2 Databus modules same install

Is it ok to use 2 DataBus interfaces at the same time? I plan on using  a GMDL4 and a PLDATA in a remote start install on a 03 silverado.

I just want to make sure having 2 on the databus wire won't cause any problems

THX

You bet, I have done that myself.  Makes the install much easier.  Using the GMDL4 will save you tons of time, and headaches.  Good choice on the PLDATA also.   Have fun, solder all connections, and test all wires with a DVOM, not a test light.   What remote start are you installing?

Thanks for the info, I just didn't know if they would conflict with each other.

I am installing a Valet 552T. I've installed many alaroms before just never ran into using 2 databus modules at the same time

With the GMDL4, will that control the parking lights also?

Thanks again

So you can simply just connect the Databus outputs of the two modules together? Then connect those to the vehicle's databus? Howabout if you add a third module like WIN-DATA for the electric windows?

no no no!!!!  you don't "just connect the databus outputs"....the GMDL4 will control the factory security system and doorlocks.  The PLDATA is still required to bypass the Passlock II thats on the vehicle as well.  They work in different ways, for different purposes.  DO NOT CONNECT THEM TOGETHER.

Simply install them one at a time, following the instructions....You may need to double up the ground out wire from the starter, but thats about it...just did a 04 Avalanche this way....PL2003 module for the passlock, and GMDL4 for doorlocks/security.  Worked great....

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