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Download practical wiring reference guides from 12Volt Motorsports. These resources are designed to help with motorsport wiring, custom harness builds, ECU wiring, power distribution, heatshrink selection, sensor setup and general automotive electrical planning.
12Volt Motorsports is based in Altona Meadows, Melbourne and supplies motorsport wiring products Australia-wide.
Use these guides when choosing Souriau 8STA connectors, checking Autosport connector cross-references, comparing Deutsch Autosport and Souriau 8STA parts, and planning professional motorsport harness connector layouts.
The Souriau 8STA buyer’s guide explains the 8STA connector range, shell sizes, contact layouts, connector styles, tooling, compatibility notes and common motorsport wiring uses.
Read the Souriau 8STA Connectors Buyer’s Guide
Use the Souriau / Autosport Cross Reference Tool
Step-by-step installation guides for 12Volt Motorsports VL Commodore products, including fusebox relocation kit installation and general wiring guidance.
View the VL Commodore Fusebox Relocation Kit Installation Guide
Use these guides when selecting M22759/32 Tefzel wire for ECU wiring, sensor wiring, CAN wiring, injector wiring, ignition wiring, PDM outputs and custom harness builds.
The full Tefzel wire size guide explains common AWG sizes, typical motorsport wiring uses, M22759/32 colour codes, and how to choose the right wire size for ECU, sensor, CAN bus and power circuits.
Read the Full Tefzel Wire Size Guide
Download the Tefzel Wire Size, Colour and Ampacity Chart
Use these guides when choosing Raychem DR25 heatshrink size for motorsport harness sleeving, engine bay wiring, ECU harness branches and main harness trunk sections.
The full Raychem DR25 size guide explains supplied ID, recovered ID, shrink ratio, common motorsport harness uses, and how to choose the correct DR25 size for wire bundles and branch sections.
Read the Full Raychem DR25 Size Guide
Download the Raychem DR25 Size Guide
Use these guides when choosing heatshrink and harness protection products for professional motorsport wiring, including Raychem DR25, Sumitomo W5DL and Raychem ATUM.
The full heatshrink selection guide explains when to use DR25 for outer harness sleeving, W5DL for SCL-style adhesive-lined sealing and strain relief, and ATUM for adhesive-lined sealing, repairs and moisture protection.
Read the Full Heatshrink Selection Guide
Download the Heatshrink Selection Guide
Use these guides when planning battery cable, starter cable, alternator charge cable, main power feeds, PDM feeds and high-current automotive wiring circuits.
The full battery cable size guide explains how to choose cable size for starter motors, alternator charge cables, battery relocation, PDM main feeds, earth cables, voltage drop and circuit protection.
Read the Full Battery Cable Size Guide
Download the Battery Cable Size Guide
Use these guides when choosing and wiring pressure sensors for oil pressure, fuel pressure, boost pressure, coolant pressure, brake pressure and aftermarket ECU sensor inputs.
The full pressure sensor reference guide explains common pressure sensor types, 3-wire sensor wiring, 5V supply, sensor ground, 0.5–4.5V signal wiring, ECU calibration and common pressure ranges.
Read the Full Pressure Sensor Reference Guide
Download the Pressure Sensor Reference Chart
Use these guides when planning a motorsport wiring harness. It covers common harness materials including Tefzel wire, Raychem DR25, Sumitomo W5DL, Raychem ATUM, connectors, labels, terminals, splices and wiring documentation.
The full motorsport harness materials checklist explains what materials are commonly used in professional harness builds, including wire, sleeving, heatshrink, connectors, terminals, splices, labels, lugs and documentation.
Read the Full Motorsport Harness Materials Checklist
Download the Motorsport Harness Materials Checklist
If you are unsure what wire size, DR25 size, heatshrink, connector, sensor or wiring product you need, contact 12Volt Motorsports before ordering.
Call 0458 102 134 or email 12voltmotorsports@gmail.com.
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