1966 GMC 2500 Engine Wiring Harnesses

32 products fit your

1966 GMC 2500

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1966 GMC 2500

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Painless Wiring |

#91060218

Painless Wiring 60218 99-06 GM Gen III 4.8/5.3/6.0L EFI Harness

Injection Style:

Sequential multi-port

Reluctor Wheel:

24x

Drive-By-Wire Capable:

$659.99

/each

PSI Conversion |

#25800006

PSI Conversion Multec LS Truck Injector Adaptor

Sold in Quantity:

Each

as low as

$80.00

/each

Painless Wiring |

#91060511

Painless Wiring 60511 86–95 5.0L Fuel Injection Wiring Harness

(1)

Injection Style:

Multi-port

Drive-By-Wire Capable:

Injector Connector:

Jetronic / Minitimer (EV1)

$619.99

/each

PSI Conversion |

#25800480

PSI Conversion HAR-4L80-1 Adaptor, 13 Pin 4L60-75E to 4L80E

Sold in Quantity:

Each

$115.00

/each

Speedway 2004-2008 Vortec V8 Wiring Harness

Speedway Motors |

#91004080

Speedway 2004-2008 Vortec V8 Wiring Harness

Sold in Quantity:

Each

$744.99

/each

Universal Wiring Harness Instructions - Installation

A guide on how to install a universal wiring harness in a car. Read tips on properly wiring taillights, headlights, gauges, ignition switch, steering column and more.

Wiring Harnesses for a 1929 Ford

In this Tech Tip, a returning customer asks for advice on wiring harnesses for his ’29 Ford roadster project.

Speedway Economy 12 Circuit Wiring Harness

In this Tech Tip, John answers a customer question about the Speedway 12 Circuit Wiring Harness.

Corey's 1966 Nova SS

A modern heartbeat with classic vibes gives Corey Petska's 1966 Nova SS a second chance around.

Installing a Transmission Crossmember - 1967 Chevelle

Learn about the G Force crossmember and how the symmetrical product design makes for a smooth installation on Jeff's 1967 Chevelle.

1966 Chevelle

Sometimes, a simple paint job can cause a project to spiral out of control. In the case of Steve's '66 Chevelle, it came out way better than anyone expected.

Speedway 1999-2003 Vortec V8 Wiring Harness

Speedway Motors |

#91009903

Speedway 1999-2003 Vortec V8 Wiring Harness

(2)

Sold in Quantity:

Each

$612.99

/each

Speedway 2007-2008 LS2/LS3/LS7 Engine Wiring Harness

Speedway Motors |

#91007008

Speedway 2007-2008 LS2/LS3/LS7 Engine Wiring Harness

$663.99

/each

Speedway Motors |

#289WH1210

Speedway Motors LS1/T56 Drive By Wire Harness

Injection Style:

Multi-port

Sold in Quantity:

Each

$345.99

/each

Speedway 1994-1997 LT1 Engine Wiring Harness

Speedway Motors |

#91009497

Speedway 1994-1997 LT1 Engine Wiring Harness

(4)

$627.99

/each

Speedway 1999-04 Corvette LS Conversion Wiring Harness

Speedway Motors |

#91009904

Speedway 1999-04 Corvette LS Conversion Wiring Harness

$643.99

/each

Speedway GM Engine Wiring Harness, 1999-02 LS1

Speedway Motors |

#91099021

Speedway GM Engine Wiring Harness, 1999-02 LS1

(1)

Sold in Quantity:

Each

$675.99

/each

-7%

Holley |

#425558104

Holley 558-104 Universal MPFI Main Harness

GTIN Code:

090127666746

$571.95

/each

$618.95

-7%

Holley |

#425558105

Holley 558-105 Unterminated Universal Main Harness

GTIN Code:

090127666753

$571.95

/each

$618.95

-8%

Holley |

#425558131

Holley 558-131 Gen III Hemi VVT Harness, for Terminator X Systems

Sold in Quantity:

Each

GTIN Code:

090127104439

$133.95

/kit

$145.95

$182 Off

Holley |

#425558510

Holley 558-510 Ford Coyote Ti-VCT Harness Kit

GTIN Code:

090127030288

$1,899.95

/each

$2,081.95

Speedway 2004-2008 Vortec V8 Wiring Harness, Extended

Speedway Motors |

#91004084

Speedway 2004-2008 Vortec V8 Wiring Harness, Extended

Type:

Engine wiring harness, extended length for 2004-2008 Vortec V8 with electronic throttle body

Sold in Quantity:

Each

$707.99

/each

-7%

Holley |

#425558132

Holley 558-132 Gen III Hemi VVT/SRV Harness, for Term X Systems

Sold in Quantity:

Each

GTIN Code:

090127104453

$173.95

/kit

$188.95

Speedway Motors |

#289WH1201

Speedway Motors LS1/4L60E Drive By Cable Harness

(5)

Injection Style:

Multi-port

Sold in Quantity:

Each

$449.99

/each

PSI Conversion |

#25800482

PSI Conversion HAR-4L80-2 Adaptor, 15 Pin 4L60-75E to 4L80E

Sold in Quantity:

Each

$115.00

/each

Painless Wiring |

#91064035

Painless Wiring 60101 86-93 GM 4.3L, 5.0,5.7 & 7.4L V8 Harness

(1)

Injection Style:

Throttle Body

Drive-By-Wire Capable:

