remote starter in 05 equinox
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=125491
Printed Date: May 12, 2025 at 2:02 PM
Topic: remote starter in 05 equinox
Posted By: spankeds10
Subject: remote starter in 05 equinox
Date Posted: January 06, 2011 at 6:18 AM
Tring to install a remote starter. I am using a compustar unit with dei 556lw and a relay wired up to do the nec voltage drop to start the truck. got it to remote start once but "security lock" light stayed on and car died out. I assume this is because it doesnt know the key resistance code. Ive tried programming the 556lw to learn the code. Followed directions, cycle key twice then start it for 10 seconds and led will flash. Problem is it doesnt flash so i dont think its programing properly. ive tried all i can think of to program but am unable. Any ideas?
Thanks in advance
Replies:
Posted By: kreg357
Date Posted: January 06, 2011 at 6:44 AM
Does the Equinox start OK with the key? (Just to make sure you are not in short or long tamper mode.)
Did you connect the remote starts (-) Status Output ( GWR ) to the vehicles Keysense wire? ( If you only have one (-) Status Output wire, you must diode isolate the 556LW bypass module. ) Keysense is (-)Light Green at ignition switch or BCM gray 24 pin plug Pin A8.
Double check all the 556LWs wiring. Ensure the Pink Ignition wire is connected and seeing +12v with ignition ON. ------------- Soldering is fun!
Posted By: spankeds10
Date Posted: January 06, 2011 at 6:52 AM
It does start ok with the key. Right now the gwr wire is connected to the blue status wire on the 556lw. should it also be connected to the key sense wire on the bcm?
Posted By: kreg357
Date Posted: January 06, 2011 at 6:56 AM
Yes, Keysense should be connected to the remote starter. Remember to diode isolate the bypass module.
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Soldering is fun!
Posted By: spankeds10
Date Posted: January 06, 2011 at 7:02 AM
ok 2 part question. 1 - is this the reason why the 556lw wont program the resistance code and 2 - what time diode, and how is it installed? do i connect one side of the diode to the bypass module and the other to the remote starter gwr and the key sense wire? how do i now which way the diode goes? sorry if these are stupid quiestions, this is my 3rd remote start install but the one that has given me the most trouble.
Posted By: kreg357
Date Posted: January 06, 2011 at 7:53 AM
Probably not. Keysense is required to keep Service Required light from coming on. A standard 1N4001 diode
( available from RadioShack ) is soldered in line with the Status Out wire going to the cars Keysense wire.
See diagram :
Did you power both accessory wires? Orange and Brown wires at ignition switch. ------------- Soldering is fun!
Posted By: spankeds10
Date Posted: January 06, 2011 at 7:59 AM
Thanks for the diagram. I know the orange one is powered but i cant remember if the brown is. Ill have to check again to double check. Do you think the 556lw is faulty since i cant get it to program?
Posted By: kreg357
Date Posted: January 06, 2011 at 8:09 AM
They can be touchy to program. The final confirmation LED flash can be difficult to notice. Make sure all your connections are correct and soldered. ( I have used 556LW's but because the ignition on /off, on/off programming sequence conflicts with some remote starter programming sequences, I switched to iDatalink products a while ago. )
If both accessory wires are not powered, you can get a Passlock light. ------------- Soldering is fun!
Posted By: monty_77
Date Posted: January 06, 2011 at 3:28 PM
not sure about that bypass but most of the passlock 2 ones don't want you to hook up the status(ground while running wire) tell after its programed or it can learn the wrong resistance
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Posted By: zerepdivad
Date Posted: January 06, 2011 at 9:18 PM
I always do the 2 relay trick on equinox's since my coworker was having all kinds of issues with an xk06, as well as a flcan with it learning and programming properly but would lock the customer out at randome times.
i then went ahead and bypassed it with 2 relays and a resistor and all has been well.
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A DMM is a beautiful thing.
MECP Advanced Installer Certified.
Posted By: kreg357
Date Posted: January 07, 2011 at 5:32 AM
Did a loaded 05 Equinox LT a while ago with an iDatalink ADS DL module flashed with the GM4 firmware. This vehicle had the factory alarm so the iDatalink module was the easy way to go. Didn't have to cut the Passlock2 wire, only 4 wires to connect from the bypass to the car, handled the locks, alarm & Passlock2 and programmed first time with no issues.
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Soldering is fun!
Posted By: spankeds10
Date Posted: January 07, 2011 at 6:55 AM
zerepdivad wrote:
I always do the 2 relay trick on equinox's since my coworker was having all kinds of issues with an xk06, as well as a flcan with it learning and programming properly but would lock the customer out at randome times.
i then went ahead and bypassed it with 2 relays and a resistor and all has been well.
what do you mean 2 relays and a resistor?
Posted By: kreg357
Date Posted: January 07, 2011 at 7:02 AM
It is a way to bypass the vehicles Passlock2 immobilizer system during remote start. Here is a link to a diagram and procedure : https://documents.audiovox.com/700054.pdf If you have the tools and parts, it is a very good and fairly inexpensive way to accomplish the bypass. ------------- Soldering is fun!
Posted By: spankeds10
Date Posted: January 07, 2011 at 7:20 AM
that maybe the way to go. Let me ask this of those who have used or are familar with the 556. when program. i turn the key on once, after about 1 sec the led lights, switch the key off, then back on again, after 1 sec the led lights again. switch it off again and then start the vehicle. the led stays lit and never blinks like it says it should. ive also tried starting on 2nd key cylce, am i missing something?
Posted By: kreg357
Date Posted: January 07, 2011 at 7:44 AM
Your programming sounds OK. You might try going faster with the ON/OFF cycles.
If the light never does the final blink, then it is probable that it never learned the Passlock2
resistance. Double check your wiring. The Black wire from the 556LW Harness 1 should be soldered
to the cars Passlock2 Black Passlock2 reference wire. The cars Passlock2 Yellow wire should be cut.
The 556LW Yellow wire from Harness 2 should be soldered to the Key ( ignition switch ) side and the
556LW BLACK / YELLOW wire should be soldered to the BCM side of the cut Yellow wire. As mentioned before
it is sometimes necessary to temporarily disconnect the (-) Status Input wire while programming. ------------- Soldering is fun!
Posted By: tedmond
Date Posted: January 07, 2011 at 2:08 PM
the passlock diagrams, i found using 1 relay does the trick as well. not sure why 2 was needed? ------------- Ted
2nd Year Tier 1 Medical School
Still installing as a hobby...pays for groceries
Compustar Expert
Posted By: zerepdivad
Date Posted: January 07, 2011 at 2:17 PM
tedmond wrote:
the passlock diagrams, i found using 1 relay does the trick as well. not sure why 2 was needed?
often times using only one relay will trip the security light on the dash to be on after remote start. i know on chevy trucks that happens if you only use 1 relay. ------------- A DMM is a beautiful thing.
MECP Advanced Installer Certified.
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