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1986 Ford F-100 Starting Truck and it wont stop turning ove

Tiny
GBAMAREX22
  • MEMBER
  • 1986 FORD F-100
  • 6 CYL
  • 2WD
  • MANUAL
  • 117,000 MILES
I try to statrt truck and it keeps turning over even if remove the key. I have to stall it out by letting out clutch to get it to start. I know thats not good for it. The it cranks first try after that.
Sunday, May 2nd, 2010 AT 10:49 AM

8 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi gbamarex22,

Thank you for the donation.

The ignition switch is bad and needs to be replaced. You need to get it done fast to avoid costly repairs if the starter gets damaged.
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Sunday, May 2nd, 2010 AT 12:54 PM
Tiny
GBAMAREX22
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  • 9 POSTS
Thanks I will give it a try
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Sunday, May 2nd, 2010 AT 5:41 PM
Tiny
GBAMAREX22
  • MEMBER
  • 9 POSTS
Do you mean the actual switch the key goes into? Or the ignition module?
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Sunday, May 2nd, 2010 AT 6:17 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
The switch behind the key cylinder. When it stays stuck after cranking, the starter would continue to run and the overrunning of the starter would damage it.
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Monday, May 3rd, 2010 AT 8:48 AM
Tiny
GBAMAREX22
  • MEMBER
  • 9 POSTS
I replaced the Ignition switch and it is still turning over excessively and not stopping until I pop the clutch.
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Friday, May 7th, 2010 AT 11:37 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Is the key turning back to the ON position after releasing it from the START psition? It should spring back easily and if it is stuck, either the ignition switch is not installed correctly or the key cylinder is faulty as well.

The other item that can cause the problem would be the starter. Check if the overrunning clutch is bad.
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Friday, May 7th, 2010 AT 4:26 PM
Tiny
GBAMAREX22
  • MEMBER
  • 9 POSTS
Friday it would not start after overstarting began and I have since replaced the starter and cylanoid and it now statrs again. Is there anything I can do for the long time to start problem first thing in the mornig?
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Monday, May 10th, 2010 AT 1:11 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
One thing that you need to check would be the starter relay. It could be sticking resulting in power not being cut when the ignition key is released.

Try swapping it with other relays.
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Monday, May 10th, 2010 AT 3:06 PM

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