Prototype & MIL-Spec Harnesses
Custom electrical harnesses built from drawings, sketches, and system requirements for prototype and low-volume applications.
Southeastern Michigan · Prototype to integration
Engineering support
when deadlines
matter.
Prototype & Engineering Harness Solutions
Electrical interconnect solutions for demanding environments, evolving requirements, and aggressive schedules.
Defense · Automotive · Aerospace
RESPONSIVE
Rapid turnaround
Practical support when schedules are tight.
COLLABORATIVE
Engineering focused
From initial requirements to final integration.
TECHNICAL
MIL-spec expertise
Cables, connectors, and demanding applications.
FLEXIBLE
Low-volume specialists
Built around prototypes and evolving programs.
Our capabilities
Complex requirements.
Practical solutions.
From a single cable modification to a complete prototype assembly, get hands-on support where your program needs it.
Cable Rework
& Repair
Connector replacements, cable modifications, troubleshooting, and repairs that help keep development moving.
COTS & Custom
Cable Integration
Adapt commercial components and custom assemblies to your electrical interfaces and system requirements.
Vehicle & Electrical Integration
On-vehicle wiring, LRU installation, connector changes, and vehicle electrical system troubleshooting.
Custom Boxes
& PCB Assembly
Breakout boxes, custom electrical assemblies, small-volume PCB builds, soldering, rework, and repair.
Engineering
& Field Support
Design assistance, Level 1 cable drawings, and field support. Continuity, resistance, and functional verification, plus HiPot testing when required.
Industries we support
Built for demanding environments.
Defense
Electrical interconnect and integration support for military ground vehicle programs and defense engineering teams.
Automotive
Prototype vehicle wiring and electrical integration for development and advanced automotive applications.
Aerospace
Prototype cable assemblies and interconnect support for aerospace and aviation engineering programs.
R&D
Flexible, hands-on assembly support to take a concept from the bench into a working system.
Why Sparks
A hands-on partner.
From the first connection.
Sparks Electronics supports engineering teams with prototype and low-volume electrical solutions in Southeastern Michigan.
We focus on the work between a requirement and a functioning system: component selection, fabrication, modification, testing, and integration. Practical engineering support, without the overhead of a large production house.
How we work
Support at every step.
Requirements
Start with your sketches, ICDs, drawings, existing cables, or system requirements.
Design & Build
Prototype drawings, component selection, fabrication, modification, and assembly.
Test & Verify
Continuity, resistance, functional verification, and HiPot testing when required.
Deliver & Support
Delivery, on-site integration, troubleshooting, rework, and field support.
Let’s build your next project
Have a deadline?
Start the conversation.
Share what you’re building, the support you need, and your target schedule.
Prepare your quote request
Send us these details to get started today:
- Drawing, sketch, or assembly description
- Prototype or production quantity
- Required testing and documentation
- Target delivery date