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Blazzer 4.3 1999 delco immo off
03-08-2020, 15:42 PM,
Post: #1
MChevrolet  Blazzer 4.3 1999 delco immo off
Hello, can somebody help me with immo off on delco ecu
09360605 couse i have problems with passlock 2 system  and car crank but not start


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04-08-2020, 07:57 AM,
Post: #2
RE: Blazzer 4.3 1999 delco immo off
Please ,somebody help me
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04-08-2020, 11:39 AM,
Post: #3
RE: Blazzer 4.3 1999 delco immo off
Have you tried a Passlock bypass, there is info all over the net.

I have never seen a manual solution for these, but HPTuner can remove it.

If someone took the time to help you, the least you can do is take a few seconds and press two buttons! 

Thanks [Image: tyl_add.png] + [Image: postbit_reputation.gif] reputation.


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04-08-2020, 13:06 PM,
Post: #4
RE: Blazzer 4.3 1999 delco immo off
(04-08-2020, 11:39 AM)Clusters Wrote:  Have you tried a Passlock bypass, there is info all over the net.

I have never seen a manual solution for these, but HPTuner can remove it.
yes but car wont start
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04-08-2020, 13:25 PM, (This post was last modified: 04-08-2020, 13:27 PM by Clusters.)
Post: #5
RE: Blazzer 4.3 1999 delco immo off
Are you sure it is a passlock problem?  What are the codes in the ECM/BCM? Did you do the relearn properly?

Did you do the bypass correctly? 

Cut the Yellow wire and connect a 2200 Ohm resistor between the truck side of the yellow wire to the Orange/Black wire.

1.  Attempt to start the truck, then release the key to RUN (do not turn to OFF) and wait 11 minutes or until the security light goes out.

2.  Turn the key OFF for 5 seconds, then attempt to start again, then release the key to RUN (do not turn to OFF) and wait 11 minutes or until the security light goes out.

3.  Turn the key OFF for 5 seconds, then attempt to start again, then release the key to RUN (do not turn to OFF) and wait 11 minutes or until the security light goes out.

4.  Turn the key OFF for 5 seconds, then start the truck.

**NOTE** The last cycle to OFF before attempting to start the truck is important.

If someone took the time to help you, the least you can do is take a few seconds and press two buttons! 

Thanks [Image: tyl_add.png] + [Image: postbit_reputation.gif] reputation.


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[-] The following 1 user says Thank You to Clusters for this post:
  • Vhadeev
04-08-2020, 13:33 PM,
Post: #6
RE: Blazzer 4.3 1999 delco immo off
(04-08-2020, 13:25 PM)Clusters Wrote:  Are you sure it is a passlock problem?  What are the codes in the ECM/BCM? Did you do the relearn properly?

Did you do the bypass correctly? 

Cut the Yellow wire and connect a 2200 Ohm resistor between the truck side of the yellow wire to the Orange/Black wire.

1.  Attempt to start the truck, then release the key to RUN (do not turn to OFF) and wait 11 minutes or until the security light goes out.

2.  Turn the key OFF for 5 seconds, then attempt to start again, then release the key to RUN (do not turn to OFF) and wait 11 minutes or until the security light goes out.

3.  Turn the key OFF for 5 seconds, then attempt to start again, then release the key to RUN (do not turn to OFF) and wait 11 minutes or until the security light goes out.

4.  Turn the key OFF for 5 seconds, then start the truck.

**NOTE**  The last cycle to OFF before attempting to start the truck is important.
i have tried this , security lamp doesnt go out.
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