8A089X01 Rev 1
SLIM Installation Manual
3/23/2018 Page 39 of 61
2. Locate the appropriate interface kit for the particular light and siren controller. Refer
to Appendix A: Ordering Information for the proper kit and part numbers.
3. Connect the Data Cable to the Module and siren. For more details refer to Section
Chapter 4: “Device Specific Installation”.
4. Connect the Audio Cable to the Module and siren. For more details refer to Section
Chapter 4: “Device Specific Installation”.
IMPORTANT!
Do not connect more than one light and siren controller to the Module.
3.4.5 General Purpose Inputs & Outputs (GPIO)
The general purpose I/O port can be used for ground-activated interaction with connected
devices such as OEM steering wheel buttons for certain compatible vehicles.
Inputs:
The Module has four programmable ground-activated inputs. OEM Steering wheel
buttons or similar devices may be connected to these inputs.
GROUND (0 volts) is recognized to be an ACTIVATED input.
FLOATING is recognized to be a NON-ACTIVATED input.
NOTE:
GPIO pins should never be connected to BATT+ voltage. The pins are not compatible with
the vehicle’s alternator and voltage system. If needed, nonactivated inputs can be pulled
weakly to 5-12V regulated DC.
Outputs:
The Module has four programmable ground-activated outputs. Low current controlled
devices may be connected to these outputs.
GROUND (0 volts) is supplied when the output is ACTIVATED.
FLOAT/OPEN is supplied when the output is NON-ACTIVATED.
1. Locate the GPIO Harness (P/N DDN2349A)
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