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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Ignition or solenoid

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Old May 13, 2011 | 03:39 PM
  #16  
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Check the cables, as mentioned before,

Also, You might have fried the starter, and/or starter solenoid when the ignition switch was out of adjustment.

Have the starter tested at the auto parts store. Check the starter solenoid like was mentioned by CTUBUTIS.
 
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Old May 13, 2011 | 06:17 PM
  #17  
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I will pull the starter out and have the parts store check it. Do i check the starter solenoid by jumping the post top the positive battery like in the previous post? How do i check to see if the cable is grounding out? The strter is new and so is the solenoid, its the 3rd solenoid ive installed. Do they sell a solenoid with a lifetime guarantee?
 
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Old May 13, 2011 | 06:48 PM
  #18  
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Hey, I think I may be able to help! had almost the identical problem... the starter would continue to run AND frequently when the key was removed and in my pocket the starter would try to start the engine all by itself!!! "Fixed" the ignition switch and no change. Went through 3 solenoids (kept taking back to the parts guys and blamed those poor Chinese factories!) and no change. Paid for a high priced auto electrician whiz and no change.

Went to the local Ford scrap-yard and asked for an old NA made solenoid and in passing explained the problem. This old guy working the counter said it was the wire to the solenoid which is the one that three wires are combined into one. He said it was probably corroded an do simply cut back to good copper, splice and re-attach. Voila, worked like a charm. My question was for the three mechanics I consulted and that electrician "genius" as to why they didn't know/suggest this. Anyway, try it. I hope this solves your problem. If you need me to ID the specific terminal it is attached to just ask. Good luck!
 
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Old May 13, 2011 | 07:02 PM
  #19  
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No, nobody sells the solenoid with a lifetime guarentee.

You have to physically check the cables, perferably with a voltmeter set to ohms.

Disconnect both ends of the cable you test. Hook your voltmeter plus side to one end and ground out the negative side on the body and the frame. If you get a reading the cable is shorted to ground.

Also check the cable resistance while you are at it. Hook the positive of the voltmeter to one end of a disconnected cable, and hook the negative to the other end. You should get continuity, if you have a lot of resistance, replace them. Heck if in doubt, replace them, they are not all that much, and you did say they got hot and perhaps melted.
 
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Old May 13, 2011 | 07:09 PM
  #20  
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Originally Posted by 87-250
Hey, I think I may be able to help! had almost the identical problem... the starter would continue to run AND frequently when the key was removed and in my pocket the starter would try to start the engine all by itself!!! "Fixed" the ignition switch and no change. Went through 3 solenoids (kept taking back to the parts guys and blamed those poor Chinese factories!) and no change. Paid for a high priced auto electrician whiz and no change.

Went to the local Ford scrap-yard and asked for an old NA made solenoid and in passing explained the problem. This old guy working the counter said it was the wire to the solenoid which is the one that three wires are combined into one. He said it was probably corroded an do simply cut back to good copper, splice and re-attach. Voila, worked like a charm. My question was for the three mechanics I consulted and that electrician "genius" as to why they didn't know/suggest this. Anyway, try it. I hope this solves your problem. If you need me to ID the specific terminal it is attached to just ask. Good luck!
I would test the wire before, I'd cut it. Same proceedure for checking the cables. Check it for continuity or resistance.
 
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Old May 14, 2011 | 08:56 AM
  #21  
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I will try to test the cables today if it isn't raining (Pacific Norhwest). Thanks for all the advice.
 
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Old May 14, 2011 | 06:16 PM
  #22  
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I replaced the starter and cables and the truck started right up. Now i need to figure out how to keep the truck running. It runs really good until i put it in drive or reverse then i dies.
 
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Old May 15, 2011 | 01:00 PM
  #23  
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Start a new thread with your symptoms in the header.

This will get the transmission guru's to look in.
 
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