Automotive Ignition & Electrical Supplies at Summit Racing

Holley Sniper Transmission Controller Harnesses

Holley Sniper offers transmission-specific controller harnesses for a variety of GM and Ford automatic transmission models. The plug-and-play harnesses are pre-terminated with j4 connectors. Order the harness recommended for your EFI application.

Not Yet Reviewed

$299.95

On Sale

MSD Atomic Transmission Control Module Harnesses

Hoop up your Atomic TCU with MSD Atomic transmission control module harnesses. They are designed to fit your specific transmission model and have the proper wiring connector for a direct fit.

3.86 out of 5 stars ( 7 )

$274.95

HP Tuners CORE Transmission Control Harnesses

CORE ECU is HP Tuners debut standalone engine management solution, delivering superior control over your powerplant with many features that go beyond the constraints of factory ECUs. HP Tuners offers several wiring harness options to mate with their CORE ECU. Their CORE transmission control harnesses are 3 ft. in length and terminated with one or two connectors, along with labeled open leads. Choose the one needed for your build.

Not Yet Reviewed

$159.99

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$259.99

B&M Remote Throttle Position Sensors

Get that stout performance you've always craved out of your automatic transmission with the installation of a B&M remote throttle position sensor! Designed for use with carbureted engines, B&M throttle position sensors are for use with B&M's automatic transmission controllers (sold separately). B&M throttle position sensors feature a simple three-wire design, making it easier to install. The adjustable cable allows for various mounting locations on your engine, and the supplied bracket provides a place to mount the throttle cable, as well as providing a more professional looking appearance.

3.5 out of 5 stars ( 2 )

$326.95

HP Tuners CORE Standalone Engine Control Units

Get ready to "Push the Boundaries" with HP Tuners CORE standalone engine control units! Created and designed for gearheads and craftsmen who need the utmost level of customization, CORE ECUs deliver superior control over your powerplant with many features that go beyond the constraints of factory ECUs. They provide all the necessary sensor interfaces, ignition drivers, injection drivers, and output drive stages required for total engine control. Bringing the CORE ECU to life is HP Tuners' VCM Live software, combining the diagnostics and calibration elements into a single, user-friendly interface. HP Tuners CORE ECUs are designed for all levels of LS swaps and high-performance motorsports builds. Currently CORE supports Gen 3 and Gen 4 LS engines with a 24x crank and 1x cam trigger along with 58x crank and 4x cam triggers. Drag, circuit, off-road racing; drifting, rally, or restomods, no matter what your high performance application, HP Tuners CORE ECU will provide everything you need for total control, performance, and ease of use. Order yours today. Key features: * Up to 16 injector control (fuel) and 8 coil packs (spark) * Sequential injection * Flex Fuel support * Dual throttle body capability * Two built-in Lambda controllers * Internal datalogging--up to 150 channels at 1kHz * 3 CAN bus networks (2 CAN and 1 HPT net) and ethernet connectivity * Turbo boost and anti-lag control * Single-stage On/Off and progressive nitrous control * Launch control * Map switching * A/C control, alternator control, etc.

Not Yet Reviewed

$1,999.99

FiTech Transmission Control Harnesses

Whether you want to add an automatic transmission to your vehicle with a FiTech fuel injection system or need to replace a damaged harness, FiTech transmission control harnesses get the job done. Repair or customize your vehicle's sensor layout the proper way with the FiTech transmission control harness designed for your application.

5.0 out of 5 stars ( 1 )

$153.00

Holley Dominator EFI Vehicle Management Systems

Holley Dominator EFI vehicle management systems are intended for all engine applications, from street to high-end racing. They have nearly unlimited capabilities to control any power adder, input, or output that you can throw at them. Features include: * 12 sequentially driven 8:2 peak and hold injector drivers capable of driving up to 24 low or high-impedance injectors * 12-channel distributorless ignition outputs capable of directly driving smart ignition coils or Holley DIS coils * Plug-and-play control of factory GM 24x and 58x LSX engines * Integrated electronic transmission control--currently can control GM 4L60E and 4L80E * Integrated dual channel wideband oxygen sensor controls, work with NTK or Bosch sensors * Integrated drive by wire throttle body control, can control two drive by wire throttle bodies * 4-stage progressive nitrous oxide controller * Turbo boost control * Integrated water/methanol injection control * Integrated data acquisition and control allowed with massive amount of programmable inputs and outputs * Internal data logging standard with a huge 2 GB of memory * Self-tuning fuel table strategy greatly simplifies tuning process * Store and change between four calibrations * Individual cylinder fuel and spark control allows you to unlock your engine's potential

