. of Conductors       Used For
20 – 16 AWG  0.5 – 1.3 mm²        12V – 48V DC       5 – 15 A        PVC / XLPE / TPE    Tinned Copper        Stranded          20 – 80+    Headlights, sensors, switches, fans
22 – 18 AWG  0.34 – 0.82 mm²  12V – 24V DC      3 – 10 A        PVC / FEP                    Tinned Copper        Stranded          40 – 100     Dash electronics, control signals
14 – 10 AWG   2.1 – 5.3 mm²       12V – 60V DC      15 – 45 A       XLPE / Silicone        Bare Copper              Stranded          2 – 10         Radiator fans, alternator, fuse box lines
26 – 24 AWG  0.13 – 0.2 mm²     5V – 12V (signal)    <2 A          PE / PVC / FEP          Tinned Copper         Stranded          20 – 50       CAN bus, data lines, ECU communication

Rear Wiring Harness
AWG                    Conductor Area    Voltage Rating    Current Rating   Insulation Type   Conductor Material    Core Type    No. of Conductors        Used For
20 – 16 AWG   0.5 – 1.3 mm²       12V – 48V DC        5 – 15 A       PVC / TPE / XLPE      Tinned Copper              Stranded         15 – 60+     Rear lighting, trunk actuators, cameras
24 – 22 AWG   0.2 – 0.34 mm²   5V – 12V (signal)    <5 A           PVC / FEP                     Tinned Copper              Stranded         20 – 40       Rear sensors, fuel level sensors
14 – 10 AWG    2.1 – 5.3 mm²       12V – 60V DC         15 – 45 A     Silicone / XLPE         Bare Copper                  Stranded            2 – 8          EV charge port, rear fuse links

Product Uses

Front Wiring Harness 
Engine Management                        Sensors (O2, MAF, knock), ignition coils, fuel injectors
Lighting                                              Headlights, DRLs, fog lights, turn indicators
HVAC & Cooling                               Radiator fan, blower motor, A/C compressor clutch
Instrument Cluster & Controls      Gauges, switches, dashboard indicators, steering controls
Safety Features                                  Airbags (front), ABS sensors, horn
Communication                                 ECU/TCU interconnects, CAN/LIN/FlexRay lines

Rear Wiring arnesses
Rear Lighting                                   Tail lights, reverse lights, brake lights, turn signals
Trunk Functions                              Power tailgate, rear-view camera, cargo lighting
Safety & Sensors                              Parking sensors, radar units, rear airbags
Fuel & Emissions                            Fuel pump, fuel level sensor, EV charge port
Entertainment                                 Rear speakers, entertainment screens, USB outlets
Battery or Auxiliary Units             12V battery, rear fuse box, EV battery interconnects

Product Operate Guide

Apply cable base on its insulation property

Always de-energize the system before working on cables

Proper PPE duing operation

Key Features

Feature                                                                                                          Why It Matters
Correct Wire Gauge (AWG)                           Ensures the harness can handle the required current without overheating or voltage drop.
Stranded Copper Conductor                         Offers flexibility and durability—resists vibration and bending fatigue better than solid wire.
Heat-Resistant Insulation                             Prevents insulation breakdown in hot areas like the engine bay (front harness); maintains system safety.
Moisture-Resistant Jacket                            Protects rear harness from water ingress, especially in trunk and exterior areas.
Modular Design                                               Simplifies assembly and replacement—modules can be easily plugged or swapped during repairs.
Color-Coded Wires                                         Speeds up troubleshooting, repairs, and ensures correct installation during manufacturing.
Weight Optimization                                      Critical for EVs and fuel-efficient vehicles—reduces unnecessary wire size and excess material.
EMC Compliance                                            Ensures the vehicle meets legal and safety standards for electronic interference and emissions.
Fire-Retardant Materials                              Improves safety by limiting flame spread in case of short circuits or system failures.
Testing & Quality Checks                              Verifies function, safety, and durability before harnesses are installed—prevents costly recalls.
Shielded Signal Lines                                    Reduces EMI (electromagnetic interference) in sensitive signal wires (CAN, camera, radar, sensors).
Proper Connector Selection                         Ensures secure mechanical/electrical connection and environmental sealing (IP67/IP69K rated if needed).
Harness Wrapping (Tapes/Sleeves)           Protects against abrasion, improves aesthetics, and organizes wires for efficient routing.
Routing Compatibility                                  Designed to fit chassis layout—avoids sharp bends, pinching, or interference with moving parts.
Vibration Resistance                                     Vital for longevity—prevents conductor fatigue and intermittent electrical faults.
Spare Wires or Pins                                      Future-proofs the system—supports upgrades or additions without redesigning the entire harness.