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Electrical 1990 mustang lx 5.0 won’t crank or start looses electricity

  • Thread starter Thread starter frank17k
  • Start date Start date Jul 16, 2022
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frank17k

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I put the key in the ignition and get the courtesy chime and lights on the dash. As soon as I turn the key to start the ca, I hear a click and all power dies. No more electricit, chimes, or lights on dash. I disconnect the battery for a few, connecte, and try again. The same thing happen. I changed the strarter solenoid and the starter. Still doing it. I NEED HELP. Thanks in advance.
 

General karthief

wonder how much it would cost to ship you a pair
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I would say a bad connection between the battery and the starter but that's just one cause. Here's a link that should help you find/fix the issue.

No Crank Checklist

No Crank checklist for 5.0 Mustangs Revised 24-Oct-2013 to update voltage drop figures. No crank, slow crank and stuck starter solenoid problems have the same root causes – low battery voltage and poor connections. For that reason, they are...
www.stangnet.com
 
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frank17k

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Thanks I’ll check it out
 
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frank17k

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General karthief said:
I would say a bad connection between the battery and the starter but that's just one cause. Here's a link that should help you find/fix the issue.

No Crank Checklist

No Crank checklist for 5.0 Mustangs Revised 24-Oct-2013 to update voltage drop figures. No crank, slow crank and stuck starter solenoid problems have the same root causes – low battery voltage and poor connections. For that reason, they are...
www.stangnet.com
Click to expand...
It says I don’t have permission to view.
 

Mustang5L5

That is…until I whipped out my Bissell
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Jul 16, 2022
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  • Jul 16, 2022
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You have a bad electrical connection, or a corroded/dirty terminal or a bad ground on the engine block or all of the above.


The standard click and nothing is a dead giveaway to this.
 
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frank17k

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Mustang5L5 said:
You have a bad electrical connection, or a corroded/dirty terminal or a bad ground on the engine block or all of the above.


The standard click and nothing is a dead giveaway to t
Mustang5L5 said:
You have a bad electrical connection, or a corroded/dirty terminal or a bad ground on the engine block or all of the above.


The standard click and nothing is a dead giveaway to this.
Click to expand...
thanks I’ll look at this
Click to expand...
 
M

mrobins26

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Jul 16, 2022
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  • Jul 16, 2022
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frank17k said:
I put the key in the ignition and get the courtesy chime and lights on the dash. As soon as I turn the key to start the ca, I hear a click and all power dies. No more electricit, chimes, or lights on dash. I disconnect the battery for a few, connecte, and try again. The same thing happen. I changed the strarter solenoid and the starter. Still doing it. I NEED HELP. Thanks in advance.
Click to expand...
Did you check the ignition switch in the column? They have a tendency to separate due to faulty construction. The metal tabs that hold it together were not crimped properly. The picture shows mine .
 
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frank17k

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Yes, I did. Still not working
 

Patrick Sullivan

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Jul 23, 2022
#9
  • Jul 23, 2022
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Take a big screw dryer jump the + to the - (negative) lf nothing look at solenoid & cables
 
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Patrick Sullivan

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Oops screw driver - not dryer
 
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Patrick Sullivan

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Jul 23, 2022
#11
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BTW JUMP ON THE SOLENOID FOR THE STARTER..This tablet!
 
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frank17k

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Thanks for all the info. After changing the battery, solenoid, and starter. I finally hit it to start. Turned out to be the silliest thing ever.

The positive cable was a little loose from the terminal. It would not make enough contact to get it to start.
 

Patrick Sullivan

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Jul 24, 2022
#13
  • Jul 24, 2022
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A save is a Save and a fix is a fix. EXCELLENT...
 
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