(See Start Feature D - 1 Programming)
In diesel vehicles it is necessary to interface with the wire that on the WAIT-TO-START light in the dashboard. This wire
illuminates the bulb until the vehicle’s glow plugs are properly heated. When the light goes out the vehicle can be started. This
wire is always at the connector leading to the bulb in the dashboard. It can also be found at the Engine Control Module (ECM)
in many vehicles.
To test and determine the polarity of this wire:
1. Set your multi-meter to DCV or DC voltage (12V or 20V is fine).
2. Attach the (+) probe of the meter to (+) 12V.
3. Probe the wire that you suspect leads to the bulb with the (-) probe of the meter.
4. Turn the ignition switch to the ON position.
5. If the meter indicates 12 volts until the light goes out you have isolated the connect wire and the wire’s polarity is negative
(ground while the bulb is on).
6. If the meter reads zero volts until the light goes out and then reads 12 volts, you have isolated the connect wire and the
wire’s polarity is positive.
Connect this wire to the wire in the vehicle that sends the signal to turn on the WAIT-TO-START bulb in the dashboard. In most
diesels the wire is negative (ground turns on the bulb) and this wire can be directly connected to the wire in the vehicle. If the
vehicles use a positive wire (12V to turn the bulb) a relay must be used to change the polarity.
Wait to Start
White/Green Wire
87a
87
30
85
Wait To Start
White/Green Wire
H6/13 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 reason.
Yellow Wire
87a
Ignition 3 Wire From
+ 12 V Constant
Transponder interfacing using relay:
If the vehicle has a 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 H6/13 yellow wire of 20-pin connector.
GM VATS KEY OVERRIDE:
If the vehicle has the General Motor VATS 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:
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