4.17 out of 5 stars ( 6 )

$2,349.95

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$3,399.95

FiTech Ultimate TPI Standalone ECUs

FiTech Ultimate TPI standalone ECUs bring an old GM TPI-controlled engine (L98, LB9) into modern times. These standalone EFI kits plug into all existing sensors on a GM TPI engine and provides complete control of the engine. From timing control to self-learning fueling, FiTech Ultimate TPI standalone ECUs deliver new life into the GM TPI engine.

5.0 out of 5 stars ( 9 )

$954.00

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$1,060.00

Holley Terminator X MAX Engine Control Modules

Holley Terminator X MAX engine control modules are standalone units intended for use as service components for your Terminator X EFI installation. Each X MAX ECU features real-time fuel learn, high-impedance injector drivers, an integrated 1 Bar MAP sensor, electronic transmission control, drive-by-wire throttle body control, and four programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. Order your Holley EFI Terminator X MAX Service ECU today. Features: * Compatible with all Terminator X harnesses * OEM (Original Equipment Manufacturer) injectors supported with part numbers provided in the handheld wizard or software * Bosch LSU 4.9 wideband control (will not work with LSU 4.2 oxygen sensors) * Eight built-in multi-color diagnostic LEDs allow you to quickly identify a variety of potential system issues, such as: -- A failed TPS (Throttle Position Sensor) Autoset -- Faulty crank or cam sensors -- Potential oxygen sensor issues * Built-in 1 Bar MAP (Manifold Air Pressure) sensor -- On boosted applications, you can disable the internal MAP sensor and utilize an external MAP sensor * Four inputs—12 V, Ground, 5 V, and Frequency for things, such as: -- Additional pressure sensors -- Activation triggers for nitrous activation -- A trans-brake (fuel and oil pressure inputs are pre-terminated) * Four outputs--Ground, PWM, and accessories, such as: -- Fans, boost control, nitrous control, IAC kit, and more * GM LS and LT, Ford Coyote, and Mopar Gen V drive-by wire throttle body control * GM 4L60 and 4L80, and Ford 4R70W transmission control * Boost Control: -- Boost vs. Time/Gear/RPM/Speed, and boost safeties * Nitrous Control: -- Single channel of wet or dry -- Progressive or non-progressive -- Rich/lean safeties -- Target closed loop AFR * Advanced tables: -- Four 1D tables -- One 1D per gear table -- Four 2D tables -- One 2D per gear table * Free EFI tuning software for complete control of your Terminator X powerplant

4.29 out of 5 stars ( 7 )

$1,199.95

Painless Performance 4L80E Speed Sensor Wiring Harnesses

Painless Performance offers these individual wiring harnesses that enable you to add a 4L80E vehicle speed sensor to your LS engine swap using a 4L60E transmission. The harnesses work with either the Painless Performance EFI or the OE harness.

Not Yet Reviewed

$14.99

Painless Performance 4L60E/4L80E Vehicle Speed Sensor Repair Pigtails

Painless Performance 4L60E/4L80E vehicle speed sensor repair pigtails enable you to extend your VSS wiring for a 4x4 transfer case setup or repair a damaged pigtail. The Painless VSS pigtail gives you 24 in. of wire, high-quality barrel connectors, and mastic heat-shrink to make a weatherproof connection when extending or repairing your 4L60E or 4L80E VSS wires at the transmission.

