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Old May 26, 2013 | 08:20 PM
  #1  
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Car: 1987 Pontiac Trans Am GTA
Engine: 5.7L TPI
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Car wont start

So im trying to get my project up and running. I have replaced the battery, alternator checked and is good as well as the starter. I don't know where to go from here. I am a novice but trying to self teach myself to trouble shoot. Any suggestions as to what I should do next? By the way its a stock L98 TPI and the only thing that comes on is the dash.
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Old May 26, 2013 | 08:26 PM
  #2  
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Car: 92 Firebird, 77 Trans Am SE, 86 Z28
Engine: 5.7 HSR, T/A 6.6, empty
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Axle/Gears: 3.08 posi, 3.23 posi, 3.23
Re: Car wont start

You gotta give us more info. I assume it doesn't crank? Does it make any noise at all? Like a click. Is there power to the starter? Do the dash lights come on when you put the key to RUN?
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Old May 26, 2013 | 09:53 PM
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Re: Car wont start

Originally Posted by DirtyBird87
I don't know where to go from here.
Google

http://www.dummies.com/how-to/conten...ont-start.html
http://autorepair.about.com/od/troub...s_no-start.htm
http://www.caradvice.com.au/37/car-d...-doesnt-start/
http://mechanics.stackexchange.com/q...ine-in-the-car
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Old May 26, 2013 | 09:58 PM
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Car: 1987 Pontiac Trans Am GTA
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Transmission: Auto
Re: Car wont start

The car does not crank, click or do anything. It has the digital dash and it makes a chirping sound and the gauges light up when the key is in run. I have had the battery, alternator and starter tested and they all passed. Maybe im dealing with electrical gremlins?!?
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Old May 27, 2013 | 02:45 AM
  #5  
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Axle/Gears: QP 9" 3.73
Re: Car wont start

Originally Posted by DirtyBird87
Maybe im dealing with electrical gremlins?!?
Did you read any of the No start links I posted for you above ?
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Old May 27, 2013 | 10:06 PM
  #6  
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Re: Car wont start

Originally Posted by vetteoz
Did you read any of the No start links I posted for you above ?
Sure did Vette and thanks for posting those llinks. I didn't try the ignition switch and I have no clue as to where or how to check that out.
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Old May 28, 2013 | 08:47 PM
  #7  
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Car: 1987 Pontiac Trans Am GTA
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Re: Car wont start

Where is the ignition switch? What should I do to test it?
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Old Jun 2, 2013 | 05:25 PM
  #8  
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From: San Diego, CA
Car: 1987 Pontiac Trans Am GTA
Engine: 5.7L TPI
Transmission: Auto
Re: Car wont start

So I replaced all the fuses in the fuse box and now I can hear the fuel pump prime when I turn the key forward! Still cant get the car to crank up or make any noise. With the key turned forward without starting, the dash lights up, SES light stays on and then there are two beeps. All accessories work like headlights, power mirrors, dome, power windows. Now when I turn the car to start it up the dash lights dim almost completely but the SES and Brake light stays on. Any ideas or things I may have missed?
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Old Jun 2, 2013 | 05:40 PM
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From: San Diego, CA
Car: 1987 Pontiac Trans Am GTA
Engine: 5.7L TPI
Transmission: Auto
Re: Car wont start

I read all the links that vetteoz posted again and I have narrowed it down to ignition switch. I have never changed out an ignition switch and I don't even know where to look or what to do to test it. Help me out fellas.
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Old Jun 2, 2013 | 07:41 PM
  #10  
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Car: 1987 Pontiac Trans Am GTA
Engine: 5.7L TPI
Transmission: Auto
Re: Car wont start

I got a new ignition switch. Just cant figure out where it is on the car. I have used the search and google and all its telling me to do is lower the steering column(no pictures or write up). How do you lower the steering column? Jump on in and help out guys.
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Old Jun 2, 2013 | 08:56 PM
  #11  
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Car: 1986 Z28
Engine: 350 Q-Jet
Transmission: 700R4
Re: Car wont start

I'm not an expert but I do know you'll want to start removing stuff in the way starting with the steering wheel. All I've done is change a steering wheel so I'm not much help but you should be able to see behind the wheel you can start removing stuff to get to where the igintion goes in and a retainer clip that holds it in place. I'm sure someone who knows will post more detail.
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Old Jun 2, 2013 | 09:44 PM
  #12  
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Car: 1988 Base Coupe
Engine: 350
Transmission: T5
Axle/Gears: 9 bolt w/ disk brakes - 3.70
Re: Car wont start

the ignition switch is ON the column, NOT IN the column. Look under the dash and there is a bracket with 2 nuts that hold up your steering column. There is a rod that goes from the lock cylinder in the column that you put your key in, down to the ignition switch.
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Old Jun 2, 2013 | 10:35 PM
  #13  
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: Car wont start

