Neutral Safety Switch Interface - Viper 4103XV Installation Manual

Car security
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Neutral safety switch interface

Some vehicles do not have an electrical neutral safety switch but in-
stead have a mechanical neutral safety switch that physically interrupts
the starter wire when the vehicle is in any drive gear. When the remote
start is interfaced before this switch, it provides protection from starting
in gear. However, some vehicles combine the column shift mechanism
and the mechani cal neutral safety switch into one mechanical part.
Note:
You must complete the remote start system installation before do-
ing the following test. Ensure that the remote start system is functioning
normally. This includes connecting to the brake as a shut-down.
Testing the neutral safety switch
1.
Make sure there is adequate clearance to the front and rear of the
vehicle because it may move slightly.
2.
Make sure the hood is closed and there are no remote start shut-
downs active.
3.
Set the emergency brake.
4.
Turn the key to the "run" position, this will release the shifter.
5.
Place the car in drive (D).
6.
Place your foot directly over the brake pedal, but do not depress
it. Be ready to step on the brake if the starter engages.
7.
Activate the remote start system.
8.
If the starter engages, immediately depress the brake to shut the
remote start system down. If the starter does not engage, no ad-
ditional safety system is required.
If the starter engages and the vehicle is a General Motors product or
Dodge Dakota pickup, you can find an alternative shut-down method
to prevent the starter from engaging. Refer to
Document 1008 under the Resource tab.
24
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