2005 trailblazer remote start

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eanderson651

Member - Posts: 41

Joined: October 26, 2011

Location: Minnesota, United States

Posted: November 30, 2011 at 1:49 PM / IP Logged

Hey all

Im planning to install a remote start (Viper 5301) on a 2005 trailblazer this weekend. I'll be using the DB-ALL from DEI in D2D mode.

I'm looking at the install guide for that on xpresskit.com

I'm wondering if I have to use TX and RX wires? The install diagram kind of shows i but doesn't say where those wires are in the truck. Besides that, it looks like the DB-All only needs 12v + and - along with the OBD connection. Is that all I need? I know I still need to hook up the heavy gauge wires on the remote start, but not sure about the others. Any input or tips would be appreciated.

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kreg357

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Joined: January 30, 2009

Location: Pennsylvania, United States

Posted: November 30, 2011 at 1:59 PM / IP Logged

Everything is handled by the OBD2 connection and the D2D harness. The 4 Pin connector shown with RX and TX is the D2D connector to the Viper.

Your Trailblazer is Passlock2 ( no transponder ).

Just make sure the DB-ALL is "Flashed" with the correct firmware ( 401.GM1 v1.04 ).

Soldering is fun!

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kreg357

Platinum - Posts: 7,783

Joined: January 30, 2009

Location: Pennsylvania, United States

Posted: November 30, 2011 at 2:03 PM / IP Logged

The Viper will still need to be connected to the ignition wires, Chassis Ground, Parking Light, Brake, Horn ( optional ), and Hood Pin.

Soldering is fun!

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eanderson651

Member - Posts: 41

Joined: October 26, 2011

Location: Minnesota, United States

Posted: November 30, 2011 at 2:12 PM / IP Logged

Thanks so much for the quick reply, thats what I figured but wanted to be sure.

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2005 trailblazer remote start

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