Question about 2008 Ford F 450 Super Duty

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No start anti theft light flashing 08 F 550, also no glow plug symbol when key turned to on position ?

This problem has happened 3 or 4 times in the last year. Always started up after waiting awhile and trying 2nd key. Also jumped starter with key in on postion turns over but no start. I've never had the glow plug symbol not show up on the dash. This all started after replacing cigarette lighter fuse, while I was under the hood I also removed checked and reinstalled all the spade fuses. Thanks in advance, Mac

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Posted on Jan 02, 2017

  • 3741 Answers

SOURCE: My 2000 Ford Expedition has

If it is a single click, the problem lies in the starter solenoid or relay. If it is several clicks in succession, the battery may be low or there may be a loose cable. ---------- also try this :-- Please make sure the battery is fully charged before doing this test! Also make sure all the connections on the starter, battery and cable ends are tight and clean! this is important!! This won't be fun to test but it will tell you if the starter is good or not. Crawl under the car. (Make sure you use the proper jacks and jack stands!) find the end of the starter (not the end that is attached to the bell housing) and find the solenoid switch. it should have 3 bolts on it. Two large ones and a small one. The top large wire should be the positive battery cable, the bottom large wire should go into the starter and the small wire should be from the ignition switch. Take a wire and hold it to the top large wire on the solenoid. (be careful of the other end of that wire when you have it connected to the top large wire of the solenoid! don't ground this wire. it will turn out badly. take the other end of the wire and touch it to the small bolt on the solenoid end. If the starter is working, the solenoid should engage and the starter will turn. If this happens it is most likely the ignition switch. If the starter doesn't turn, the starter could be bad. ==== Starter Relay Test
Place transmission in Park.
Apply parking brake.
Check for battery voltage between starter relay battery terminal and ground.
Connect jumper wire on starter relay between battery and ignition terminals.
If engine does not crank, connect a second jumper wire to starter relay between ground terminal and good ground and repeat test.
If engine cranks in step 3, transmission linkage is misadjusted or neutral safety switch is defective.
If engine does not crank in step 3, starter relay is defective.
Follow this step by step and you will pinpoint the problem.
--------
This will help. Thanks please keep updated.please do rate the solution positively .thank you for using fixya.




Posted on Oct 24, 2009

  • 1 Answer

SOURCE: Wont start unless jumped or restarted within 30 mins

I had the same problem, but it wasnt happening every time. Alt and Battery tested good. About 1 month later the alternator went out and I had to have it rebuilt.

Posted on Dec 16, 2009

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