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My 89 5.0 wont start

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Old Jul 27, 2010 | 01:31 PM
  #1  
big_kahunas's Avatar
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From: Pendleton, Indiana
Car: 1989 Firebird TBI
Engine: 5.0
My 89 5.0 wont start

Hi everyone, long time reader first time poster.

I am having a lot of issues but the first one I would like to address is: How do i get my car started. I bought this about 2 months ago, drove it home and there it sat. It is a TBI to carb conversion with a manual fuel pump switch. I flip the switch and the pump comes on but when i turn the key nothing. After reading what i would on here i'm guessing battery, starter, or ignition.

If you want to answer another one:

Why is it when i turn hard right my check engine light comes on but when i turn hard right it comes off? All fluids are topped off.

Thanks for all your help.
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Old Jul 27, 2010 | 04:46 PM
  #2  
camaronewbie's Avatar
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Joined: Sep 2002
Posts: 9,192
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From: Cary, North Carolina
Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
Axle/Gears: 3.42 posi
Re: My 89 5.0 wont start

is it clicking or anything?
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Old Jul 27, 2010 | 05:20 PM
  #3  
big_kahunas's Avatar
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Joined: Jul 2010
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From: Pendleton, Indiana
Car: 1989 Firebird TBI
Engine: 5.0
Re: My 89 5.0 wont start

Nope, i just looked and i have lights also.
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Old Jul 27, 2010 | 05:40 PM
  #4  
camaronewbie's Avatar
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Joined: Sep 2002
Posts: 9,192
Likes: 19
From: Cary, North Carolina
Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
Axle/Gears: 3.42 posi
Re: My 89 5.0 wont start

What year?
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Old Jul 27, 2010 | 06:01 PM
  #5  
big_kahunas's Avatar
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Joined: Jul 2010
Posts: 18
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From: Pendleton, Indiana
Car: 1989 Firebird TBI
Engine: 5.0
Re: My 89 5.0 wont start

Its an 89
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Old Jul 27, 2010 | 08:03 PM
  #6  
camaronewbie's Avatar
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Joined: Sep 2002
Posts: 9,192
Likes: 19
From: Cary, North Carolina
Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
Axle/Gears: 3.42 posi
Re: My 89 5.0 wont start

If it's not doing anything at all, I'd suspect the VATS system. https://www.thirdgen.org/vats

Might be starter enable relay, nuetral safety switch, ignition switch, a bad ground, any number of things. Take battery out and have tested. If it's good, check the main grounds (battery to body and engine, engine to body). Then check the starter circuit by reading through http://www.austinthirdgen.org/index.php?pid=38

The ground for the starter enable relay is supplied by the VATS - so if there's no ground on that relay, then look into the VATS above.
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Old Jul 28, 2010 | 06:29 AM
  #7  
big_kahunas's Avatar
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From: Pendleton, Indiana
Car: 1989 Firebird TBI
Engine: 5.0
Re: My 89 5.0 wont start

The key to start the car does not have a chip in it. Does this mean the VAT security has been removed from the car and that can't be the problem?

I'm picking up a new battery tonight.

Thanks
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Old Jul 28, 2010 | 10:43 AM
  #8  
camaronewbie's Avatar
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Joined: Sep 2002
Posts: 9,192
Likes: 19
From: Cary, North Carolina
Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
Axle/Gears: 3.42 posi
Re: My 89 5.0 wont start

No pellet in key means that someone has bypassed the VATS in the past I guess. But it cannot be removed. So it could be that whatever they did for a bypass is no longer working. Take a look at that tech page for the VATS, and then look under the steering column and see if you can find the resistor that would have been put in place to bypass VATS - maybe it's come undone.
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Old Jul 31, 2010 | 11:08 AM
  #9  
big_kahunas's Avatar
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Joined: Jul 2010
Posts: 18
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From: Pendleton, Indiana
Car: 1989 Firebird TBI
Engine: 5.0
Re: My 89 5.0 wont start

Update: I replaced a couple of wire to the battery, a couple fuses, and the battery and she started started right up. Thanks
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