2002 gmc envoy, alarm/remote start
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=101537
Printed Date: July 07, 2025 at 7:48 PM
Topic: 2002 gmc envoy, alarm/remote start
Posted By: vanste
Subject: 2002 gmc envoy, alarm/remote start
Date Posted: January 24, 2008 at 9:56 PM
i have a 02 envoy that i tried to install an alarm to it. the car still has its factory alarm/keyless entry. im almost done with everything except the door part. it seems that i wont lock or unlock at all. it came with a 451M which i tried to use it, but it still didnt work. i tried what people on here say, which is purple to 12V, blue and green to lock/unlock, and brown and white to ground and that didnt work. another thing is that it also came with 2 5 pin relays, am i suppose to wire those relays seperate from the 451M or together? also another question is do i need any other bypass module or anything like that? im also looking for the remote start harness (H3) for the clifford matrix 2.5x but cant seem to find any because i want to have remote start and my alarm didnt come with one, is there a plkace where i can go get it online, at the store, or can i use the bulldog remote start harness? also im pretty sure im going to need a bypass module for the remote start but which one should i get.
Replies:
Posted By: hydroz_23
Date Posted: January 24, 2008 at 11:03 PM
if you are trying to connect the locks from aftermarket alarm. do not attempt the way that you stated, that is to wire up actuators. get a module like a 457gw, 1700g, xk01-amdl, gm-dlbp, as-gmdlto3 and there is a bunch more. these will all save you alot of time and frustration. theses will also all work for remote start too, except for as-gmdlt03 will only do locks. the only other way is to go into 3 doors, a 4 relays, or solder to factory relays. not worth it
Posted By: Mike M2
Date Posted: January 25, 2008 at 6:45 AM
First, yes get a bypass. It will do all the fuctions you need like doorlocks and baypass the Passlock. Don't use the 457G, it has a problem and most won't lock the back door. I like the 1700G, works well in the truck and will also give you 2 stage unlock plus arm/disarm the factory alarm. Don't bother with the 451M.... ------------- Mike M2
Tech Manager
CS Dealer Services
Posted By: vanste
Date Posted: January 25, 2008 at 12:16 PM
ok i will go get the 1700G bu as far as the plug for the remote start, where can i go get a replacement harness for it. since mine didnt come with one it has a spot to plug it in the alarm brain itself i just dont have the harness. can i use any harness like for example on from bulldog will that work, will that plug and play or do i have to get one of the exact model. if so where can i find one, ive tried searching online and on ebay but cant seem to find any, please help me on this...
Posted By: hydroz_23
Date Posted: January 25, 2008 at 6:35 PM
just go to local shop and ask the installers if they have it. that will probably be the best way. usually they have a ton of that stuff laying around.
Posted By: vanste
Date Posted: January 28, 2008 at 8:41 AM
still no luck, i asked a couple shops around and they still dont have the harness anyone...
Posted By: vanste
Date Posted: February 01, 2008 at 8:51 AM
i just got my 1700g module for my 2002 GMC Envoy. my main concern is that there is a pink and a pink/black wire. am i suppose to hook that up too? because on the manual it says that for passlock II vehicle dont use the wiring diagram they sent with the unit? i was wondering if theres another way to wire it up or do i not need to wire it up. if i do can anyone help, diagram would be great, thanks alot...
Posted By: hydroz_23
Date Posted: February 01, 2008 at 5:56 PM
dont use the pink and pink black. just wire it up how it says just dont use the pinks they are for pk3. i never use the keysense(violet/black) or the panic(BROWN / white). very easy.
Posted By: jcucullu
Date Posted: February 02, 2008 at 3:06 AM
What is the problem with the 457GW? My mechanic used this when trying to instal a Audiovox prestige, mod APS905. After trouble shooting with the help line they said the APS905 module was bad, wouldn't initiate. After removing and installing a new one, the 457GW would only start the car but turn off automatically. The 457GW had to be disconnected to start and run the car. Any idea what the problem might be? Can't seem to find any help on this particular bipass module. Thanks ------------- JC
Posted By: vanste
Date Posted: February 04, 2008 at 11:14 AM
so dont use the violet/blac and BROWN / white (keysense)? why is that, j/w? another thing i rant to is that my battery is dead if i park it over night, any ideas? iam currently running a viper 791xv instead of the clifford now. can anyone help with my dead battery issue? step-by-step procedures will be great too... yea an im using a 1700g bypass...
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