Additional harnesses, sensors, connectors and other components for use with MS3-Pro.
Showing all 44 results
MS3Pro 1st Gen Wiring Harness Upgrade (for ULTIMATE)
If you have a previously installed MS3Pro harness (1st Gen flying lead or LS Drop On Harness) and want to change to the MS3Pro ULTIMATE ECU, the upgrade path is simple. However, complete functionality will require a few basic changes to your 1st Gen har...
Learn More →$22.00
MS3Pro ULTIMATE Center Harness
MS3Pro ULTIMATE adds nearly 50% more I/O with the addition of a third AMPSEAL 23-pin, 8' flying lead. Harness arrives with color-coded, printed wires per the pinout below (black center connector)***Center Harness ONLY in this listing
Learn More →$49.00
MS3Pro ULTIMATE Complete Universal Flying Lead Harness
MS3Pro ULTIMATE Complete 8' Flying Lead Harness Only (White-Black-Gray connectors with 8' pigtails) arrives with color-coded, printed wires per the pinout below.All applications.
Learn More →$299.00
4:1 Peak and Hold Injector Driver with Subharness
Add a peak and hold injector driver to your MS3Pro installation!The MS3Pro 4 AMP Peak, 1 AMP Hold Injector Driver provides a separate "peak and hold" logic circuit for eight injectors. The "peak" supplies up to 4 amps to snap huge injectors open quic...
Learn More →$299.00
GM LS 58x Plug and Play Engine Harness-1st Gen
Designed for MS3Pro 1st Gen plug and play installation. HARNESS ONLY in this listingThe MS3-Pro 58x LS Plug and Play Harness is the highest quality, best value option for LS Motors in the industry today. Save your hard earned time and money while ...
Learn More →From: $799.00
GM LS 24x Plug and Play Engine Harness-1st Gen
Designed for MS3Pro 1st Gen plug and play installation. HARNESS ONLY in this listing.The MS3-Pro 24x LS Plug and Play Harness is the highest quality, best value option for LS Motors in the industry today. Save your hard earned time and money while...
Learn More →From: $799.00
MS3-Pro LS Plug and Play Harness Alternator Lead Extension
30" extension for GM LSx alternator subharness. Our harness will require this if used with Camaro, Firebird, GTO, or CTS-V accessory drives. You can also use this with aftermarket brackets that move the alternator to a low mount position or relocate it ...
Learn More →$24.99
MicroSquirt CAN Transmission Controller with 4L80E Subharness
4L80E Plug and Play Transmission Control via MicroSquirt Seamlessly control your 4L80E transmission with MicroSquirt Transmission Control! The supplied 4L80E subharness provides a simple, plug and play integration with MS3Pro and directly mates with ...
Learn More →$499.00
MicroSquirt CAN Transmission Controller with 4L60E Subharness
4L60E Plug and Play Transmission Control via MicroSquirt Seamlessly control your 4L60E transmission with MicroSquirt Transmission Control! The supplied 4L60E subharness provides a simple, plug and play integration with MS3-Pro and directly mates with...
Learn More →$499.00
Race Technology Dash2Pro Vehicle Display System with CAN Receive Option
The DASH2 PRO - Powerful and ultra configurable display with powerful processing. Specify a complete system in one compact component with optional onboard GPS data logging and control outputs.What does the DASH2 PRO do?The DASH2 PRO is a vehicle d...
Learn More →From: $1,200.00
RacePak CAN interface mating cable for IQ3s
Product SKU: RACEPAK-IQ3S-CANThe RacePak CAN interface mating cable is perfect for extending the two CAN wires to the ECU via mated connector on the IQ3s Dash. This fits the IQ3S and IQ3D dashes only - it does not fit the base model IQ3.
Learn More →$50.00
MS3Pro Logo T Shirt- Pink Ladies
'Official' MS3Pro Pink Ladies Cut Logo T Shirt, available in various sizes! MS3-Pro: Advanced Power Management
Learn More →$15.00
MS3-Pro LS Plug and Play Harness 4L80E Transmission Control Subharness
Harness Only. Optional automatic transmission control using our MicroSquirt transmission controller (sold separately). Literally, just plug in our transmission controller with the 4L80E subharness and you’re ready to control your trans via CAN wi...
Learn More →$279.00
MS3-Pro LS Plug and Play Harness 4L60E Transmission Control Subharness
Optional automatic transmission control using our MicroSquirt transmission controller (sold separately). Literally, just plug in our transmission controller with the 4L60E subharness and you’re ready to control your trans via CAN with MS3Pro!
