Commando FM-870 Installation Manual download pdf (Page 10)

FEB.20, 2003

RST872

H5/7 Violet wire – Positive Door Switch Sensing Input (Zone 3)–

This wire is the positive trigger input wire for positive door pin switch. This wire is connection for "positive"

type factory door pins(typical FORD MOTOR). Locate the "common wire" for all door pins and make the

connection of the VIOLET Wire here.

H5/8 White / Blue wire – (-) Instant Start & Turn Off Input –(See Start Feature I - 7 Programming)

This wires activates and turns off the remote starter each time it sees a momentary ground signal.

Normally only used for testing during installation or when activating the module from an after-market

system.

H5/9 White / Red wire – Tachometer Signal Connection –

Note: You should connect this wire if you program the Start Feature II – 2 to “Tachometer checking type”,

otherwise not to connect this wire and tap the end.

Note: No connection of this wire is required, if you use the voltage or timer checking type mode.

This input provides the remote start system with information about the engine’s revolutions per minute

(RPM). It can be connected to the negative side of the coil in vehicle with conventional coils. In multi-coil

and high energy ignition system locating a proper signal may be more difficult. Once connected,

To test for a tachometer wire, a multi-meter capable of test AC voltage must be used. The tachometer wire

will show between 1V and 6V AC at idle, and will increase as engine RPM increases. In multi-coil ignition

system, the system can learn individual coil wire. Individual coil wires in a multi-coil ignition system will

engine speed sensing. Common locations for a tachometer wire are the ignition coil itself, the back of the

gauges, engine computers, and automatic transmission computers.

IMPORTANT! Do not test tachometer wires with a test light or logic probe. The vehicle will be damaged.

How to find a tachometer wire with your multi-meter

1. Set the ACV or AC voltage (12V or 20V is fine.)

2. Attach the (-) probe of the meter to chassis ground.

3. Start and run the vehicle.

4. Probe the wire you suspect of being the tachometer wire with the red probe of the meter.

5. If this is the correct wire the meter will read between 1V and 6V.

H7. 4 PIN ORANGE CONNECTOR FOR 2 STAGE SHOCK SENSOR (ZONE 1 / 4)

Green

Wire /

Zone 1

Warn Away Input

2. Blue

Wire /

Zone 4

Ground Trigger

3. Black Wire / Negative

4. Red Wire / +12Volts

H8: 10-PIN MINI WHITE OUTPUT WIRE CONNECTOR:

H8/1 Yellow wire – (-) 200ma Ignition 3 Output –

This wire provides a 200mA (-) ground output that becomes active 4 seconds before the remote start unit

initialize, and remains grounded while running.

Ignition 3 output:

Some newer vehicles use a third ignition wire

which is required to start and keep the vehicle’s

engine running. If this is the case, wire an IGN 3

relay (not supplied) as shown below:

Do not connect any vehicle circuits together, they

are isolated for a resaon.

ellow Wire

87a

Ignition 3 Wire From

Ignition Key Switch

+ 12 V Constant

Fused 25A Capable

8586

Transponder interfacing using relay:

If the vehicle has transponder system installed, you will need to by-pass the system while the vehicle is

operating under the control of the Remote Start Unit. To do this:

1.You will need a transponder key that's already programmed to the vehicle.

2.Remove the trim around the ignition switch.

3.Wrap a thin (28 - 30awg) wire tightly around ignition switch 6 to 8 times and secure it.

4.About 6"down line make another loop of approximately 2"diameter.

5.Place the key inside this loop and secure it to the loop.

6. Connect on end of the (28 - 30awg) wire to pin (87) of the relay module.

7. Connect the other end of the loop wire to Pin (30) of relay module.

8. Connect the pin (86) of the relay module to the ignition wire from the ignition switch.

9. connect the pin (85) of the relay module to the

H8/1 yellow wire of 10-pin mini white connector.

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Commando FM-870 Installation Manual Page 10

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