Automotive Electrical Primary Wire

Explore our premium selection of Automotive Electrical Primary Wire featuring GPT thermoplastic insulation and 100% stranded bare copper for superior conductivity and flexibility. Available in 8 AWG to 20 AWG sizes, these low-voltage wires are ideal for automotive, truck, tractor, and general-purpose 60V systems. Each wire meets SAE J1128 standards and is rated for temperatures from -40°C to 80°C, ensuring performance in harsh environments. Wire is sold in 25 ft coils, 100 ft spools, and 500 ft spools for any project scale.

Available Colors: Black, Red, Blue, Green, Yellow, White, Brown, Gray, Orange, Purple, Pink, Tan, Dark Blue, and Dark Green.

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  • 10-20 Gauge Primary Wire Assortment (24) 100' Rolls & Wire Rack

    10-20 Gauge Primary Wire Assortment (24) 100' Rolls & Wire Rack

    The Best Source For Quality Electrical Primary Wire. Automotive Primary Wire Is The Most Commonly Used Wire For...

    $684.99 USD
    $684.99 USD
  • 14 Gauge Black Primary Wire - 25 FT
    14 Gauge Yellow Primary Wire - 25 FT
    14 Gauge White Primary Wire - 25 FT
    14 Gauge Tan Primary Wire - 25 FT
    14 Gauge Red Primary Wire - 25 FT
    14 Gauge Purple Primary Wire - 25 FT
    14 Gauge Pink Primary Wire - 25 FT
    14 Gauge Orange Primary Wire - 25 FT
    14 Gauge Gray Primary Wire - 25 FT
    14 Gauge Green Primary Wire - 25 FT
    14 Gauge Dark Green Primary Wire - 25 FT
    14 Gauge Dark Blue Primary Wire - 25 FT
    14 Gauge Brown Primary Wire - 25 FT
    14 Gauge Blue Primary Wire - 25 FT
    14 Gauge Tan Primary Wire - 100 FT
    14 Gauge Dark Green Primary Wire - 100 FT
    14 Gauge Dark Blue Primary Wire - 100 FT
    14 Gauge Yellow Primary Wire - 100 FT
    14 Gauge White Primary Wire - 100 FT
    14 Gauge Red Primary Wire - 100 FT
    14 Gauge Purple Primary Wire - 100 FT
    14 Gauge Pink Primary Wire - 100 FT
    14 Gauge Orange Primary Wire - 100 FT
    14 Gauge Gray Primary Wire - 100 FT
    14 Gauge Green Primary Wire - 100 FT
    14 Gauge Brown Primary Wire - 100 FT
    14 Gauge Blue Primary Wire - 100 FT
    14 Gauge Black Primary Wire - 100 FT
    14 Gauge Tan Primary Wire - 500 FT
    14 Gauge Dark Green Primary Wire - 500 FT
    14 Gauge Dark Blue Primary Wire - 500 FT
    14 Gauge Yellow Primary Wire - 500 FT
    14 Gauge White Primary Wire - 500 FT
    14 Gauge Red Primary Wire - 500 FT
    14 Gauge Purple Primary Wire - 500 FT
    14 Gauge Pink Primary Wire - 500 FT
    14 Gauge Orange Primary Wire - 500 FT
    14 Gauge Gray Primary Wire - 500 FT
    14 Gauge Green Primary Wire - 500 FT
    14 Gauge Brown Primary Wire - 500 FT
    14 Gauge Blue Primary Wire - 500 FT
    14 Gauge Black Primary Wire - 500 FT

    14 Gauge GPT Primary Wire - Stranded Copper Automotive Wire - 25 ft to 500 ft - Made in USA

    This 14 AWG GPT primary wire is constructed with stranded annealed copper and insulated using general-purpose thermoplastic, making...