Not Yet Reviewed

$14.99

On Sale

Holley Terminator X MAX Engine Management Systems

Holley Terminator X MAX engine management systems let you take control of your domestic V8 engine. They give you complete charge of your engine and self-learning fuel strategies, along with the proven, race-winning technology of Holley EFI—all at a budget-friendly price! Every MPFI Terminator X MAX features real-time fuel learn, high-impedance injector drivers, an integrated one-bar MAP sensor—and four programmable inputs and outputs, ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. Also, Holley offers the X MAX systems with either or both drive-by-wire (DBW) throttle body control or transmission control. All kits come fully loaded with base maps for common domestic V8 engine combinations to get you out of the garage and onto the road or track fast. Order the model recommended for your vehicle application. Features include: * Holley EFI industry-leading, easy-to-use software suite allows full laptop access for advanced users * Real-time fuel map learn—takes the guesswork out of tuning your base fuel table * High-impedance injector drivers will safely power most standard injectors and Holley EFI injectors (will not control low-impedance injectors) * Bosch LSU 4.9 wideband relays AFR information to the ECU for accurate reading and precise tuning control * On-board one-bar MAP sensor is perfect for N/A or nitrous engine combos * MAP sensor vacuum hose adapters * 4 inputs: 12 V, ground, 5 V, and frequency * 4 outputs: Ground, PWM, and for accessories * Boost control: boost vs. time, boost vs. gear, boost vs. rpm, boost vs. speed, and boost safeties * Nitrous control: single channel of wet or dry, progressive or non-progressive, rich/lean safeties, and target closed loop AFR; adjustable through touch screen * Advanced tables can be used for any custom tables * On-board diagnostic LEDs allow you to identify any critical engine issues at a glance * The compact ECU size allows you to mount it virtually anywhere. Remember, diagnostic LEDs must face up! * Plug-and-play compatible with more Holley EFI accessories * Available with or without a 3.5 in. touch screen LCD hand-held with easy-to-use calibration wizard; allows you to quickly build a base tune for most V8 engines, as well as tuning and gauge display functions

4.27 out of 5 stars ( 89 )

$1,789.95

$1,163.95

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$3,299.95

Chevrolet Performance LT4 Engine Controller Kits

Chevrolet Performance LT4 engine controller kits are fully integrated, stand-alone kits designed to run LT4 Series crate engines. Each kit features: * Engine Control Module (ECM—unique to LT4 automatic transmission/T56 manual transmission or 8-speed automatic transmissions) * LT4 engine harness—unique to each kit * Mass airflow sensor * Mass airflow sensor bracket * MAF bolt/screw/washer * Accelerator pedal * Oxygen sensors and mounting bosses * Fuel line pressure sensor * Fuel pump power module * Bolt/screw—M8 x 1.25 x 25 * Bolt/screw—M8 x 1.5 x 30 * Emblem * I-sheet (instruction sheet)

Not Yet Reviewed

$3,961.32

Holley Terminator LS Plug-and-Play Multi-Port Systems

Take control of your engine a Holley Terminator LS plug-and-play multi-port engine management system. They include all the necessary parts to control the fuel, spark, 4L60/4L80E or 4L60E/4L80E transmission, the vehicle's drive-by-wire, or some combination of those (depending on the application) on your stock or mild LS. Order the model recommended for your year/make and engine application. Holley Terminator LS plug-and-play multi-port systems include: * Terminator EFI ECU * Terminator hand-held controller with 3.5 in. full-color touch screen * Main power harness * Main engine harness * Injector harness * Other harnesses as required by the application * Oxygen sensor with fitting

4.0 out of 5 stars ( 1 )

$2,749.95

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$4,349.95

ATP Automatic Transmission Wiring Harnesses

ATP Automotive provides one of the widest product offerings of automatic gear-shifting control products, including transmission wiring harnesses, for most import and domestic vehicles. ATP designs and manufactures them to meet or exceed the OEM specifications to properly control your drivetrain. Get exact-fit, no-compromise replacement parts when you order the ATP automatic transmission wiring harnesses designed for your application.

5.0 out of 5 stars ( 1 )

$91.99

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$102.99

Dorman Transmission Range Sensors

Dorman transmission range sensors are designed from high-quality materials for sustained reliability. They'll ensure that the correct gear selection input is provided to the electronic control unit. These direct replacements offer a proper fit, and they feature connectors with weatherpack seals for effective corrosion prevention—plus durable wire looms that protect wiring from oil and heat damage. Restore your ability to start the vehicle and assure smooth shifting with Dorman transmission range sensors. They're available for a wide variety of specific make/model vehicles.

