Wiring

Wiring: the harnesses, connectors and hardwire kits that make everything else work

Every accessory, ECU, compressor and fuel pump you bolt on has to get power and signal from somewhere, and that is the job of proper wiring. A purpose-built loom or connector set gives you the right gauge, the right pins and a weatherproof plug instead of a taped-up splice that corrodes and drops out mid-drive. Whether you are wiring an air compressor switch, terminating an ECU header or feeding a hardwired fuel pump, the parts in this Engine Components category are the pieces that make the connection reliable.

What ThreePiece stocks in wiring

This category currently holds 6 products from 3 brands: ARB, Haltech and Torque Solution. Prices run from $54 to $121, which is the live range for what is in stock right now rather than a fixed quote. ARB has the largest presence here, covering looms like the ARB Wiring Loom CKMA12/24 (180409) at the top of the range and the ARB Wiring Loom CKMTA Switch (180415) for their compressor switch circuit.

Haltech covers the connector side with the AMP 26 & 34 Pin Superseal Connector Set with plug and pins (HT-030001) and the smaller 16 Pin TYCO Plug & Pins (HT-030006). For a general-purpose install, the Torque Solution HD Weatherproof DIY Fuel Pump Hardwire Kit (universal) is a self-contained kit.

How to choose

Sort by what you are actually connecting. If you are running an ARB air system, buy the ARB loom that matches your compressor and switch setup so the pinout and plug are correct out of the box. If you are terminating a Haltech ECU or building a harness end, the Haltech connector sets ship as plug plus pins so you can crimp your own leads to length. If your goal is a clean, weatherproof power feed for a fuel pump, the Torque Solution hardwire kit is the plug-and-play route and avoids splicing into factory wiring. The spread between the $54 connector set and the $121 loom is mostly about how complete the assembly is: bare connectors cost less and need work, full looms cost more and drop straight in.

What else you need with it

Wiring rarely goes in alone. If you are hardwiring a pump, pair it with the right unit from Fuel Pumps, and confirm your power source over in Batteries. Plumbing an air or fuel system alongside the electrical work usually means a trip to Fittings and Adapters. Browse everything under the Engine Components section to build the full job in one order.

Fitment and ordering

These are largely universal and connector-based parts, so check that the pinout and plug match your ECU or accessory before you buy. Not sure? Call fitment help at 813-535-5801 or reach us through contact us. Every order ships with free shipping, and Affirm and Katapult financing is available at checkout.

Wiring: the harnesses, connectors and hardwire kits that make everything else work

Every accessory, ECU, compressor and fuel pump you bolt on has to get power and signal from somewhere, and that is the job of proper wiring. A purpose-built loom or connector set gives you the right gauge, the right pins and a weatherproof plug instead of a taped-up splice that corrodes and drops out mid-drive. Whether you are wiring an air compressor switch, terminating an ECU header or feeding a hardwired fuel pump, the parts in this Engine Components category are the pieces that make the connection reliable.

What ThreePiece stocks in wiring

This category currently holds 6 products from 3 brands: ARB, Haltech and Torque Solution. Prices run from $54 to $121, which is the live range for what is in stock right now rather than a fixed quote. ARB has the largest presence here, covering looms like the ARB Wiring Loom CKMA12/24 (180409) at the top of the range and the ARB Wiring Loom CKMTA Switch (180415) for their compressor switch circuit.

Haltech covers the connector side with the AMP 26 & 34 Pin Superseal Connector Set with plug and pins (HT-030001) and the smaller 16 Pin TYCO Plug & Pins (HT-030006). For a general-purpose install, the Torque Solution HD Weatherproof DIY Fuel Pump Hardwire Kit (universal) is a self-contained kit.

How to choose

Sort by what you are actually connecting. If you are running an ARB air system, buy the ARB loom that matches your compressor and switch setup so the pinout and plug are correct out of the box. If you are terminating a Haltech ECU or building a harness end, the Haltech connector sets ship as plug plus pins so you can crimp your own leads to length. If your goal is a clean, weatherproof power feed for a fuel pump, the Torque Solution hardwire kit is the plug-and-play route and avoids splicing into factory wiring. The spread between the $54 connector set and the $121 loom is mostly about how complete the assembly is: bare connectors cost less and need work, full looms cost more and drop straight in.

What else you need with it

Wiring rarely goes in alone. If you are hardwiring a pump, pair it with the right unit from Fuel Pumps, and confirm your power source over in Batteries. Plumbing an air or fuel system alongside the electrical work usually means a trip to Fittings and Adapters. Browse everything under the Engine Components section to build the full job in one order.

Fitment and ordering

These are largely universal and connector-based parts, so check that the pinout and plug match your ECU or accessory before you buy. Not sure? Call fitment help at 813-535-5801 or reach us through contact us. Every order ships with free shipping, and Affirm and Katapult financing is available at checkout.