1999 5.3 liter Vortec V-8-antitheft

["c y k" <ckyk@eudoramail.com>]

Thanks a bunch.  You were right on.  Talked to my stereo guy and he routinely by-passes the antitheft feature much as you outlined.  Can't believe that a couple of companies wanted $250 to do this.  Well, hard to argue with rampant capitalism.  

On Tue, 27 Jun 2000 18:25:42   Programmer wrote:
>If this uses the "bulb" test through the key sequence, you can fool the
>system with 3 relays and a measured resistance of the bulb circuit...BTDT.
>If this
>uses an different system for anti-theft, just contact the guys that install
>remote start
>systems all the time...we have to start 'em without the key.
>Lyndon.
>-----Original Message-----
>From: c y k <ckyk@eudoramail.com>
>To: gmecm@diy-efi.org <gmecm@diy-efi.org>
>Date: June 25, 2000 6:11 AM
>Subject: Re: 1999 5.3 liter Vortec V-8
>
>
>>I didn't ask Howell for a price, since it wouldn't have done me any good.
>The parts/service people at my local GMC store said that the antitheft began
>in 1998, sometime.  I'm going to try to make the stock harness work, too,
>then worry later if it doesn.  Heard from someone whose done a transplant
>into an FJ 40 , that he used the stock harness and a GM service manual with
>wiring diagram.  Charles
>>--
>>
>>On Fri, 23 Jun 2000 21:26:44   Mike wrote:
>>>I have a 99 5.7 vortec, the old style, is there a antitheft with these
>also?
>>>I know the key deoesnt have the resistor like my camaro does. Also how
>much
>>>was a harness from howell? are these factory harnesses hard to make work
>in
>>>a older car? I have the the complete engine harness and computer.  later
>>>
>>>Mike
>>>
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