Originally Posted by DirtyBird87
I got a new ignition switch. Just cant figure out where it is on the car.
That would be the main benefit of owning a service manual if you plan to work on your car

Originally Posted by DirtyBird87
I have used the search and google and all its telling me to do is lower the steering column .
SEARCH harder
https://www.thirdgen.org/forums/post...71-post19.html

You might want to bookmark this in case you want to replace the ignition key barrel mentioned in post # 11
https://www.thirdgen.org/forums/post...940-post4.html
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Old Jun 3, 2013 | 08:14 AM
  #14  
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From: San Diego, CA
Car: 1987 Pontiac Trans Am GTA
Engine: 5.7L TPI
Transmission: Auto
Re: Car wont start

Originally Posted by excessiveego
the ignition switch is ON the column, NOT IN the column. Look under the dash and there is a bracket with 2 nuts that hold up your steering column. There is a rod that goes from the lock cylinder in the column that you put your key in, down to the ignition switch.
Thanks for the info. I will try that out when I get a chance to.
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Old Jun 3, 2013 | 08:32 AM
  #15  
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From: San Diego, CA
Car: 1987 Pontiac Trans Am GTA
Engine: 5.7L TPI
Transmission: Auto
Re: Car wont start

Originally Posted by vetteoz
That would be the main benefit of owning a service manual if you plan to work on your car
You are right. So I picked up a Haynes repair manual. I looked through it and found nothing about an ignition switch. At least I have a manual now.

SEARCH harder
https://www.thirdgen.org/forums/post...71-post19.html

You might want to bookmark this in case you want to replace the ignition key barrel mentioned in post # 11
https://www.thirdgen.org/forums/post...940-post4.html
I don't know what kind of search magic you know but you find stuff quick. I will try to search harder. Man i'm a weekend garage guy with little time(about 1 day w/ 1-3 hours to wrench) and a family. So when its time to work I don't want to waste no time and get to it. I appreciate your help very much. And I probably should replace that ignition key barrel while I'm at it. Thanks for the advice guys!
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Old Jun 3, 2013 | 10:11 AM
  #16  
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From: San Diego, CA
Car: 1987 Pontiac Trans Am GTA
Engine: 5.7L TPI
Transmission: Auto
Re: Car wont start

BTW vetteoz that link about lowering the steering column in just what I needed. You sir are The Man! Thanks!
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Old Jun 3, 2013 | 08:16 PM
  #17  
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From: Pittsfield, NH
Car: 1988 Base Coupe
Engine: 350
Transmission: T5
Axle/Gears: 9 bolt w/ disk brakes - 3.70
Re: Car wont start

you cant replace the barrel "while you're at it"

they are completely different processes. You need to disassemble the insides of the column to get to the key barrel. To replace the ignition switch you only need to unbolt it from the outside of the column.

also, if your key goes in and turns, then there is pretty much nothing wrong with the key barrel
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Old Jun 3, 2013 | 09:28 PM
  #18  
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From: San Diego, CA
Car: 1987 Pontiac Trans Am GTA
Engine: 5.7L TPI
Transmission: Auto
Re: Car wont start

Originally Posted by excessiveego
you cant replace the barrel "while you're at it"

they are completely different processes. You need to disassemble the insides of the column to get to the key barrel. To replace the ignition switch you only need to unbolt it from the outside of the column.

also, if your key goes in and turns, then there is pretty much nothing wrong with the key barrel
Thanks for the advice. That saved me from doing something that didn't need to be done. I learn something new everyday.
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Old Jun 7, 2013 | 08:06 PM
  #19  
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From: San Diego, CA
Car: 1987 Pontiac Trans Am GTA
Engine: 5.7L TPI
Transmission: Auto
Re: Car wont start

UPDATE: I got the old ignition switch out. I'm having an issue though. I can't get the white plastic piece with the thick wire to connect to the back of the new switch. It's held on with two tiny "star" screws. Any ideas or advice guys? I'm so close!
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Old Jun 8, 2013 | 03:22 PM
  #20  
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From: San Diego, CA
Car: 1987 Pontiac Trans Am GTA
Engine: 5.7L TPI
Transmission: Auto
Re: Car wont start

Well I got the new switch in and.................still won't start!
Battery-Good
Alternator-Good
Starter-Good
Ignition Switch-Good
Fuses-Good

Any ideas people????
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Old Jun 9, 2013 | 01:17 AM
  #21  
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From: Pittsfield, NH
Car: 1988 Base Coupe
Engine: 350
Transmission: T5
Axle/Gears: 9 bolt w/ disk brakes - 3.70
Re: Car wont start

starter relay?

also may be a stupid question but did you check all your grounds? the major ones being, battery to chassis, battery to engine, and engine to chassis.

