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passlock bypass


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ikethegoalie 
Copper - Posts: 79
Copper spacespace
Joined: November 28, 2005
Location: United States
Posted: June 08, 2008 at 12:11 PM / IP Logged  
Ok, I'm just throwing this out there as a hypothetical. I have X vehicle that uses a data bypass for the remote starter.
Assuming I am having problems with the keycylinder, whereas the vehicle starts with the remote start, but occasionally will not start with the key and cause a security light to come on.
What I want to know is if there is any negative effects (other than losing passlock) to using a relay on my ignition line to switch polarity to give me a - lead to connect the status input wire from the bypass to so that the bypass enables every time the car starts.
any thoughts? Would it work? Also, is it possible to get newer style GM keys, 2004 up cut just out of metal, no chip?
JWorm 
Platinum - Posts: 2,208
Platinum spacespace
Joined: December 11, 2002
Location: New Hampshire, United States
Posted: June 08, 2008 at 12:43 PM / IP Logged  
Passlock keys do not have a chip in them. Passkey 3 keys do have a chip in them. I have not heard of vehicles with PK3 keys having ignition cylinder problems, it is a widely know issue with Passlock 2 though.
Your idea would work, if done correctly. The data bypass modules don't interrupt the Passlock wires. If the key cylinder is trying to send a signal to the cars computer, and the bypass module is also sending a signal you may have problems. You would have to interrupt the Passlock wires and have the bypass module perform the job 100% of the time.
ikethegoalie 
Copper - Posts: 79
Copper spacespace
Joined: November 28, 2005
Location: United States
Posted: June 08, 2008 at 1:36 PM / IP Logged  
Well the story is I have an 06 colorado that every now and again starting with the key fails, but starting with the rmote starter does not.
brcidd 
Copper - Posts: 274
Copper spacespace
Joined: January 07, 2005
Location: Ohio, United States
Posted: June 10, 2008 at 11:03 AM / IP Logged  
I've "fixed" several security light issues on vehicles that do not even have a remote starter on them- by using a simple $7 bypass module- that I have dialed in the appropriate resistance that keeps that pesky security light off forever.....
Brcidd - Engineer That Does Remote Starter Installs on the side.

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