99 tahoe remote start

I'm having trouble with a remote starter on a 99 tahoe. I believe I need to add a pass lock module to make it work properly. I would apreciate any info you may have on it. I'm using a crime stopper cs 2011 series iv. I've put in several but this is the first time on a tahoe. and I've never used the pass lock modules that are available. I have used the omaga pass-4 for transponder bypasses. is this similar.

From Omega a GMBP or a PL2003.I prefer the later on a rig like yours.You can get your door locks,alarm,horn,and park lights at the BCM under the steering  assy.

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BigDog

Thanks for the info. I've gotten the whole alarm done. I think I need the passlock module because the car won't start with the alarm. It fails all 3 attempts everytime. I tested the tach and it's fine. I also went though the programing steps for learning the tach several times as well. I'll check out the parts you recommended. I have to order something to make it work by sunday. I understand how transponders work but I would like to learn more about this GM Passlock stuff.

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You need to have a GOOD digital multi-meter. Measure the voltage between the R-code and Common wire while the vehicle is running. Write this number down on a piece of paper. The module reproduces the measured voltage when its triggered by a ground while running output from the remote start!

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or you could just hook up a 555L, and leave the meter on the bench ....

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Kevin Gerry
Certified Electronics Technician
MECP First Class Installer

Owner/Installer
Classic Car Audio
since 1979

well thanks for all your input. I've done some research and checked out a few different bypass modules. I've decided to go with the new module from crime stopper (gm-u.7). I'm checking out the instructions and it looks to easy to be true. I'm installing it on monday, and I'll post my results.

I do have one question I'm sure one you guys (or girls) can answer. They make reference to the Diagnostic Plug and show a view from the front located below the dash. I saw two plugs one was larger then the other. How do I make sure to have the right one. Unless it is the only 16 pin plug, in that case I guess I don't have a question after all.

Thanks again, I hope I can share a successfull story come monday night.

Doing something for the first time is always scary. But once it's done you never have to do it for the first time again!

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Or you could use a relay and a resistor and save $15 and be done......

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Mike Battaglia
Specialized Car Audio
Bensenville IL 60106

There is only ONE OBD connector. Nothing else even looks like it under the dashIm bettin your lookin rite at it!

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well I already bought the gm-u.7 so I plan to use it monday but I would really like to know how to do it with a rely and a resistor. can you tell me how?

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For $7 you could have bought the GMATT-II on Ebay like I did and use relays for the doorlocks- I just did a '99 Tahoe last weekend- but you are right the GM-U7 does it all- I just put one on a "04 Silverado 2 nights ago- fantastically simple- no doorlocks relays or transponder connections- can now do a truck in 1 1/2 hrs.....

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Brcidd - Engineer That Does Remote Starter Installs on the side.

you shouldnt even need relays for the locks provided your keyless/start unit has +/- lock outputs, however if its an 03+ chevy, then ya you need a lock interface module. i love installing starters on these trucks..... 1/2 hour tops.

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Mike Battaglia
Specialized Car Audio
Bensenville IL 60106

you can use the 456g module it does everything and is easy to do it

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how own your mind, control your life.
MECP certified. always use a DMM

well on monday i put in the gm-u.7, I already had the doorlocks working with the starter so I didn't need to connect those. I only connected the output data wire, input (-) igition, input (+)12 volt, and input (-) ground. It worked perfect the first time. Programing only took seconds. Awesome product.

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