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Wandering through the mysteries of automotive wiring harness work can be a daunting task for even the most seasoned of mechanics. We can help take some of the guesswork out of the confusing trials of getting your car or truck wired up. Our extensive inventory of all things wiring harness and automotive wiring is tailored to make the task at hand safe, as simple as possible, and perform for years to come. You can trust that Speedway Motors has what you are looking for in a wiring harness!

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Painless Wiring 10202 Universal 28 Circuit / 18 Fuse Chassis Harness
Part # 91064031
$299.99
(6)

Universal Fit, 28 Number of Circuits

Ships Free
Video Available

Number of Circuits: 28

Fuse Block Included: Yes

Compatible with GM Column: No

Ignition Key Location: Dash

Quick View
Painless Wiring 50002 21 Circuit Pro Street Chassis Wiring Harness
Part # 91050002
$299.99
$550.99
(1)

Universal Fit, 21 Number of Circuits

Ships Free
On Sale
Video Available

Number of Circuits: 21

Fuse Block Included: Yes

Compatible with GM Column: Yes

Ignition Key Location: Dash

Quick View
Speedway Console Manual Trans w/ Gauges, 1968 Camaro
Part # 92614029
$294.67
$521.99

1968 Chevy Camaro

Ships Free
Garage Sale
Clearance
Quick View
FiTech 38301-5 Ultra Ram External ECU, Engine Management System
Part # 521383015
$289.00

Universal Fit

Ships Free
Quick View
FiTech 38302-5 Ultra Ram Big Block Chevy, External ECU
Part # 521383025
$289.00

Universal Fit

Ships Free
Quick View
American Autowire 510004 Power Plus 13 Circuit Wiring Harness
Part # 910510004
$287.10
$309.00
(3)

Universal Fit, 13 Number of Circuits

Ships Free
On Sale

Number of Circuits: 13

Fuse Block Included: Yes

Compatible with GM Column: Yes

Ignition Key Location: Column or Dash

Quick View
AEM 30-3705 Infinity Mini-Harness
Part # 186303705
$284.19
Ships Free

Fuse Block Included: No

Quick View
12-Circuit Mini-Fuse Universal Hot Rod Wiring Harness & Acc.
Part # 9100416
$278.99
$306.99

Universal Fit, 12 Number of Circuits

Ships Free
On Sale

Number of Circuits: 12

Fuse Block Included: Yes

Compatible with GM Column: Yes

Ignition Key Location: Column or Dash

Quick View
Holley 558-124 EFI Ford Coyote Ti-VCT Sub Harness, 2011-12
Part # 425558124
$277.95

Universal Fit

Ships Free
Quick View
Holley 558-125 EFI Ford Coyote Ti-VCT Sub Harness, 2013-17
Part # 425558125
$277.95

Universal Fit

Ships Free
Quick View
TCI 30294 EZ-TCU Wiring Harness for '09+ 4L65/70E
Part # 28230294
$276.95

4L65E, 4L70E

Ships Free
Quick View
American Autowire 510625 Route 9 Circuit Wiring Harness
Part # 910510625
$269.10

Universal Fit, 9 Number of Circuits

Ships Free

Number of Circuits: 9

Fuse Block Included: Yes

Compatible with GM Column: Yes

Ignition Key Location: Column or Dash

Quick View
AEM 30-3502 Infinity Plug and Play Jumper Harness
Part # 186303502
$261.32
Ships Free
Video Available

Fuse Block Included: No

Quick View
AEM 30-3501 Infinity Plug and Play Jumper Harness
Part # 186303501
$261.32
Ships Free
Video Available

Fuse Block Included: No

Quick View
AEM 30-3812 Infinity Plug and Play Jumper Harness
Part # 186303812
$254.49

5.0

Ships Free
Video Available

Fuse Block Included: No

Quick View
FiTech 30003-1 Replacement ECU for Fitech 30003 Go Street EFI
Part # 521300031
$254.00

