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Old Oct 22, 2005 | 01:40 AM
  #1  
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wont start

i am having a very hard time trying to figure this out. when i turn the key its acts like it is going to start, but as soon as i let go of the key it die's. i have tried to mess with the timing so thats not it, and i did an ignition system swap and put in a tfi box, i was told that when they go out they get hot to the touch and its not, sooo......... any ideas ?
 
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Old Oct 22, 2005 | 02:19 AM
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I would check the switch that is piggie backed on the column under the dash and see if it is aligned right. oops you have a 85 I am not sure if 85 was the same or similar as the 87-96. it sounds like a column thing not an engine ignition thing. seems like something is not aligned right.
 
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Old Oct 22, 2005 | 02:30 AM
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Dont have a wiring diagram for yours, but if it's wired the same s my 87 Ranger, the ignition switch is shot.

On my Ranger the start & run terminals in the ignition switch are both wired to the coil.
 
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Old Oct 22, 2005 | 02:42 AM
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sorry i didnt mention that its an '85 bronco with a 300 inline 6, and a 1405 edlebrock carb. and offy intake
 
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Old Oct 22, 2005 | 10:50 AM
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if you aren't gone yet (i know its saturday morning)

it could be the switch. the box gets power from the white wire while cranking only. and the red gets power in start/run. if there is no power to that red wire in run, jump a wire directly from the battery. then try cranking it. if it starts and runs it is definatly the ignition switch.
 
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Old Oct 27, 2005 | 12:22 PM
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now i am confused, i got home from the hunting trip(didnt get any thing ) and went to start the bronco just for kicks, and it started right up i really have no idea what the thing is doing. at first i was thinking the ignition like oldhalftons was saying but now.....? i just dont have a clue, could it get to hot and not start? or could the vacuum leak have to do with it
 
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Old Oct 27, 2005 | 01:21 PM
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We'll play with it today, if you can start it now normally, get it over here
 
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Old Oct 28, 2005 | 03:27 PM
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did'nt work

i just swapped out the ignition switch in my bronco and it didnt fix the problem, witch is... at first the thing starts fine and runs ok. i went for a spin down the block and it ran fine. i stopped in a small empty lot to play a little and make sure things where good but as soon as i stomped on it, it died and now it wont start again. when i turn the key it turns over and acts like its going to run but as soon as i let go of the key it dies. if i hold the key "on" it will run and i can give it gas but it still cranks the starter and that will eventually kill my starter.

my next plan is to replace the key portion of the ignition that is in the steering column and see if that works, unless any one has a different idea, if so PLEASE post up cuz i am running out of them

could it be flooding when i stomp on it and thats why it wont start? but then why would it run till i let go of the key? i am just stumped
 
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Old Oct 28, 2005 | 03:51 PM
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what year , motor and efi or carb?
 
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Old Oct 28, 2005 | 04:02 PM
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'85 300 inline 6 edlebrock 1405 carb with an offy intake
 
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Old Oct 28, 2005 | 04:17 PM
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Threads merged, please keep your follow up questions or continuing problem with the original thread so everyone does not have to repeat information.
 
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Old Oct 28, 2005 | 05:27 PM
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starter solenoid perhaps?
 
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Old Oct 28, 2005 | 06:20 PM
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some one else sugested the same thing, but... i am not really sure where the starter solenoid is or how to change it out
 
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Old Oct 28, 2005 | 06:21 PM
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Originally Posted by oldhalftons
if you aren't gone yet (i know its saturday morning)

it could be the switch. the box gets power from the white wire while cranking only. and the red gets power in start/run. if there is no power to that red wire in run, jump a wire directly from the battery. then try cranking it. if it starts and runs it is definatly the ignition switch.
What was the result of this test? Have you even tried this?

Originally Posted by Ponyracer
I would check the switch that is piggie backed on the column under the dash and see if it is aligned right.
Did you try this? If a new one aligned the same is slapped on there, would it not cause the same problem?

Do you have Spark at the coil when it cranks and wont run, because earlier you said it would run while in the start position and die when you released the key to run..... Now you are saying it wont even start, which is it?

If you have Spark, move the carb butterfly and see if it squirts gas in, eliminate those, my guess will be that you have no spark during the times it just cranks.

Do some testing and thinking and lots of reading before spending any money and assuming its the lock and key cylinder......

Originally Posted by mark-I6
some one else sugested the same thing, but... i am not really sure where the starter solenoid is or how to change it out
Its behind the battery mounted on the fender, it has a positive cable hooked up to one side of it from the battery, and another cable coming off the other side of it that goes down to the starter.... Do a search of the forums for how to use a jumper wire to test it...
 

Last edited by Icicle; Oct 28, 2005 at 06:40 PM.
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