Quick Manual v2.2 // FMC640
12
MOUNTING RECOMMENDATIONS
CONNECTING WIRES
• Wires should be fastened to the other wires or non-moving parts. Try to avoid heat emitting and moving objects near the
wires.
• The connections should not be seen very clearly. If factory isolation was removed while connecting wires, it should be applied
again.
• If the wires are placed in the exterior or in places where they can be damaged or exposed to heat, humidity, dirt, etc., additional
isolation should be applied.
• Wires cannot be connected to the board computers or control units.
CONNECTING POWER SOURCE
• Be sure that after the car computer falls asleep, power is still available on chosen wire. Depending on car, this may happen in
5 to 30 minutes period.
• When module is connected, measure voltage again to make sure it did not decrease.
• It is recommended to connect to the main power cable in the fuse box.
• Use 3A, 125V external fuse.
CONNECTING IGNITION WIRE
• Be sure to check if it is a real ignition wire i. e. power does not disappear after starting the engine.
• Check if this is not an ACC wire (when key is in the rst position, most of the vehicle electronics are available).
• Check if power is still available when you turn o any of vehicles devices.
• Ignition is connected to the ignition relay output. As alternative, any other relay, which has power output when ignition is on,
may be chosen.
CONNECTING GROUND WIRE
• Ground wire is connected to the vehicle frame or metal parts that are xed to the frame.
• If the wire is xed with the bolt, the loop must be connected to the end of the wire.
• For better contact scrub paint from the spot where loop is going to be connected.
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