Universal Fit

Ships Free
Quick View
FiTech 30004-1 Replacement ECU for 30004 Go EFI Power Adder
Part # 521300041
$254.00

Universal Fit

Ships Free
Quick View
FiTech 30002-1 Replacement ECU for Fitech 30002 Handheld Go EFI 4
Part # 521300021
$254.00

Universal Fit

Ships Free
Quick View
FiTech 30008-1 Replacement ECU for Fitech 30008 Mean Street
Part # 521300081
$254.00

Universal Fit

Ships Free
Quick View
FiTech 30005-1 Replacement ECU for Fitech 30005 Easy Street EFI
Part # 521300051
$254.00

Universal Fit

Ships Free
Quick View
FiTech 30012-1 Replacement ECU for Fitech 30012 Go EFI 8
Part # 521300121
$254.00

Universal Fit

Ships Free
Quick View
FiTech 30001-1 Replacement ECU for Fitech 30001 Handheld Go EFI 4
Part # 521300011
$254.00

Universal Fit

Ships Free
Quick View
FiTech 30020-1 Replacement ECU for Fitech 30020 Go EFI Classic
Part # 521300201
$254.00

Universal Fit

Ships Free
Quick View
FiTech 30062-1 Replacement ECU for Fitech 30062 Go EFI 2X4
Part # 521300621
$254.00

Universal Fit

Ships Free
Quick View
FiTech 30014-1 Replacement ECU for Fitech 30014 Go Port
Part # 521300141
$254.00

Universal Fit

Ships Free
Quick View
FiTech 30064-1 Replacement ECU for 30064 Go EFI 2X4 Power Adder
Part # 521300641
$254.00

Universal Fit

Ships Free
Quick View
FiTech 30061-1 Replacement ECU for Fitech 30061 Go EFI 2X4
Part # 521300611
$254.00

Universal Fit

Ships Free
Quick View
AEM 30-3706 Infinity Flying Lead Harness
Part # 186303706
$253.45
Ships Free

Fuse Block Included: No

Quick View
Painless Wiring 21 Circuit Wiring Harness
Part # 91064029
$249.99
$423.99
(17)

Universal Fit, 21 Number of Circuits

Ships Free
On Sale
Video Available

Number of Circuits: 21

Fuse Block Included: Yes

Compatible with GM Column: Yes

Fuse Style: ATO/ATC

Quick View
Speedway Motors Hotrod Split Woven Nylon Install Kit
Part # 9109809
$247.99
$260.91

Universal Fit, Black, Cloth

Ships Free
On Sale

Color: Black

Material Type: Cloth

Quick View
FiTech 39610-1 Replacement ECU For Fitech 39610 Tri Power System
Part # 521396101
$247.00

Universal Fit

Ships Free
Quick View
FiTech 39001-1 Replacement ECU for FiTech 2 Barrel EFI System
Part # 521390011
$247.00

Universal Fit

Ships Free
Quick View
Holley 573-117 F6 Split Wire Loom, 2 Inch, Black, 50 Feet
Part # 425573117
$246.95

Universal Fit, 50" Overall Length, Black

Ships Free

Overall Length: 50"

Inside Diameter: 2.000"

Color: Black

Quick View
22-Circuit Aftermarket Wiring Harness & 125 Piece Grommet Kit
Part # 9100173
$240.99
$285.99
(1)

Universal Fit, 22 Number of Circuits

Ships Free
On Sale

Number of Circuits: 22

Fuse Block Included: Yes

Compatible with GM Column: Yes

Ignition Key Location: Column or Dash

Quick View
AEM 30-3511 Infinity Plug and Play Jumper Harness
Part # 186303511
$237.38
Ships Free
Video Available

Fuse Block Included: No

Quick View
Pro-Street Fuse and Relay Wiring Board
Part # 91003057
$234.99
(4)

