Code Alarm 545 or 645
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=50280
Printed Date: July 28, 2025 at 10:36 AM
Topic: Code Alarm 545 or 645
Posted By: scout238
Subject: Code Alarm 545 or 645
Date Posted: February 16, 2005 at 9:26 PM
Hi, I'm looking into getting a code alarm 545 or 645. I was wondering if any of you have an installation manual or any documentation for either of the systems? Thanks, Nathan
Replies:
Posted By: metaverse
Date Posted: February 16, 2005 at 9:29 PM
Neither.. Don't touch the circuit city nonsense..You have to buy a brain..a siren..remote..all extra options.. Go with the CA-640..includes everything. around $120-$140 shipped.. Ebay is one source..
CA-640 install manual
Posted By: tjdurham
Date Posted: February 16, 2005 at 10:23 PM
buy on ebay get no warranty
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tj
Posted By: JoshV
Date Posted: February 17, 2005 at 3:34 AM
metaverse wrote:
Neither.. Don't touch the circuit city nonsense..You have to buy a brain..a siren..remote..all extra options.. Go with the CA-640..includes everything. around $120-$140 shipped.. Ebay is one source..
CA-640 install manual
At CC you can buy the 645 for like 110 and the 425(brain) for 50. And that includes everything. So for just a bit more you can buy it today and install it right away.
Posted By: metaverse
Date Posted: February 17, 2005 at 5:39 PM
CA-645 is not the same alarm as CA-640..completely different animals.. Do your research accordingly..
Buying anywhere else also won't give you warranty either.. My suggestion was merely to get an idea. These vendors want a dealer to install it. Designtech is one self install vendor that will allow a end-user warranty. Crimestopper is another one..at least as from my experience with their support dept. If you are technically adept, and want to learn more about this, buy the product and install it yourself. It can be quite a learning experience and the satisfaction of job well done..
Posted By: JoshV
Date Posted: February 17, 2005 at 8:39 PM
That install manual makes me want to see the brain for that system. Do you have any pics? It looks like it would be super easy to make a really good pre-wire.
Posted By: metaverse
Date Posted: February 19, 2005 at 2:03 AM
Unfortunately no. no pics of CA-645 or CA-425 master module..at least I don't have them..lol
Posted By: JoshV
Date Posted: February 19, 2005 at 11:41 PM
metaverse wrote:
Unfortunately no. no pics of CA-645 or CA-425 master module..at least I don't have them..lol
No I was wondering if you had pics of the 640. I have installed crap loads of 425's. I have went rounds with those damn things. I am have just never seen the 640 and its manual sparked my interest. It looked like a totally different master module. Is that an older unit?
Posted By: metaverse
Date Posted: February 21, 2005 at 12:08 AM
I believe it is older than the circuit city branded unit.. Here is an ebay auction with the image of the brain: Pick Me
Posted By: Bmnicolosi
Date Posted: February 21, 2005 at 10:43 AM
there is a new CA brain that is alot smaller the model is 425a. alot better than the 425 because of the size.
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If you say "I already know how", don't ask me a single question.
Posted By: JoshV
Date Posted: February 21, 2005 at 10:59 PM
Bmnicolosi wrote:
there is a new CA brain that is alot smaller the model is 425a. alot better than the 425 because of the size.
yeah I installed one of those the other day. Its a nicer layout, and pre-wire is much easier. Hopefully they dont have the same issue with "lock up mode" as the 425 did.
Posted By: Hornshockey
Date Posted: February 27, 2005 at 11:00 PM
As long as we're on the subject; I've done quite a few installs of the CA645/545 series and I have one question I haven't been able to get answered. There's a small box (almost looks like a miniature relay; but with only 2 wires) included with the 645 but there's no mention of it in the documentation. I've consulted with several installers with years of experience with this line and they've said they don't know and just never use it. Just wondering if anybody could provide some insight?
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Life moves pretty fast; if you don't stop and look around once in a while; you could miss it.
Posted By: pdzcallday
Date Posted: April 13, 2005 at 9:12 PM
Hood Pin. If it is the same thing i am thinking of. They swiched there hood pins to the lquid hood pin. I THINK.
Posted By: jazzy95tsi
Date Posted: April 14, 2005 at 9:11 AM
For The CC RF Programmer ------------- Jeff 
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