Installation guide
12 
3 
PURPLE 
DOOR TRIGGER INPUT 
( 
+ ) 
Locate the 
vehicle's dome 
light 
or 
door pin switch wire. 
Verification: 
This wire 
will register positive 
voltage (POS) 
when the door is 
opened and the interior light is on.  This wire 
will 
register ground or 
"0" Volts when the door is 
closed and the 
interior light 
is 
off. 
Connect the  PURPLE wire to the 
vehicle's 
positive door input wire(s). 
NOTE: 
Certain 
vehicles 
may require multiple 
connections. Refer  to 
vehicle 
application 
guide. 
4 
WHITE/BLUE 
EXTERNALSTARTINPUT(-) 
This wire 
will 
activate the Remote Start function when a GROUND 
pulse 
is 
applied 
to it 
from 
an 
external device. 
5 
GRAY 
HOOD PIN  INPUT ( 
- ) 
Install 
a Hood Pin Switch and connect to the GRAY wire. This connection is 
required for Remote Start. 
Verification: 
This wire when connected 
will 
register ground when the 
vehicle's 
hood is opened. 
Connect the GRAY wire to the hood pin. 
NOTE: 
Be sure to 
loom 
the wire, and 
seal the grommet. 
6 
BLACK/WHITE 
NEUTRALSAFETYINPUT(-) 
Locate  the 
vehicle's  neutral  safety circuit. 
Verification: 
This wire  registers  (  - ) 
voltage 
when  the 
vehicle's 
gear 
selector is in  park or 
neutral. 
Connect the 
BLACK/WHITE neutral 
safety input wire to the 
neutral 
safety wire of 
the 
vehicle 
or an 
optional toggle 
switch. The remote start feature 
will not operate 
unless 
this input is supplied 
with a ground source. 
ca6553/6553sst 
rev 
A 