Universal Fit

Ships Free
Quick View
Painless Performance 10308 18 Circuit Modular Wiring Harness
Part # 91010308
$229.99
$419.99
(2)

Universal Fit, 18 Number of Circuits

Ships Free
On Sale

Number of Circuits: 18

Harness Length: Standard

Compatible with GM Column: Yes

Quick View
Holley 558-207 Unterminated 16 injectors MPFI Harness
Part # 425558207
$229.95

Universal Fit

Ships Free
Quick View
Holley 558-405 GM 4L60/80E Transmission Harness
Part # 425558405
$223.95

Universal Fit

Ships Free
Quick View
12-Circuit Aftermarket Wiring Harness & 125 Piece Grommet Kit
Part # 9100174
$211.99
(1)

Universal Fit, 12 Number of Circuits

Ships Free
Video Available

Number of Circuits: 12

Fuse Block Included: Yes

Compatible with GM Column: Yes

Ignition Key Location: Column or Dash

Quick View
Painless Wiring 60109 700R4 Transmission Torque Converter Lock-Up Kit
Part # 91064038
$209.99
(11)

700R4

Ships Free
Quick View
B&M 120003 Replacement Internal Wiring Harness for GM 4L80E
Part # 200120003
$209.95

4L80E

Ships Free
Quick View
MSD 2770 Atomic TCU GM Harness 4L60-85E, 93-Up/4L70 06-09
Part # 5472770
$205.95

Universal Fit

Ships Free
Quick View
MSD 2771 Atomic Trans Controller GM Harness 4L70, 2009-Up
Part # 5472771
$205.95

Universal Fit

Ships Free
Quick View
Holley 558-473 Chrysler 46RE Trans Control Harness, Term X Max
Part # 425558473
$203.95

Universal Fit

Ships Free
Quick View
22-Circuit Universal Automotive Aftermarket Wiring Harness Kit
Part # 91064022
$202.99
$275.00
(386)

Universal Fit, 22 Number of Circuits

Ships Free
On Sale
Video Available

Number of Circuits: 22

Fuse Block Included: Yes

Compatible with GM Column: Yes

Ignition Key Location: Column or Dash

Quick View
AEM 30-3550 Infinity Plug and Play Jumper Harness
Part # 186303550
$202.99
Ships Free
Video Available

Fuse Block Included: No

Quick View

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Part
Engine Control Modules (16)
Chassis Wiring Harnesses (9)
ECM Wiring Harnesses (7)
Transmission Wiring Harnesses (7)
Engine Wiring Harnesses (2)
Wire Conduits (2)
Dash Wiring Harnesses (1)
Fuel Injector Wiring Harnesses (1)
Power Distribution Blocks (1)
Wiring Accessory Kits (1)
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Brand
Speedway Motors (7)
AEM Electronics (7)
American Autowire (2)
B&M (1)
FiTech (16)
Holley (6)
MSD (2)
Painless Wiring (5)
TCI Automotive (1)
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Product Line
AEM Plug and Play Jumper Harnesses (5)
Painless Wiring Universal Wiring Harnesses (4)
AEM Infinity Universal Wiring Harnesses (2)
MSD Atomic TCU Harnesses (2)
Painless Wiring Transmission Torque Converter Lock-Up Kits (1)
Speedway Relay Modules (1)
Speedway Reproduction Gauges (1)
Speedway Universal Chassis Wiring Harnesses (1)
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Engine Family
Ford Modular V8 (2)
Chevy Big Block V8 (1)
Platform
GM F-Body (1)
Transmission Family
4L70E (3)
4L65E (2)
4L80E (2)
4L60E (1)
4L85E (1)
700R4 (1)
Ignition Key Location
Column or Dash (6)
Dash (3)
Column (1)
Number of Circuits
12 (2)
18 (1)
21 (2)
28 (1)
22 (2)
13 (1)
9 (1)
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Compatible with GM Column
Yes (8)
No (1)
Fuse Block Included
Yes (9)
Color
Black (2)
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