Tools and Material that you will need
Installation of this SM4 system can be easily carried out by professional mechanics and most
experienced home mechanics if the following tools and components are available:
• Voltmeter or test light.
• Soldering iron and solder, it is recommended that all connections be soldered except
where crimped terminations are used. Soldering a crimped terminations can cause the
wire at the crimp to become weak. Most crimped terminations have sufficient strength
alone as the appropriate crimping tool has been used.
• A selection of screwdrivers and spanners
• Wire cutters and pliers
• Crimping tool and assorted terminals
• Drill with assorted drill bits
• 1/8 NTP tap for Autronic air temp sensor
• 14 mm x 1.5 Tap for water temp sensor
• Electrical tape or even better silicone tape from Ray Hall
• Teflon pipe sealing tape
• Nylon cable ties
• Mounting hardware for relay and ECU (mounts/bolts/screws)
• A good quality timing light
• A personal computer preferably a portable laptop, running Windows 95/98/2000/XP with
a serial RS232 port, USB adapter can be used.
WARNING
Avoid open sparks, flames, or operation of electrical devices near flammable
substances.
Always disconnect the Battery cables when doing electrical work on your vehicle.
All fuel system components and wiring should be mounted away from heat sources,
shielded if necessary, and well vented.
Do not charge your battery with the engine running as this cold expose the ECU to an
unregulated power supply that could destroy the ECU and other electrical equipment.
Make sure there are no leaks in the fuel system and that all connections are secure.
Disconnect the Autronic ECU from the electrical system whenever doing any arc
welding on the vehicle by unplugging the wiring harness connector from the ECU.
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