When I put the new motor in my camaro I couldnt get the starter to turn over, pulled it out and tested it with a battery charger and it worked fine.... turns out I forgot to hook up the engine to chassis ground strap on the passenger side rear of the engine, felt like an idiot.
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Old Jun 9, 2013 | 02:01 AM
  #22  
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Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: Car wont start

Originally Posted by DirtyBird87
................still won't start!
Battery-Good
Starter-Good
Ignition Switch-Good
Fuses-Good
Any ideas people????
Define good !

To prove a point if you get under the car and jumper ( out of gear , park brake on , key OFF ) the solenoid terminal ( small terminal on right )
to the Batt ( big terminal at top off the starter ), then if everything is GOOD ,
the engine should crank over.
If it does , then your problem is still with the Ign switch / wiring to the starter
If it doesn't then you have a battery / cable / starter / starter solenoid problem.
Does the solenoid " click" when you touch the jumper wire ?



Last edited by vetteoz; Jun 9, 2013 at 02:05 AM.
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Old Jun 9, 2013 | 08:59 AM
  #23  
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From: San Diego, CA
Car: 1987 Pontiac Trans Am GTA
Engine: 5.7L TPI
Transmission: Auto
Re: Car wont start

Originally Posted by excessiveego
starter relay?

also may be a stupid question but did you check all your grounds? the major ones being, battery to chassis, battery to engine, and engine to chassis.

When I put the new motor in my camaro I couldnt get the starter to turn over, pulled it out and tested it with a battery charger and it worked fine.... turns out I forgot to hook up the engine to chassis ground strap on the passenger side rear of the engine, felt like an idiot.
I should check those as well. I assume these are all the wire ends connected to the chassis?
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Old Jun 9, 2013 | 09:17 AM
  #24  
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From: San Diego, CA
Car: 1987 Pontiac Trans Am GTA
Engine: 5.7L TPI
Transmission: Auto
Re: Car wont start

Originally Posted by vetteoz
Define good !

To prove a point if you get under the car and jumper ( out of gear , park brake on , key OFF ) the solenoid terminal ( small terminal on right )
to the Batt ( big terminal at top off the starter ), then if everything is GOOD ,
the engine should crank over.
If it does , then your problem is still with the Ign switch / wiring to the starter
If it doesn't then you have a battery / cable / starter / starter solenoid problem.
Does the solenoid " click" when you touch the jumper wire ?

I have never done this before. If I understand you correct, I need to jump start the starter with jumper cables? As of now the starter makes no "click" noise.
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Old Jun 9, 2013 | 09:36 AM
  #25  
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From: Pittsfield, NH
Car: 1988 Base Coupe
Engine: 350
Transmission: T5
Axle/Gears: 9 bolt w/ disk brakes - 3.70
Re: Car wont start

Originally Posted by DirtyBird87
I have never done this before. If I understand you correct, I need to jump start the starter with jumper cables? As of now the starter makes no "click" noise.
not jumper cables, just a piece of wire, essentially he is telling you to conduct the same test that was done if you had it tested at a place like autozone, but you would be doing it while in the car, using the car's electrical system for power.

if the starter cranks when you do this it proves that your starter is properly grounded and you have power from the battery to the main stud on the starter and that your problem is with the start circuit. (starter relay, starter switch, or wiring)
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Old Jun 9, 2013 | 11:37 AM
  #26  
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From: San Diego, CA
Car: 1987 Pontiac Trans Am GTA
Engine: 5.7L TPI
Transmission: Auto
Re: Car wont start

Thanks for clearing that up Excess. That one had me scratching my head and wondering if it was safe to do hahaha.
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Old Jun 9, 2013 | 04:55 PM
  #27  
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From: Pittsfield, NH
Car: 1988 Base Coupe
Engine: 350
Transmission: T5
Axle/Gears: 9 bolt w/ disk brakes - 3.70
Re: Car wont start

also, make sure you hooked your start wire up to the correct stud, alot of starter solenoids have two small posts, one marked with an "s" and another marked with an "r" i believe, you want your small start wire hooked to the one marked with an "s"
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Old Jun 9, 2013 | 05:26 PM
  #28  
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Engine: 5.7 w/Paxton
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Axle/Gears: 3.27
Re: Car wont start

hold it in the crank position and shift the car through the gears....if it cranks then the neutral safety switch is bad.
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