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Jimm

Jimm 9/27/2014

2005 Ford F-150 XLT 8 Cyl 5.40L

Engine

No crank, no start condition

Have a sudden no crank / no start condition. Driving and operating OK - turned off for shopping, maybe 15 minutes. Returned to try and start - no starter crank, no relay click, no sound - nothing. Headlights are strong - do not go dim with the key in the start position.
With the ignition key 'on' there is no starter, no relay click, no dash lights.
Battery tests OK; 12.3 - 12.7 volts no-load, no shorted cells, load tested OK with full charge - battery installed new in June, 2014. Same as the starter- installed new unit (not remanufactured) in June,2014.
Have checked all the fuses, all the relays, the battery terminals, wiring and connections including the chassis ground, and fusible links in the alternator harness - all check OK.
What is suggested as the next steps?

5 Answers


HouseCallAuto

HouseCallAuto 9/27/2014

Check fuse # 102 and confirm that the fuse is not blown before I continue. If it is blown, replace it and see if it blows again.

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Jimm

Jimm 9/28/2014

Both the fuse 101 and fuse 102 in the fuse panel are intact and not blown (open). Also checked the starter wiring at the solenoid - no looseness, corrosion or shorting - everything clean and tight.

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Jimm

HouseCallAuto 9/28/2014

Fuse 102 should have battery+ voltage on it at all times. Please confirm. Get access to the ignition switch connector. Confirm that the Light Green / Violet wire has Battery+ at all times. If no voltage then get access to the bottom of fuse panel under fuse 102 and find out why there is an open causing no voltage on that wire.

Jimm

Jimm 9/28/2014

Have confirmed the fuse 102 has battery + voltage with ignition key off.

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Jimm

HouseCallAuto 9/28/2014

plug in a c ode reader and see if it establishes communication or not. If so, tell me what fault codes if any are stored. Also, what is the anti-theft light doing at the top center of the dash by the windshield with key off and with key on? Is it blinking or what?

Jimm

Jimm 9/28/2014

The anti-theft (red light) flashes normally with the ignition key removed. It goes steady with the key in 'on' position, then 'off' with the key in start position. Seems like the normal condition.

There are no stored fault codes in the OBD system.

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Jimm

HouseCallAuto 9/28/2014

OK Jim, clarify something you said, "no dash lights". What exactly did you mean by that? That sent me in a different direction and now I'm thinking maybe you just meant that you had no "check engine" light or other warning lamp coming on. I understood it as you meant that the full instrument cluster is remaining totally dark when you turn the key to the "on" position. To me the 'on" position is the "run" position and turning the key fully is the "crank" position.

Have you checked to see if the starter is receiving a 12 volt "crank" signal by touching the tip of a 12 volts test light to the small wire terminal at the starter while a helper attempts to crank the engine?

Jimm

Jimm 10/9/2014

Thanks for the assistance - just replaced the previous 'new' starter and took care of the no start / no crank problem. Time to send the starter still under the lifetime warranty back to the supplier.

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Jimm

HouseCallAuto 10/9/2014

One of the hardest diagnostic jobs to figure out is one where a premature assumption is made that the starter couldn't be the cause because it was recently replaced. Glad you figured it out Jim.

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