On-Board Dual Stage Shock Sensor; Auxiliary Harness (H3), 2-Pin Connector - GM VSL 4000 Guide D'installation

on-board dual stage shock sensor

There is a dual-stage shock sensor inside the control unit. Adjustments are made via the rotary control as indi-
cated above. Since the shock sensor does not work well when mounted firmly to metal, we recommend against
screwing down the control module. We recommend mounting the control module to a large wiring loom.
NOTE: When adjusting the sensor, it must be mounted in the same location where it will be after the
installation is completed. Adjusting the sensor and then relocating the module requires readjustment.

auxiliary harness (H3), 2-pin connector

H3/1 BROWN (-) horn honk output
This wire supplies a (-) 200 mA output that can be used to honk the vehicle's horn. It provides a pulsed output
when the security system is in the triggered sequence or in panic mode. In most vehicle's with (-) horn circuits
this wire can control the vehicle's horn without adding a relay. If the vehicle has a (+) horn circuit, the optional
Relay Accessory Package (GM P/N 12495659) must be used to interface with the horn circuit.
H3/2 VIOLET/BLACK (-) 200 mA channel 4 output
This wire supply a (-) 200mA output whenever the button(s) controlling channel four is pressed and will con-
tinue until the button(s) is released. This output can be used to control optional accessories.
IMPORTANT! Never use this wire to drive anything but a relay or a low-current input! This
transistorized output can only supply (-)200 mA, and connecting directly to a solenoid, motor, or
other high-current device will cause the module to fail.
NOTE: Many of the options that can be operated with this output require the addition of the
optional Relay Accessory Package (GM P/N 12495659).
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NVSL4000