Speedmaster®
Universal 21 Circuit Wiring Harness Kit Street Rod Hot Rod Race Car
Product Information
Overview
The Speedmaster universal 21 circuit harness can be used in any vehicle application. The ample wire lengths make this kit suited for everything including trucks with long beds and extra cabs. Applications available in 8, 12, 14, and 21 circuit harnesses. Will not directly plug into GM column but can be connected by individually connecting wires from harness to their respective circuits.
Specs
| Brand: | Speedmaster |
| Part Number: | PCE368.1013 |
| Part Type: | Wiring Harness |
| Circuit Quantity: | 21 |
| Harness Length: | Ample |
| Fuse Block Included: | Yes |
| Fuse Block Location: | Front |
| Fuse Style: | ATO/ATC |
| Quantity: | Sold as a kit |
| Notes: | EFI engines will need additional engine specific harness. |
Attachments
Description
The 21 circuit harnesses include power door locks, power windows, accessory plug, electric fuel pump, backup lights cruise control, electric choke, and power antenna.
Warranty Information
12-Month Limited Worldwide Warranty
Prop 65 Warning
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Installation Guide
Our AI assistant generates a step-by-step guide for this product — covering installation, maintenance, and troubleshooting.
This AI-generated guide is for general reference only and does not constitute official Speedmaster product documentation. Always verify fitment, torque specifications, and safety requirements before installation.