5.0 out of 5 stars ( 4 )

$146.99

Painless Performance GM Gen IV Vortec Truck Engine Wiring Harnesses

Painless Performance GM Gen IV Vortec truck engine wiring harnesses are designed to operate any Chevrolet Gen IV engine coupled with a 4L65E, 4L70E, 4L80E, or 4L85E automatic transmission. They cannot be used with a 4L60E transmission because it's missing the input speed sensor required by the transmission control module. The harnesses support engines with or without cylinder deactivation and/or variable valve timing. They feature an integrated weatherproof fuse block. Painless Performance GM Gen IV Vortec truck engine wiring harnesses have 10 fused power circuits, including injectors, ignition coils, oxygen sensors, ECM ignition, MAF/VLOM, and fuel pump. They also use an integrated 30 amp fuel pump, 40 amp cooling fan relays, and two ignition relays. The harnesses have an extra 4 ft. of length between the ECM connections and the main engine breakout.

4.0 out of 5 stars ( 1 )

$840.99

DIYAutoTune MicroSquirt Engine Management Systems

The versatile DIYAutoTune MicroSquirt Standalone Engine Management System with 8 ft. harness is an entry-level, fully assembled ECU and universal 30 in. pigtail with varied applications—targeting powersports, single cylinder all the way up to 8 cylinders with up to two fuel and four spark outputs. Over 40 different ignition modes are supported—from mainstream applications like GM LS1, Ford Zetec, Bosch Motronic, and Chrysler Gen III Hemis … to unusual modes like Renix Jeep and the Suzuki Swift GTI. MicroSquirt ECU hardware features: * 2 high impedance injector outputs; max peak current 4.5 amps * 2 dedicated spark outputs * 2 general purpose on/off outputs; can be repurposed as spark outputs * 1 PWM IAC output; can be repurposed as general purpose output * 1 dedicated fuel pump output * 2 variable reluctor conditioned inputs * 1 optoisolated RPM input * 1 flex fuel or general purpose switched input * 7 analog inputs MicroSquirt ECU software features - Supports speed density, alpha-N (TPS based), or MAF based fuel and spark tables - 0.66 microsecond injector pulse width resolution - Allows blending multiple load types, including specialized mode for independent throttle bodies - Supports a wide variety of OEM cam and crank position sensors - Accelerator pump or model-based acceleration enrichment - Closed or open loop idle speed and boost control - On/off nitrous control - Wankel rotary support: 2 rotor engines with separate leading and trailing spark tables - Staged injection - Table switching - 16 x 16 fuel tables - 12 x 12 spark tables - 2 step rev limiter (launch control) with no-lift shifting - Wideband AFR target table - Flex fuel sensor input - Real time barometric correction (external sensor required) - Sequential shift cut and air shifter control MicroSquirt with 8 ft. Harness Transmission Control Options: * MicroSquirt transmission control-free firmware allows you to use MicroSquirt with 30 in. harness to control a number of electronic automatic transmissions (gearboxes). It can work standalone or integrate with one of DIY's ECUs over canbus. * Control applications: GM 4L60E I GM 4L80E I GM 4T40E I GM 5L40E (dev) I A341E I 41TE (dev) I Ford 4R70W I Ford E40D (dev) I Subaru W4A33 and more. MicroSquirt with 8 ft. Harness CAN I/O Box Expansion: * Microsquirt I/O Box firmware allows you to use a Microsquirt as a plug-n-play I/O extension box for MS3 or MS3Pro ECUs. It can offer a useful I/O addition: - 7 Analog inputs (0-5 V variable) - 2 Wheel speed inputs (VR or hall type) - 2 Wheel speed (hall type) or ground-switch inputs - 1 dedicated ground-switch input - 2 high current PWM/switch ground-switching outputs - 4 mid current PWM/switch ground-switching outputs - 1 low current PWM/switch 0-12 V output - Perfect for capturing and logging vehicle speed and additional sensor data

3.8 out of 5 stars ( 5 )

$388.00

Delphi Ignition Knock Sensors

Delphi ignition knock sensors maximize your engine's performance--regardless of fuel quality! Their knock sensors hear various knock frequencies under many operating conditions to detect shifts and provide an accurate signal to your engine control module. The sensors meet or exceed OE requirements and reduce potential damage to your internal engine components. Knock, knock-- who's there? Engine. Engine who? Engine gonna buy me a Delphi ignition knock sensor? Listen to your engine--choose Delphi.

4.38 out of 5 stars ( 29 )

$44.99

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$52.99