Motormite 85738 Yellow 18 Gauge Automotive Primary Wire 40 ft

Motormite (Dorman) 85738 is an 18 AWG yellow primary wire supplied on a card in a convenient 40-foot length. Designed for automotive electrical repairs, accessory installations, and custom wiring projects, this stranded copper wire delivers reliable conductivity in a wide range of 12-volt vehicle applications.

The flexible PVC insulation protects against corrosion, moisture, abrasion, and heat, making it well-suited for use throughout the engine bay, interior, and chassis. The wire is manufactured to industry-standard 18 AWG sizing for consistent, accurate stripping and termination. It is rated for use in low-voltage surface vehicle electrical systems up to 60V DC / 25V AC, in compliance with SAE J1128 standards.

Key Features:

• 18 AWG (18 gauge) stranded copper conductor
• Yellow PVC insulation for color-coded circuit identification
• 40-foot length — ideal for repairs without buying bulk spools
• Rated for up to 60V DC / 25V AC low-voltage applications
• Flexible stranded construction for easy routing and installation
• Meets SAE J1128 low-voltage primary cable standard
• Industry-standard gauge sizing for accurate stripping and trimming

This primary wire is a go-to solution for DIY and professional automotive electrical work, including lighting circuits, accessory wiring, trailer connections, and general harness repairs. The yellow color coding aids in circuit identification during installation and future servicing.

⚠ California Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.