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step 6
Door locks
When attempting to interface the power door locks with your
system it is important to understand that there are multiple types
of door locking systems in today's vehicles. To determine your
vehicle’s power door lock system, check the web information on
your vehicle.
If your door lock system is a different type than described in this
guide, go to www.diyrattler.com to download the door lock
guide. The door lock guide identifies the type of system for your
vehicle. With the dual-relay door lock module you can properly
interface the power locks with your remote start system. If you
are unable to identify your door lock system with the web infor-
mation please contact Rattler Technical Support.
Although there are numerous types of door lock circuits, the
most common is the negative triggered door lock system. Check
the web information on your vehicle to determine your door
lock system type. If your vehicle has a negative triggered door
lock system, follow the steps below. If your vehicle has any other
type of door lock system, please contact Rattler Technical
Support to obtain the correct door lock wiring diagram.
Locate the suspected lock wire, and with the red meter lead still
secured to a (+)12 volt source, probe the suspect wire with the
black lead of the meter. Press the door lock switch to the lock
position and watch the meter display. The correct wire will show
a 10.00 to 12.00 volt pulse when the switch is pressed.
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