    $10.49 USD
    $10.49 USD
  • 16 Gauge Black Primary Wire - 25 FT
    16 Gauge Yellow Primary Wire - 25 FT
    16 Gauge White Primary Wire - 25 FT
    16 Gauge Tan Primary Wire - 25 FT
    16 Gauge Red Primary Wire - 25 FT
    16 Gauge Purple Primary Wire - 25 FT
    16 Gauge Pink Primary Wire - 25 FT
    16 Gauge Orange Primary Wire - 25 FT
    16 Gauge Gray Primary Wire - 25 FT
    16 Gauge Green Primary Wire - 25 FT
    16 Gauge Dark Green Primary Wire - 25 FT
    16 Gauge Dark Blue Primary Wire - 25 FT
    16 Gauge Brown Primary Wire - 25 FT
    16 Gauge Blue Primary Wire - 25 FT
    16 Gauge Tan Primary Wire - 100 FT
    16 Gauge Dark Green Primary Wire - 100 FT
    16 Gauge Dark Blue Primary Wire - 100 FT
    16 Gauge Yellow Primary Wire - 100 FT
    16 Gauge White Primary Wire - 100 FT
    16 Gauge Red Primary Wire - 100 FT
    16 Gauge Purple Primary Wire - 100 FT
    16 Gauge Pink Primary Wire - 100 FT
    16 Gauge Orange Primary Wire - 100 FT
    16 Gauge Grey Primary Wire - 100 FT
    16 Gauge Green Primary Wire - 100 FT
    16 Gauge Brown Primary Wire - 100 FT
    16 Gauge Blue Primary Wire - 100 FT
    16 Gauge Black Primary Wire - 100 FT
    16 Gauge Tan Primary Wire - 500 FT
    16 Gauge Dark Green Primary Wire - 500 FT
    16 Gauge Dark Blue Primary Wire - 500 FT
    16 Gauge Yellow Primary Wire - 500 FT
    16 Gauge White Primary Wire - 500 FT
    16 Gauge Red Primary Wire - 500 FT
    16 Gauge Purple Primary Wire - 500 FT
    16 Gauge Pink Primary Wire - 500 FT
    16 Gauge Orange Primary Wire - 500 FT
    16 Gauge Gray Primary Wire - 500 FT
    16 Gauge Green Primary Wire - 500 FT
    16 Gauge Brown Primary Wire - 500 FT
    16 Gauge Blue Primary Wire - 500 FT
    16 Gauge Black Primary Wire - 500 FT

    16 AWG Primary Wire - GPT Insulated Copper Automotive Wire - SAE J1128 Compliant - 25 ft to 500 ft - Made in USA

    This 16 AWG primary wire is designed for automotive and general-purpose low-voltage applications, including wiring harnesses, electronics, and...

    $7.99 USD
    $7.99 USD
  • 12 Gauge Black Primary Wire - 25 FT
    12 Gauge Yellow Primary Wire - 25 FT
    12 Gauge White Primary Wire - 25 FT
    12 Gauge Tan Primary Wire - 25 FT
    12 Gauge Red Primary Wire - 25 FT
    12 Gauge Purple Primary Wire - 25 FT
    12 Gauge Pink Primary Wire - 25 FT
    12 Gauge Orange Primary Wire - 25 FT
    12 Gauge Gray Primary Wire - 25 FT
    12 Gauge Green Primary Wire - 25 FT
    12 Gauge Dark Green Primary Wire - 25 FT
    12 Gauge Dark Blue Primary Wire - 25 FT
    12 Gauge Brown Primary Wire - 25 FT
    12 Gauge Blue Primary Wire - 25 FT
    12 Gauge Tan Primary Wire - 100 FT
    12 Gauge Dark Green Primary Wire - 100 FT
    12 Gauge Dark Blue Primary Wire - 100 FT
    12 Gauge Yellow Primary Wire - 100 FT
    12 Gauge White Primary Wire - 100 FT
    12 Gauge Red Primary Wire - 100 FT
    12 Gauge Purple Primary Wire - 100 FT
    12 Gauge Pink Primary Wire - 100 FT
    12 Gauge Orange Primary Wire - 100 FT
    12 Gauge Gray Primary Wire - 100 FT
    12 Gauge Green Primary Wire - 100 FT
    12 Gauge Brown Primary Wire - 100 FT
    12 Gauge Blue Primary Wire - 100 FT
    12 Gauge Black Primary Wire - 100 FT
    12 Gauge Tan Primary Wire - 500 FT
    12 Gauge Dark Green Primary Wire - 500 FT
    12 Gauge Dark Blue Primary Wire - 500 FT
    12 Gauge Yellow Primary Wire - 500 FT
    12 Gauge White Primary Wire - 500 FT
    12 Gauge Red Primary Wire - 500 FT
    12 Gauge Purple Primary Wire - 500 FT
    12 Gauge Pink Primary Wire - 500 FT
    12 Gauge Orange Primary Wire - 500 FT
    12 Gauge Gray Primary Wire - 500 FT
    12 Gauge Green Primary Wire - 500 FT
    12 Gauge Brown Primary Wire - 500 FT
    12 Gauge Blue Primary Wire - 500 FT
    12 Gauge Black Primary Wire - 500 FT

    12 Gauge Primary Wire - Stranded Copper - Automotive Low Voltage - 25 ft to 500 ft - Made in USA

    Primary Wire for Automobiles and Electronic Projects. Gauge - 12 Gauge Outside Diamater - .145" Stranding - 19...

