99 Grand-Am with DEI 555L
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=72498
Printed Date: May 01, 2025 at 12:15 PM
Topic: 99 Grand-Am with DEI 555L
Posted By: smitty24
Subject: 99 Grand-Am with DEI 555L
Date Posted: February 09, 2006 at 9:39 AM
I have a Code Alarm remote start installed with a DEI 555L, on my 99 Grand-Am with Passslock II but cannot get the security light to go out. I have cut the yellow resistance wire on the ket cylinder and attached it with the yellow and BLACK / YELLOW from the DEI Unit resopectively. I can get the car to start with the key and with the remote start, and it stays running but the "security" light in the dash stays on after starting iteither way. It seems to me that the DEI module has learned the R Code, because it starts the car, but why does the in dash "security" light stay on afterwards. It has no other anti-theft device that I know of. Really pulling my hair out on this one. Smitty
Replies:
Posted By: mo12v
Date Posted: February 09, 2006 at 9:45 AM
Where did you hook up BLACK ( reference ) wire from 555L?? Also did you power up all Ignition wires? ------------- MO
Don't Learn from Others Mistakes
You Might Be the One That Knows.
Posted By: smitty24
Date Posted: February 09, 2006 at 9:50 AM
Black wire is connected to the black wire on the key cylinder from the Passlock 2 wires. This is the one you would measure for the resistance measurement to the key side of the ignition switch right? Yes all ignition wires are connected because the blower and AC/heater all work just fine when it is running.
Posted By: smitty24
Date Posted: February 09, 2006 at 9:51 AM
What do yo mean "Power up" all igntion wires? They are all connected if thats what you mean. Smitty
Posted By: iskidoo
Date Posted: February 09, 2006 at 2:45 PM
They have to remain powered during crank, not drop out and then come back. the ignition wires anyway. Have you tried relearning the bypass resistance? Do you have the yellow wire (from 555L) going towards the (key side) of the cut yellow passlock wire?
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Steve G
Posted By: smitty24
Date Posted: February 09, 2006 at 3:56 PM
Steve, I will double check to make sure that the ignition wires I am using don't drop off during cranking. Yes the yellow wire is connected to the yellow wire on the key side of the ignition switch not towards the BCM. The yellow/black from the DEI 555L is going towards to BCM side of the yellow wire. When you say relearn the Bypass resistance you do you mean start it with the key, and let it run for a minute or so correct! I don't know how many times I have tried that if that is it. I will let you know what happens. Smitty
Posted By: customak47
Date Posted: February 10, 2006 at 9:03 PM
Swap it out.... so many junk 555L's.... use dbpass23 or gm-bp....hooks up to obd port purple wire direct data interface works best
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My rifle is my friend...
Posted By: tom badger
Date Posted: February 10, 2006 at 11:07 PM
I agree with customak47. Sounds like the 555L is not learning the proper resistance. I'll bet if you check the voltage on your passlock 2 wires, you'll find a difference when you check them after starting with the key and after remote starting. Chances are, the voltage measurment when starting with the key is lower than after you remote start.
If this is the case, the 555L has not learned the proper code, is defective, and should be replaced.
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The Badger
Posted By: iskidoo
Date Posted: February 11, 2006 at 7:20 AM
What did you use to make your connections between the bypass wires and the passlock II wires?
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Steve G
Posted By: gus1
Date Posted: February 11, 2006 at 1:35 PM
Also, the ground at the key for the Passlock isn't the best ground out there. Try grounding the 555L in the kick with the rest of the starter.
You didn't use the bulb check or the purple wire, right?
I think out of the 100 or so 555L that we have used in the past year, we have had no failures whatsoever. Pretty solid, reliable box.
Also, make sure the pink and green at the key are coming up as ignitions from the remote start, the orange is an accessory, the brown accessory is not required. Make sure the pink on the 555L is connected to the pink ignition.
Gus
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Wherever I go, that is where I end up......
Posted By: brcidd
Date Posted: February 11, 2006 at 6:59 PM
Last time this happened to me- I found the power to the bypass DROPPED OUT during crank- It was an accessory, not an ignition wire- the R/S was not set right from the factory- had to move the jumper inside....just a thought you need to make sure your bypass is powered during crank as well....
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Brcidd - Engineer That Does Remote Starter Installs on the side.
Posted By: streetdream
Date Posted: February 11, 2006 at 8:33 PM
Just do it the old fashioned way with a resistor and relay. This way even if the relay goes bad the car will still start. Can't tell you how many 555L/556L I have thrown away in my life because they went bad after prolonged use and the customer's vehicle wouldn't start.
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