Wiring built for the way you drive.

From complete standalone harnesses to connector-level repairs, every Speed Scene Wiring job is built around your vehicle, your engine, and your finish line.

Explore services

The wiring work that keeps a project moving.

Service 01

Pro Wire Harness

Purpose-built standalone harnesses for dependable engine management and clean installs.

View pro wire harness details
  • Custom routing and branch lengths
  • Clearly labeled circuits
  • Built for serviceability
  • Configured for your GM powerplant
  • Supported engine types: TBI, TPI, LT1, LT4, LS1, LS6, L29BB, LR4, LM7, LQ4, LS2, LS3, and LS7

Service 02

Conversion Wiring

Make your engine swap feel factory-integrated, not pieced together.

View conversion wiring details
  • LS and late-model GM conversion support
  • Interface planning for gauges and chassis systems
  • Fuel pump, fan, and ignition integration
  • Clean handoff points for your build

Service 03

Wire Harness Mod

Repair, simplify, or rework an existing harness without starting from scratch.

View GM harness modification details
  • Circuit cleanup and rerouting
  • Unneeded circuit removal
  • Connector and terminal repair
  • Troubleshooting-minded modifications

Service 04

GM Connectors | Delphi Connectors

The right connector, terminal, seal, and fitment for a reliable electrical connection.

View GM connector index
  • GM and Delphi connector solutions
  • Replacement pigtails and terminals
  • Weather-sealed connection options
  • Guidance for matching existing systems

Service 05

Body Wiring

Bring the rest of the vehicle up to the same standard as the engine bay.

View body wiring details
  • Lighting and accessory circuits
  • Switch panels and relay integration
  • Chassis wiring cleanup
  • Custom wiring plans for project vehicles

How it works

A better way to wire a build.

01

Tell me about the build

Share your engine, vehicle, goals, and the wiring challenge in front of you.

02

Get a clear plan

I’ll identify the right service and the information needed to move forward.

03

Build with confidence

Your wiring is prepared with clean routing, dependable connections, and real-world serviceability in mind.

Ready to get your wiring sorted?

Start a build request and tell me what you’re working on.

Start a build request