    $13.49 USD
    $13.49 USD
  • Gray Heavy Duty Steel Wire Spool Rack

    Gray Heavy Duty Steel Wire Spool Rack

    Constructed of heavy-duty steel, painted powder grey • Mounting brackets included for safety and functionality • Can be...

    $164.99 USD
    $164.99 USD
  • 10 Gauge Black Primary Wire - 25 FT
    10 Gauge Black Primary Wire - 25 FT
    10 Gauge Yellow Primary Wire - 25 FT
    10 Gauge White Primary Wire - 25 FT
    10 Gauge Tan Primary Wire - 25 FT
    10 Gauge Red Primary Wire - 25 FT
    10 Gauge Purple Primary Wire - 25 FT
    10 Gauge Pink Primary Wire - 25 FT
    10 Gauge Orange Primary Wire - 25 FT
    10 Gauge Gray Primary Wire - 25 FT
    10 Gauge Green Primary Wire - 25 FT
    10 Gauge Dark Green Primary Wire - 25 FT
    10 Gauge Dark Blue Primary Wire - 25 FT
    10 Gauge Brown Primary Wire - 25 FT
    10 Gauge Blue Primary Wire - 25 FT
    10 Gauge Blue Primary Wire - 100 FT
    10 Gauge Tan Primary Wire - 500 FT
    10 Gauge Dark Green Primary Wire - 500 FT
    10 Gauge Dark Blue Primary Wire - 500 FT
    10 Gauge Yellow Primary Wire - 500 FT
    10 Gauge White Primary Wire - 500 FT
    10 Gauge Red Primary Wire - 500 FT
    10 Gauge Purple Primary Wire - 500 FT
    10 Gauge Pink Primary Wire - 500 FT
    10 Gauge Orange Primary Wire - 500 FT
    10 Gauge Gray Primary Wire - 500 FT
    10 Gauge Green Primary Wire - 500 FT
    10 Gauge Brown Primary Wire - 500 FT
    10 Gauge Blue Primary Wire - 500 FT
    10 Gauge Black Primary Wire - 500 FT
    10 Gauge Tan Primary Wire - 100 FT
    10 Gauge Dark Green Primary Wire - 100 FT
    10 Gauge Dark Blue Primary Wire - 100 FT
    10 Gauge Yellow Primary Wire - 100 FT
    10 Gauge White Primary Wire - 100 FT
    10 Gauge Red Primary Wire - 100 FT
    10 Gauge Purple Primary Wire - 100 FT
    10 Gauge Pink Primary Wire - 100 FT
    10 Gauge Orange Primary Wire - 100 FT
    10 Gauge Gray Primary Wire - 100 FT
    10 Gauge Green Primary Wire - 100 FT
    10 Gauge Brown Primary Wire - 100 FT
    10 Gauge Black Primary Wire - 100 FT

    10 Gauge Primary Wire - GPT Copper Automotive Wire - 25 ft to 500 ft

    This 10 AWG primary wire is constructed from high-quality stranded, annealed bare copper and insulated with general-purpose thermoplastic...

