02 trailblazer unlock but no lock

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geofgcrtr

Member - Posts: 8

Joined: July 26, 2005

Posted: July 29, 2005 at 12:16 PM / IP Logged

iskidoo wrote:

Was it a negative pulse or positive? Put a meter or test light on +12v and the other side to the output. You should see it light up or see 12v on the meter when you press lock or unlock.

I'll try this tonight.

Thanks

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geofgcrtr

Member - Posts: 8

Joined: July 26, 2005

Posted: July 29, 2005 at 5:16 PM / IP Logged

Ok that test worked. I get a single pulse lock and double unlock. If i reverse the connection, they still don't lock with the double pulse.

thanks

Geoffrey

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mo12v

Platinum - Nominee - Posts: 2,748

This member consistently provides reliable information

Joined: September 30, 2003

Location: Afghanistan

Posted: July 29, 2005 at 10:10 PM / IP Logged

Are the Keys in the Ignition and are you testing with the doors closed??

NO keys in Ignition and TEST only with the doors closed............

MO

Don't Learn from Others Mistakes

You Might Be the One That Knows.

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geofgcrtr

Member - Posts: 8

Joined: July 26, 2005

Posted: July 29, 2005 at 11:35 PM / IP Logged

No keys in ignition, tried with doors closed, dome light on, dome light off, immediately after closing doors and after car sitting for hours.

I'm starting to think I have a bad module. I can see the pulse to that point. and I thought the remote start would be the hard part. LOL

Does anyone no what the pulse duration has to be for the lock using the DEI databus interfaces?Their paperwork only says (-) input.

Thanks

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02 trailblazer unlock but no lock

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