1990 Ford F-350 Clicks No Crank

FORD F-350
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HOWIE1965
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I have a 1990 Ford F350 diesel pickup.When I turn the key to start the engine all that happens are clicks.I have had the batteries test-ok.The starter tested-ok.The starter relay was replaced-still nothing.I've put on new battery cables-still hearing clicks.The clicking is coming from the starter relay and the starter solniad.Need some help with this problem.
Apr 9, 2006 at 5:41 AM
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PEPPERMRJ
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Can the engine be turned over by hand?
Apr 9, 2006 at 2:19 PM
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HOWIE1965
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[quote="peppermrj"]Can the engine be turned over by hand?[/quote]I'm not sure what you mean by turn over by hand.I can pull start the truck and the engine wii start.Another test that I've done was to put a jumper wire from the positive battery cable to the starter relaytop post-still clicks.Any Help will be GREAT
Apr 10, 2006 at 1:31 PM
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PEPPERMRJ
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Engine can't be locked up if you can get it to catch in gear.
I'm betting on a bad solenoid.

Send me an email and I will send you a troubleshooting diagram.

Good luck and let us know. :)
Apr 11, 2006 at 10:45 AM
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HOWIE1965
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my email address is howie1965@yahoo.com. Thanks
Apr 11, 2006 at 1:18 PM
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PEPPERMRJ
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It B sent. :)
Apr 11, 2006 at 2:17 PM
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Suggested Repair

Suspect a bad starter solenoid. The engine is not seized because the truck can be pull-started and runs, and the batteries, starter, relay, and cables have already been checked while clicking continues.

Conversation Summary

A 1990 Ford F-350 diesel clicks from the starter relay and solenoid but will not crank. Batteries tested good, the starter tested good, the relay was replaced, and new battery cables did not help. A jumper to the relay still only produced clicks. The truck can be pull-started and runs, so the expert ruled out a locked engine and suspected a bad solenoid, offering an off-thread troubleshooting diagram.

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