You will need to know which wires go where on your vehicle in order to connect microsquirt appropriately. This is the core manual and will focus on the microsquirt.
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Microsquirt wiring diagram. A supplementary manual is provided for the. Microsquirt as io box 4 wiring pin name color inout function max amp 1 12v in red in main power feed 1a 2 canh blueyellow comms can communications 3 canl bluered comms can communications 4 vr2 vr2 in wheel speed in 2 ve 5 spareadc2 maf pinkblack in 0 5v analog input adc7. The best wiring diagrams and other information are generally found in a factory service manual for your vehicle but of course there are other sources aftermarket manuals internet etc. Standalone engine management system transmission controller or can io expansion module version 30 microsquirt with 8 harness is an entry level fully assembled ecu and universal 30 pigtail with varied applications targeting power sports single cylinder all the way up to 8 cylinders with up to 2 fuel and 4 spark outputs. The maximum temperature of the wiring is 85 degrees celsius 185 degrees fahrenheit. You may already have such coils or you may want to retrofit some to your application.
Wire the sensors actuators and power supply to the 35 pin ampseal harness. This document gives some hints as to what to look for and what you will need to know. If you expect it to encounter water you will need to seal the case with rtv silicone. There are a number of tools and techniques you will need to wire microsquirt to your vehicle. V3 microsquirt quickstart guide. Transmission control the extra folks has come up with a firmware version free for the download that turns your microsquirt into a transmission.
Microsquirt can run 4 cyclinder ignition direct or 8 cylinder wasted spark mode. The microsquirt is not fully sealed. Click the image for a large wiring diagram. Click here for the details of your microsquirt controllers connections. Megasquirt 1 external wiring diagrams microsquirt v1 metal case microsquirt v2 metal case. The versatile microsquirt with 8 harness.
Microsquirt has a flexible triggering input it can be triggered from a distributor or a multi tooth crankwheel. The microsquirt allows the use of up to two coils in wasted spark or coil per cylinder set ups. You will also need some specialized knowledge. Integration with megasquirt and microsquirt ecus using can is available to reduce wiring by sharing sensors. Our general automotive wiring guide presents an overview of some things you need know for wiring and soldering so read it first if you are not experienced in wiring aftermarket efi systems if you have questions ask them on the forums at www. Megasquirt is not designed for use in safety critical systems or pollution controlled vehicles.
The application is primarily targetted at the microsquirt hardware but may also be implemented on gpio or ms2. We used high temperature wire for the harness but you will want to avoid routing it too close to the exhaust system as well. Click here for a summary of your microsquirt controllers connections. See your hardware manual for external wiring diagrams.
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