Most GM's after 2000 have Paslock system of one type or another
http://www.bulldogsecurity.com/diagrams/diagrams.htm
> The truck is a Chevy 04 1500 standard model auto tran 5.3 v-8
> Wish to install a Impulse model 4040 alarm and remote starter combo.
> My key has no chip or anything on it.
> Does anyone know if I need any kind of bypass to install this alarm and
> starter
> Spanky
KENG - 24 Feb 2005 21:29 GMT
Wether or not he needs one for PassLock, he will need one for doorlock.
Starting with '03 (I beleive) each door has a door module that
demultiplexes the lock signal from the databus. You must either use a
databus interface, or run 3 14 awg wires into each door to send the
unlock pulses.
> Most GM's after 2000 have Paslock system of one type or another
>
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>>starter
>>Spanky