$424.99

/each

Speedway 1990-1992 Tuned Port Speed Density Engine Harness

Speedway Motors |

#91000990

Speedway 1990-1992 Tuned Port Speed Density Engine Harness

(4)

Sold in Quantity:

Each

$328.99

/each

Speedway 1999-2003 Vortec V8 Wiring Harness, Extended

Speedway Motors |

#91099034

Speedway 1999-2003 Vortec V8 Wiring Harness, Extended

(3)

Sold in Quantity:

Each

$623.99

/each

Speedway Motors |

#289WH1200

Speedway Motors LS1/T56 Drive By Cable Harness

(1)

Injection Style:

Multi-port

Sold in Quantity:

Each

$432.99

/each

-7%

Holley |

#425558101

Holley 558-101 TPI/Stealth Ram Main Harness

GTIN Code:

090127666715

$675.95

/each

$731.95

-7%

Holley |

#425558103

Holley 558-103 LS Engine Main Harness 58x/4x HP & Dominator EFI

GTIN Code:

090127666739

$675.95

/each

$731.95

Speedway 1999-2002 LS1 Engine Wiring Harness, Extended

Speedway Motors |

#91099024

Speedway 1999-2002 LS1 Engine Wiring Harness, Extended

(1)

Type:

Extended LS1 engine wiring harness for 1999-2002 GM LS1 engines

Sold in Quantity:

Each

$707.99

/each

FiTech |

#521383026

FiTech 38302-6 Ultra Ram Big Block Chevy, Engine Harness

GTIN Code:

812061036344

$469.00

/each

Speedway 1985-1992 GM TBI Engine EFI Wiring Harness

Speedway Motors |

#91008592

Speedway 1985-1992 GM TBI Engine EFI Wiring Harness

(15)

$396.99

/each

Painless Wiring |

#91060508

Painless Wiring 60508 1998-2004 GM LS1/LS6 EFI Harness

(4)

Injection Style:

Throttle Body

Reluctor Wheel:

24x

Drive-By-Wire Capable:

$569.99

/each

-7%

Holley |

#425558102

Holley 558-102 LS1 Main Harness for HP EFI & Dominator EFI

GTIN Code:

090127666722

$675.95

/each

$731.95

Painless Wiring |

#91060217

Painless Wiring 60217 99-06 GM Gen III 4.8/5.3/6.0L EFI Harness

(4)

Injection Style:

Sequential multi-port

Reluctor Wheel:

24x

Drive-By-Wire Capable:

$624.99

/each

FiTech |

#521700503

FiTech 70050-3 Fuel Injection FiTech Primary LS Wiring Harness

GTIN Code:

812061031851

$456.00

/each

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1966 GMC 2500 Engine Wiring Harnesses

Reluctor Wheel

Brand

Transmission Family

Availability

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Engine Family

Price

Customer Rating

Products

Painless Wiring 60218 99-06 GM Gen III 4.8/5.3/6.0L EFI Harness

PSI Conversion Multec LS Truck Injector Adaptor

Painless Wiring 60511 86–95 5.0L Fuel Injection Wiring Harness

PSI Conversion HAR-4L80-1 Adaptor, 13 Pin 4L60-75E to 4L80E

Speedway 2004-2008 Vortec V8 Wiring Harness

Related Articles

Speedway 1999-2003 Vortec V8 Wiring Harness

Speedway 2007-2008 LS2/LS3/LS7 Engine Wiring Harness

Speedway Motors LS1/T56 Drive By Wire Harness

Speedway 1994-1997 LT1 Engine Wiring Harness

Speedway 1999-04 Corvette LS Conversion Wiring Harness

Speedway GM Engine Wiring Harness, 1999-02 LS1

Holley 558-104 Universal MPFI Main Harness

Holley 558-105 Unterminated Universal Main Harness

Holley 558-131 Gen III Hemi VVT Harness, for Terminator X Systems

Holley 558-510 Ford Coyote Ti-VCT Harness Kit

Speedway 2004-2008 Vortec V8 Wiring Harness, Extended

Holley 558-132 Gen III Hemi VVT/SRV Harness, for Term X Systems

Speedway Motors LS1/4L60E Drive By Cable Harness

PSI Conversion HAR-4L80-2 Adaptor, 15 Pin 4L60-75E to 4L80E

Painless Wiring 60101 86-93 GM 4.3L, 5.0,5.7 & 7.4L V8 Harness

Speedway 1990-1992 Tuned Port Speed Density Engine Harness

Speedway 1999-2003 Vortec V8 Wiring Harness, Extended

Speedway Motors LS1/T56 Drive By Cable Harness

Holley 558-101 TPI/Stealth Ram Main Harness

Holley 558-103 LS Engine Main Harness 58x/4x HP & Dominator EFI

Speedway 1999-2002 LS1 Engine Wiring Harness, Extended

FiTech 38302-6 Ultra Ram Big Block Chevy, Engine Harness

Speedway 1985-1992 GM TBI Engine EFI Wiring Harness

Painless Wiring 60508 1998-2004 GM LS1/LS6 EFI Harness

Holley 558-102 LS1 Main Harness for HP EFI & Dominator EFI

Painless Wiring 60217 99-06 GM Gen III 4.8/5.3/6.0L EFI Harness

FiTech 70050-3 Fuel Injection FiTech Primary LS Wiring Harness

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