Wont start, no crank, happens randomly

Tiny
TECHMASTERSEAN
  • 1997 FORD MUSTANG
  • 78,000 MILES

Bought car 2 months ago. After 2 weeks, wouldnt start after driving awile. Started after 5 or so minutes. Week later, same thing, except 2 hours of sitting. Replaced starter/solenoid and new positive battery cable to starter. Great for a week, then same thing. Full battery power, turn key, hear fuel pump, nothing. No click or nothing from starter. All accesories work, full power to everything.

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Thursday, July 12th, 2012 AT 1:22 AM

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Tiny
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Do you have a multimeter or test light to do some testing?

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Thursday, July 12th, 2012 AT 1:36 AM
Tiny
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Yes

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Thursday, July 12th, 2012 AT 1:38 AM
Tiny
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Forgot to ask is it a manual or automatic transmission?

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Thursday, July 12th, 2012 AT 6:34 PM
Tiny
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Automatic

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Thursday, July 12th, 2012 AT 8:37 PM
Tiny
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Before we go thru a whole of checking when it wont start is the security light on or flashing?

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Thursday, July 12th, 2012 AT 8:46 PM
Tiny
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Followup. Changed out the ignition switch box. Nothing. Knew positive cable good, so the small wire into solenoid(figuring it the signal to start wire), jumped it and car started. Drove it home to my garage. Turned off. Restarted 4 staight times. All inside and outside ignition fuses good. Can feel clicking in fuse box when turn key. So whats left after fusebox to signal starter? And since its doing this off and on, assuming a short?

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Thursday, July 12th, 2012 AT 11:12 PM
Tiny
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So you changed the ignition switch?To me it sounds like something gets hot while it runs then fails when you go to start it till it cools down. Iam thinking maybe the neutral safety switch since that gets hot.

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Thursday, July 12th, 2012 AT 11:21 PM
Tiny
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No on theft light.

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Friday, July 13th, 2012 AT 1:06 AM
Tiny
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Usually does it when hot. But yesterday, car had been sitting for 5 hours, no start. Sat all night, no start next morning. Basically had 18 hours of sitting this time.

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Friday, July 13th, 2012 AT 1:07 AM
Tiny
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So did you change the ignition switch you said?Also does it start now?

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Friday, July 13th, 2012 AT 1:27 AM
Tiny
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No, same problem. Do now assume its the neutral safety switch.

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Saturday, July 14th, 2012 AT 4:42 AM
Tiny
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Alright to test the neutral safety switch when it wont start and the transmission in park. In the start position the red wire with a light blue stripe at the neutral safety switch will have power. Then the white wire with a pink stripe wont have power at the neutral safety switch.

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Saturday, July 14th, 2012 AT 6:00 AM

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