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1987 Ford F-250 What can I do?

Tiny
DUSTYROAD
  • MEMBER
  • 1987 FORD F-250
  • V8
  • 4WD
  • AUTOMATIC
  • 17,000 MILES
I just bought a 1987 Ford 4x4 automatic tranny.
My trouble is it will not start from the key switch, I can jump the solenoid and it will start the moter but when I stop the jump it dies.
Now all I know to do is take it to a shop but the closest one is 65 miles away. Is there anyway to jump it so it will run long enough to get it to the shop?
When I turn the key on the dash gadges seem to work.
Wish I could donate much more but I am desabled and on Social Security and only get $575.00 per month.
Thanks
Jerry
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Monday, September 6th, 2010 AT 1:17 PM

11 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Hi
If you have a test light put it on small wire at solenoid turh key to start does it light? Also check fueslink GREEN at starter relay should be a few there different colors.
Let me know
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Monday, September 6th, 2010 AT 1:36 PM
Tiny
DUSTYROAD
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  • 8 POSTS
WOW That was fast Thanks.
I will go check it and get back to you.
Thanks
Jerry
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Monday, September 6th, 2010 AT 1:46 PM
Tiny
DUSTYROAD
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  • 8 POSTS
I checked the wire on the S with key on and nothing I also checked the green wire and nothing.
But when I turn the key on start I hear a fant click.
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Monday, September 6th, 2010 AT 3:54 PM
Tiny
DUSTYROAD
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  • 8 POSTS
I checked those two wires and nothing lights up.
Now what can I do? Can I jumper it someway to get it started?
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Tuesday, September 7th, 2010 AT 10:47 AM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Hi
Had to go out of town. So need to repair green fuse link. At solenoid S terminal not getting power maybe neutral safety switch on Trans. Jumper from POS TERM to S term this wiil operate starter
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Sunday, September 19th, 2010 AT 3:11 PM
Tiny
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  • MEMBER
  • 8 POSTS
Do you mean from + side of solenoid, or + side of Batt.
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Sunday, September 19th, 2010 AT 3:50 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Where POS cable is attached to solenoid screwdriver works good but use an old one it burns tip.
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Monday, September 20th, 2010 AT 1:05 PM
Tiny
DUSTYROAD
  • MEMBER
  • 8 POSTS
OK, I did that and got the same thing it starts but when I break contact it stops running. If I don't break contact the starter keeps turning. But now I have no outsise lights head lites turn sig. Tail lights, brake lights. Gas gage goes to full, Can't switch fuel tanks.
Do you know what might be wrong? Where can I get a download if the wiring dia. That would show the inline fuse links?
Dusty
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Thursday, October 7th, 2010 AT 10:49 PM
Tiny
DUSTYROAD
  • MEMBER
  • 8 POSTS
OK, Here goes,
I have a 1987 F250 with a 351 W Auto tranny 4x4. With an electrical problem.
First off I have replaced the solenoid the computer box "brain" Coil and checked the wiring.
To try and fix the trouble, but to no avail.
# 1 Truck has power on both sides of coil but no fire to distributor. Same as the one I replaced.
# 2 I have replaced 3 solenoids as when trying to start from the key switch the truck will not start but the starter keeps running. To stop this I cut the red wire that goes to the
" S " but it keeps running.
ANY ideas?
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Sunday, October 24th, 2010 AT 12:53 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS


https://www.2carpros.com/forum/automotive_pictures/198357_Graphic_666.jpg


Tried to send wiring but comes out WAY to small
Trying to understand when you turn key to start starter operates but engine will not run? and starter keeps cranking even though key is released?
With test light on NEG termoinal of coli does it flash on and off when cranking?
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Sunday, October 24th, 2010 AT 1:58 PM
Tiny
DUSTYROAD
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No it stays on but just gets a little dimmer.
Can you send the diagram in PDF Format?
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Sunday, October 24th, 2010 AT 4:01 PM

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