    $16.99 USD
    $16.99 USD
  • 18 Gauge Black Primary Wire - 25 FT
    18 Gauge Yellow Primary Wire - 25 FT
    18 Gauge White Primary Wire - 25 FT
    18 Gauge Tan Primary Wire - 25 FT
    18 Gauge Red Primary Wire - 25 FT
    18 Gauge Purple Primary Wire - 25 FT
    18 Gauge Pink Primary Wire - 25 FT
    18 Gauge Orange Primary Wire - 25 FT
    18 Gauge Gray Primary Wire - 25 FT
    18 Gauge Green Primary Wire - 25 FT
    18 Gauge Dark Green Primary Wire - 25 FT
    18 Gauge Dark Blue Primary Wire - 25 FT
    18 Gauge Brown Primary Wire - 25 FT
    18 Gauge Blue Primary Wire - 25 FT
    18 Gauge Tan Primary Wire - 500 FT
    18 Gauge Dark Green Primary Wire - 500 FT
    18 Gauge Dark Blue Primary Wire - 500 FT
    18 Gauge Yellow Primary Wire - 500 FT
    18 Gauge White Primary Wire - 500 FT
    18 Gauge Red Primary Wire - 500 FT
    18 Gauge Purple Primary Wire - 500 FT
    18 Gauge Pink Primary Wire - 500 FT
    18 Gauge Orange Primary Wire - 500 FT
    18 Gauge Gray Primary Wire - 500 FT
    18 Gauge Green Primary Wire - 500 FT
    18 Gauge Brown Primary Wire - 500 FT
    18 Gauge Blue Primary Wire - 500 FT
    18 Gauge Black Primary Wire - 500 FT
    18 Gauge Tan Primary Wire - 100 FT
    18 Gauge Dark Green Primary Wire - 100 FT
    18 Gauge Dark Blue Primary Wire - 100 FT
    18 Gauge Yellow Primary Wire - 100 FT
    18 Gauge White Primary Wire - 100 FT
    18 Gauge Red Primary Wire - 100 FT
    18 Gauge Purple Primary Wire - 100 FT
    18 Gauge Pink Primary Wire - 100 FT
    18 Gauge Orange Primary Wire - 100 FT
    18 Gauge Gray Primary Wire - 100 FT
    18 Gauge Green Primary Wire - 100 FT
    18 Gauge Brown Primary Wire - 100 FT
    18 Gauge Blue Primary Wire - 100 FT
    18 Gauge Black Primary Wire - 100 FT

    18 AWG GPT Primary Wire - Stranded Copper - Automotive Low Voltage - 25 ft to 500 ft - Made in USA

    This 18 AWG GPT primary wire is designed for use in automotive, trailer, and low-voltage electrical systems. Made...

    $5.99 USD
    $5.99 USD
  • 25 Total Coils - Primary Wire Assortment - 5 Colors Each Gauge - 25 Ft. Each

    25 Total Coils - Primary Wire Assortment - 5 Colors Each Gauge - 25 Ft. Each

    10 Gauge - 5 Coils - 25 Ft/Each 12 Gauge - 5 Coils - 25 Ft/Each 14 Gauge...

    $200.49 USD
    $200.49 USD
  • 20 Gauge Black Primary Wire - 25 FT
    20 Gauge Yellow Primary Wire - 25 FT
    20 Gauge White Primary Wire - 25 FT
    20 Gauge Red Primary Wire - 25 FT
    20 Gauge Green Primary Wire - 25 FT
    20 Gauge Brown Primary Wire - 25 FT
    20 Gauge Blue Primary Wire - 25 FT
    20 Gauge Yellow Primary Wire - 100 FT
    20 Gauge White Primary Wire - 100 FT
    20 Gauge Red Primary Wire - 100 FT
    20 Gauge Green Primary Wire - 100 FT
    20 Gauge Brown Primary Wire - 100 FT
    20 Gauge Blue Primary Wire - 100 FT
    20 Gauge Black Primary Wire - 100 FT

    20 AWG Primary Wire – GPT Stranded Copper Automotive Wire – 25ft or 100ft – Made in USA

    This 20 AWG GPT primary wire is built with 100% stranded annealed copper and insulated with durable thermoplastic...

    $5.49 USD
    $5.49 USD
  • (5) Spools 16 Gauge Wire 100 FT Primary AWG - Red Black White Blue Yellow - USA

    (5) Spools 16 Gauge Wire 100 FT Primary AWG - Red Black White Blue Yellow - USA

    Untitled Document Assortment includes 5 rolls, 100ft each in 5 colors: 16 GAUGE PRIMARY WIRE   BLACK (1) 100'...

    $95.99 USD
    $95.99 USD
  • (5) Spools 14 Gauge Wire 100 FT Primary AWG - Red Black White Blue Yellow - USA

    (5) Spools 14 Gauge Wire 100 FT Primary AWG - Red Black White Blue Yellow - USA

    Untitled Document Assortment includes 5 rolls, 100ft each in 5 colors: 14 GAUGE PRIMARY WIRE   BLACK (1) 100'...

    $130.49 USD
    $130.49 USD
  • (5) Spools 18 Gauge Wire 100 FT Primary AWG - Red Black White Blue Yellow - USA

    (5) Spools 18 Gauge Wire 100 FT Primary AWG - Red Black White Blue Yellow - USA

    Untitled Document Assortment includes 5 rolls, 100ft each in 5 colors: 18 GAUGE PRIMARY WIRE   BLACK (1) 100'...