Learn More →$279.00
MegaSquirt CAN Interface Module for RacePak
The RacePak-CAN Interface Module seamlessly connects your IQ3 Display or Logger Dash to your MS3-Pro, MSPNP, MS3, MS2 or MicroSquirt Engine Management System for CAN communication.The RacePak dash can read up to 20 data channels from the MS3-Pro.
Learn More →$375.00
RacePak IQ3 Logger Dash
The RacePak IQ3 Logger Dash can be utilized with MS3-Pro, all MSPNP Gen 2 or MSPNP Pro versions, MS3, MS2 and MicroSquirt providing a compact, fully programmable LCD digital dash for use in a variety of motorsports. Requires MegaSquirt CAN Interface M...
Learn More →From: $1,525.00
RacePak IQ3s Street Dash
The RacePak IQ3s Display Dash can be utilized with MS3-Pro, all MSPNP Gen 2 and MSPNP Pro model, MS3, MS2 and MicroSquirt to provide a compact, fully programmable LCD digital dash for use in a variety of motorsports. Optional CAN Interface mating conne...
Learn More →From: $975.00
RacePak IQ3 Display Dash
The RacePak IQ3 Display Dash can be utilized with MS3-Pro, all MSPNP Gen 2 and MSPNP Pro model, MS3, MS2 and MicroSquirt to provide a compact, fully programmable LCD digital dash for use in a variety of motorsports. Requires MegaSquirt CAN Interface Mod...
Learn More →From: $675.00
MS3-Pro 8 ft Wiring Harness
8 foot (2.4 m) flying lead type harness for the MS3-Pro. It has the MS3-Pro's AMPSEAL connectors on one end and the other end is unterminated for installing your own connectors. This harness uses TXL high temperature automotive grade wiring. Wires are ind...
Learn More →$249.00
The MS3-Pro Module puts the MS3-Pro circuitry on a board where we've replaced the AMPSEAL connectors with 0.100" pin headers. What's it for? The MS3-Pro Module is the core for our MSPNP-Pro, but we're also making them available to the public. MS3-P...
Learn More →$850.00
MS3-Pro Uncrimped AMPSEAL Connectors
Making your own harness? This plug and pin kit features the MS3-Pro AMPSEAL connectors plus 75 pins (so you'll have a couple extras) for making your own MS3-Pro harness.Download AMPSEAL Assembly Instructions
Learn More →$60.00
MAP – GM 3 Bar MAP Sensor
Standard GM style 3-bar MAP Sensor (Manifold Absolute Pressure Sensor), compatible with the MS3-Pro and all flavors of the MegaSquirt EMS / MicroSquirt EMS. Assembled in the USA, unlike the current Delphi production.Calibration is linear with 1.1 k...
Learn More →From: $64.00
USB to Serial Adapter – Works with TunerStudio!
This USB to Serial Adapter has been tested and works properly with all versions of TunerStudio. We highly recommend this adapter is used if your tuning PC/laptop doesn't have a DB9 Serial connector. Or you can use another adapter with a genuine FTDI c...
Learn More →$22.50
USB Tuning Cable for MegaSquirt-III
Use this cable to plug your MegaSquirt-III, MS3-Pro, or MSPNP Pro (JZ9298 only) directly into your USB port. No adapters required!
Learn More →$6.95
MAP – GM 3 Bar MAP Sensor 6″ Pigtail
Compatible with standard keying of GM's 3-Bar Map Sensor. This plug features 6" of pigtail and is ready to be added to your wiring harness.Color coding when used with our 3 bar MAP sensor is as follows:Black - Sensor Ground Green - Signal to...
Learn More →$11.50
MAP – GM 3 Bar MAP Sensor Uncrimped Connector
Plug and pin set for a GM 3-bar MAP sensor. We include an extra pin and wire seal just in case you need it as well.Also available as a pigtail, if preferred.
Learn More →$8.50
GM Open Element IAT Sensor with Connector
These are the proper GM-style sensors for use with the MegaSquirt line of ECUs and come with the weatherproof connector and crimp pins. One extra crimp pin is included as a spare. The threads are 3/8" NPT pipe thread - note that isn't an actual 3/8" o...
Learn More →$20.00
GM Closed Element CLT/IAT Sensor with Connector
These are the proper GM-style sensors for use with the MegaSquirt line of ECUs and come with the weatherproof connector and crimp pins. Suitable for use as a coolant temperature or oil temperature sensor, and is occasionally used as an air temperature s...
