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1992 Pontiac Firebird Security

Tiny
BDOGG0070
  • MECHANIC
  • 1992 PONTIAC FIREBIRD
  • V8
  • 2WD
  • MANUAL
  • 216,069 MILES
My Firebird has had an issue reading the key to start. Once I made a new key it did not have this problem. Now all of a sudden it acts as if it has it locked out again. Turn the key on everything works. Try to start and nothing. No click or anything just like it did when the security light would stay on. Well the security light doesnot even come on. Any suggestions to get my car back on the road would be very appreciated
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Thursday, October 14th, 2010 AT 9:45 PM

6 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Battery has a full charge and connections are good? I can't help you bypass the theft system. In the diagram, the two circuits on top of the enable relay are voltage. On the right, the coil side of relay, ground for the coil side of relay is at the decoder module. On the left side of relay is the load side. When the relay is energized, that line with the arrowhead switches to the other terminal, that voltage goes through the clutch switch, from there to the purple wire at the starter solenoid. Any testing make sure the tranny is in neutral and the e-brake is set.


https://www.2carpros.com/forum/automotive_pictures/170934_firebird_starter_circuit_1.jpg

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Thursday, October 14th, 2010 AT 10:02 PM
Tiny
XTREMEMODIFIER
  • MEMBER
  • 29 POSTS
Manual transmission, so neutral shouldn't matter (yes, started mine in gear, E-brake off).

I'd say it's probably the ignition switch. Just my bet, but yeah.
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Tuesday, October 19th, 2010 AT 5:10 PM
Tiny
BDOGG0070
  • MECHANIC
  • 42 POSTS
No it was the anti theft. It had fried! I found a man that knew how to bypass it completely. Thank God because that would be really expensive to replace. All he did was track down the wires and spliced two of them with a single ground. I don't know how it worked but it cranks and runs now. Thanks for all the advice!
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Wednesday, October 20th, 2010 AT 10:59 AM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
According to forum rules, they don't want me telling anybody how to bypass anything. It's a safety issue. Goodluck
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Wednesday, October 20th, 2010 AT 11:53 AM
Tiny
XTREMEMODIFIER
  • MEMBER
  • 29 POSTS
And I certainly don't want a "how to steal a (xyz year range) F-body" on the internet. Or any other car for that matter. Any car is, of course, stealable, it's just a matter of whether it's worth anyone's effort to steal something worth (what xyz is worth) to go through the effort.

Good to hear it worked out for you alright bdogg.

- JR
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Wednesday, October 20th, 2010 AT 5:23 PM
Tiny
BDOGG0070
  • MECHANIC
  • 42 POSTS
I understand but yeah athat guy bypassed it for me and now it cranks everytime! I love it! It shouldn't be a safety issue on that cause my 88 camaro doesn't have the antitheft on it. I just figure it is just like that now.
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Wednesday, October 20th, 2010 AT 5:27 PM

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