1991 FORD F250 STARTER IS NO CRANK CONDITION

  • Tiny
  • willmc8609
  • 1991 Ford F-250

Electrical problem
1991 Ford F250 V8 Two Wheel Drive Automatic 275, 00 miles

the batterys are good, the alternator is good, the starter is good but when I turn the key all I can hear is the solenoid click, I have tried cleaning the terminals on the starter and solenoid and batterys. What do I do?

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Thursday, January 1st, 2009 AT 7:12 PM

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  • Tiny
  • Dave H
  • Expert
  • 13,547 posts

The Motorcraft positive engagement starter motor is used on all engines except the 4.0L and 7.3L Diesel. The starter system also includes a starter (ignition) switch, relay, neutral start switch (A/T) or clutch interlock switch (M/T), battery and heavy circuit wiring.
When the ignition switch is turned to the START position, the starter relay is actuated through the starter control circuit. This connects the starter motor to battery, permitting current to flow through the grounded field coil, actuating a movable pole shoe. See Fig. 1. The pole shoe forces the starter drive plunger lever to engage the starter and flywheel gears.

Check the Starter Relay
4.9LOn right front fender panel.
5.0L & 5.8LOn right front fender panel.
7.5LOn right front fender panel.

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Thursday, January 1st, 2009 AT 7:37 PM
  • Tiny
  • willmc8609
  • Member

Would a bad starter relay cause my problem? When I turn the key the relay just makes a loud clunk noise. What does that mean?

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Friday, January 2nd, 2009 AT 12:13 PM
  • Tiny
  • Dave H
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Is it the relay on the fender panel making the clunking noise? Or the actual starter motor?

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Friday, January 2nd, 2009 AT 12:18 PM
  • Tiny
  • willmc8609
  • Member

It is the relay on the inside passenger side fender, I tried jumping the terminals but it still just clunked. Idk I been stuck in patterson for 3 days cuz this stupid thing so im desperate for info

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Friday, January 2nd, 2009 AT 2:32 PM
  • Tiny
  • fyrball
  • Member

I have the EXACT same problem. Did you ever figure yours out? Did you check if your motor may be seized?
I've tried everything that anyone has told me about fixing this problem and still cant get it. Please, if you got yours going, HELP ME!

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Sunday, January 18th, 2009 AT 11:49 AM
  • Tiny
  • Dave H
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  • 13,547 posts

Have you tried replacing the relay on the fender panel. Get a wrench on crankshaft pulley bolt to turn engine by hand to check if engine is jammed up?

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Sunday, January 18th, 2009 AT 2:03 PM
  • Tiny
  • fyrball
  • Member

I turned the engine over in my truck the way you said already. The relay isn't the problem because if I arc across it with a screwdriver, I get the same "click" noise. Its something AFTER that.

Big donation to the site if you can solve this problem PDQ for me.

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Sunday, January 18th, 2009 AT 4:45 PM
  • Tiny
  • Dave H
  • Expert
  • 13,547 posts

There is nothing AFTER the relay except the starter itself ..try checking the fusible link i have arrowed on the bottom diagram ?

DESCRIPTION
The Motorcraft positive engagement starter motor is used on all engines except the 4.0L and 7.3L Diesel. The starter system also includes a starter (ignition) switch, relay, neutral start switch (A/T) or clutch interlock switch (M/T), battery and heavy circuit wiring.
When the ignition switch is turned to the START position, the starter relay is actuated through the starter control circuit. This connects the starter motor to battery, permitting current to flow through the grounded field coil, actuating a movable pole shoe. See Fig. 1 . The pole shoe forces the starter drive plunger lever to engage the starter and flywheel gears.


http://www.2carpros.com/forum/automotive_pictures/266999_fig1_2.jpg



http://www.2carpros.com/forum/automotive_pictures/266999_fig1_2_1.jpg



http://www.2carpros.com/forum/automotive_pictures/266999_start_2.jpg


http://www.2carpros.com/forum/automotive_pictures/266999_start2_1.jpg

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Sunday, January 18th, 2009 AT 7:48 PM
  • Tiny
  • fyrball
  • Member

So, thats good. Are you stumped yet?

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Monday, January 19th, 2009 AT 10:10 PM
  • Tiny
  • Dave H
  • Expert
  • 13,547 posts

OK so you are getting power (hot)all the way through the system .. so we must have a bad ground ... we need to check ALL grounds I would start with the relay ground point on the fender wall ...then the starter ground.. see arrows on diagram .. let me know


http://www.2carpros.com/forum/automotive_pictures/266999_start_3.jpg

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Tuesday, January 20th, 2009 AT 5:27 AM

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