Learn More →$16.25
EBC Electronic Boost Control Solenoid Kit
This electronic boost control solenoid can be used with the MS3-Pro/MSPNP as well as any DIY Style MegaSquirt EMS (with the appropriate mods), or with other electronic boost controllers to control boost by adjusting the pressure to a turbo wastegate. Th...
Learn More →$53.00
IAT Sensor Pigtail for GM Open Element Sensors
Pigtail connector for GM open element IAT sensor, with 6" wire leads. Also fits vehicle speed sensor (VSS) on many transmissions, including 4L60E and 4L80E, and 4L80E input shaft speed sensor.
Learn More →$10.00
Pigtail Connector for IGN-1A
4' Flying lead pigtail for IGN-1A coils. The extra length makes these easy to bundle up into a single ignition control harness without needing splices near the coil. Power and primary ground wires are 18 gauge to better handle these coils' power req...
Learn More →$14.99
Crimp Connector for IGN-1A
Connector for IGN-1A coils, includes crimp on terminals/pins.Like all of our 'ready to crimp' connectors- we include an extra terminal/pin, just in case.
Learn More →$5.00
Replacement MS3-Pro Fuse
The MS3-Pro features user-replaceable fuses that protect against voltage spikes and other abuse. To replace these fuses, use a needle nose pliers to pull the fuse out of its holder, and you can push the replacement in with your fingers.Fuses sold indi...
Learn More →$2.00
Circuit Breaker – 150 Amp
150 amp circuit breaker. This is a sealed, marine grade unit with a reset lever. 3/8" lugs for ring terminal attachments. Manual trip/reset lets you activate the breaker with the blue push button. Maximum voltage 48 volts DC. Made in the USA.
Learn More →$40.00
HSD-4 High Side Driver with 4 channels
Have an application with a lot of small solenoids that need 12V power and rapid switching? Don't want the expense of a bank of four separate solid state relays, each rated for five times the current each solenoid needs? This module lets you run up to four...
Learn More →$79.00
Power and Ground 14 Gauge Wire Bundle – 20′ Long
Need some heavier wiring for power and ground? This 14 gauge automotive-grade wire can handle up to 20 amps per wire and use high temperature TXL insulation to stand up to high temperatures under the hood.We include four 20' lengths of wire:Soli...
Learn More →$36.00
6 Circuit Switch Panel
Six circuit race car switch panel with heavy duty switchgear. This includes one momentary switch for your starter, and five lighted on-off switches. The on-off switches have resettable circuit breakers instead of fuses, so if you need to get your race veh...
Learn More →$109.00
4-way Modular Fuse Block
Delphi (Packard) 4 position modular fuse block. Exactly the same thing that OEMs have been using in their wiring harnesses for decades. We've included 10 crimp on terminals, and left them on a bus bar which you can cut as needed to put several fuses on a ...
Learn More →$6.89
D-Sub Connector Pin Removal Tool
Need to remove a pin from one of our assembled MegaSquirt harnesses? These little tools are what you need to release the pins from a D-Subminiature connector so you can pull the wire out.
Learn More →$4.50
Weather Pack Pin Removal Tool
This tool makes de-pinning Weather Pack connectors a simple snap or poke.Just pop the seal retainer off, poke the tool in from the terminal side, slipping the tool over the terminal all the way in to release the latch, and pull the wire out from the...
Learn More →$4.95
Mounting Plate for Twin 22 Pin Weather Pack Connectors
22 pin Weather Pack connectors are great for running harnesses through the firewall, but what if you want a really clean hole for them and only have a jigsaw? We've made it easier now to get show car looks without show car fabrication equipment, with this...
Learn More →$36.00
Fuel Injector Pigtails – Bosch EV6
EV6 Style Fuel Injector Connector with 6" Wire PigtailFits many applications; among them several GM applications and the Dodge/Plymouth Neon/Charger/Challenger and others.The wire used is 18 gauge GXL high temperature automotive wire.
Learn More →$9.50
Weather Pack 22 Position Bulkhead Connector Kit
Use this giant 22 Position Weather Pack connector to run wires through a firewall or as a quick disconnect for your engine harness, or other components that need a lot of wires.Includes:(1) 22 position male and female connector (13) 20-18 gauge m...
Learn More →$30.00
Fuel Injector Connector – Bosch EV6
EV6 style Fuel Injector connector with uncrimped pinsFits many applications; among them several GM applications and the Dodge/Plymouth/Neon/Charger/Challenger and others.Includes one connector and three uncrimped pins (one extra just in case)
Learn More →$8.50