    $72.99 USD
    $72.99 USD
  • 8 Gauge Primary Wire

    8 Gauge Primary Wire - Stranded Copper - Automotive Low Voltage - 25 ft to 500 ft - Made in USA

    Electrical & Automotive Primary Wire Gauge - 8 Gauge Outside Diamater - .231" Stranding - 6 x .024",...

    $27.49 USD
    $27.49 USD
  • (5) Spools 20 Gauge Wire 100 FT Primary AWG - Red Black White Blue Yellow - USA

    (5) Spools 20 Gauge Wire 100 FT Primary AWG - Red Black White Blue Yellow - USA

    Untitled Document Assortment includes 5 rolls, 100ft each in 5 colors: 20 GAUGE PRIMARY WIRE   BLACK (1) 100'...

    $66.49 USD
    $66.49 USD
  • 22 Gauge White Primary Wire - 25 FT

    22 Gauge Primary Wire - White - 25 ft to 500 ft

    22 GA All Copper 80° Primary Wire - White 25 ft

    $5.95 USD
    $5.95 USD
  • (5) Spools 12 Gauge Wire 100 FT Primary AWG - Red Black White Blue Yellow - USA

    (5) Spools 12 Gauge Wire 100 FT Primary AWG - Red Black White Blue Yellow - USA

    Untitled Document Assortment includes 5 rolls, 100ft each in 5 colors: 12 GAUGE PRIMARY WIRE   BLACK (1) 100'...

    $191.99 USD
    $191.99 USD
  • WIRE, PRIMARY SXL 12 GA 100' 125 RED

    WIRE, PRIMARY SXL 12 GA 100' 125 RED

    SXL CROSS-LINKED POLYETHYLENE WIRE - RATED 125°C Special-purpose high temperature (up to 125°C or 257°F)automotive wire. Abrasion-resistant design...

    $58.49 USD
    $58.49 USD
  • 22 Gauge Purple Primary Wire - 25 FT

    22 Gauge Primary Wire - Purple - 25 ft - 500 ft

    22 GA All Copper 80° Primary Wire - Purple 25 ft

    $5.95 USD
    $5.95 USD
  • 2 Pack of Automotive Primary Wire 10 Gauge 10 FT - Yellow

    2 Pack of Automotive Primary Wire 10 Gauge 10 FT - Yellow

    Product Details - Choose Size and Color from Drop Down. Stranded annealed, single conductor copper wire. General purpose...

    $12.95 USD
    $12.95 USD
  • 2 Pack of Automotive Primary Wire 10 Gauge 10 FT - Green

    2 Pack of Automotive Primary Wire 10 Gauge 10 FT - Green

    Product Details - Choose Size and Color from Drop Down. Stranded annealed, single conductor copper wire. General purpose...

    $12.95 USD
    $12.95 USD
  • 2 Pack of Automotive Primary Wire 16 Gauge 28 FT - Red

    2 Pack of Automotive Primary Wire 16 Gauge 28 FT - Red

    2 Pack of Automotive Primary Wire 16 Gauge 28 FT - Red

    $16.99 USD
    $16.99 USD
  • 2 Pack of Automotive Primary Wire 10 Gauge 10 FT - Black

    2 Pack of Automotive Primary Wire 10 Gauge 10 FT - Black

    2 Pack of Automotive Primary Wire 10 Gauge 10 FT - Black

    $12.95 USD
    $12.95 USD
  • 5 Spools Total of Black 100 FT. Automotive Electrical Primary Wire - 10 to 18 AWG Gauge

    5 Spools Total of Black 100 FT. Automotive Electrical Primary Wire - 10 to 18 AWG Gauge

    The Best Source For Quality Electrical Primary Wire. Automotive Primary Wire Is The Most Commonly Used Wire For...

    $159.99 USD
    $159.99 USD
  • 5 Spools Total of Red 100 FT. Automotive Electrical Primary Wire - 10 to 18 AWG Gauge

    5 Spools Total of Red 100 FT. Automotive Electrical Primary Wire - 10 to 18 AWG Gauge

    The Best Source For Quality Electrical Primary Wire. Automotive Primary Wire Is The Most Commonly Used Wire For...

    $159.99 USD
    $159.99 USD