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I I M M P P O O R R T T A A N N T T ! ! Always perform the Vehicle Safety Check section of this guide to verify that the
vehicle cannot be started in ANY drive gear and that the override switch is functioning properly.
n n e e u u t t r r a a l l s s a a f f e e t t y y s s w w i i t t c c h h i i n n t t e e r r f f a a c c e e
Some vehicles combine the column shift mechanism and the mechanical neutral safety switch into one mechan-
ical part. In these vehicles, it is impossible to interface the remote start system before the neutral safety switch.
With this type of vehicle, if the vehicle is left in a drive gear and the remote start system is activated, the vehicle
will move and may cause damage to persons or property.
According to available information, vehicles known to be manufactured this way are most General Motors trucks,
sport utility vehicles and column shifting passenger vehicles. Available information also indicates that pre-1996
Dodge Dakota pickups with 2.5 liter motors are also manufactured this way.
GM vehicles that have the neutral safety switch built into the column shifter can usually be identified by a purple
starter wire. Typically, vehicles that use an outboard mechanical switch use a yellow wire from the ignition switch
to the mechanical switch and a purple wire from the mechanical switch to the starter itself. Remember, this is
only a rule of thumb and is not intended as a substitute for proper testing.
We suggest the following procedure to test for vehicles manufactured in this way.
N N O O T T E E : : You must complete the remote start system installation before doing the following test.
Ensure that the remote start system is functioning normally. This includes connecting to the
brake as a shut-down.
2 2 0 0
F F i i g g u u r r e e A A
F F i i g g u u r r e e B B
© 2004 Directed Electronics, Inc. Vista, CA
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