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Old Jul 20, 2021 | 02:16 PM
  #1  
custom250qc's Avatar
custom250qc
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Electrical situation

Hi
I'm having a situation with my f-250 1978.
Last time I have work on the truck, I accidantly connect the batterie the wrong side.
The solenoid went up to white smoke.
So after changing the new solenoid and connect the battery (yes correctly this time) nothing is happening went I turn the key on.
Just bought a new battery full charge 12.86 amp so not the battery.
The positif cable was cut and freashly connect to the battery as well due to old rust and make sure i have a solid contact.

What else could be my problem to fix this issue?

Regards (hope the writing is not to bad)

custom250
 
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Old Jul 20, 2021 | 02:47 PM
  #2  
dlburch's Avatar
dlburch
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if you're lucky, the fusible links burnt (as they were supposed to ) and saved everything else...depending on your truck there could be up to four of them...they are all very close to the solenoid on the wires that connect to the front post...

https://www.ford-trucks.com/forums/1...-anywhere.html



 
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Old Jul 20, 2021 | 03:00 PM
  #3  
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redroad
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Check the coil and fusible link.

IGNITION COIL TEST

1) With ignition off, check secondary resistance between coil "DEC" (negative) terminal and coil tower. See Figs. 1 and 2. Resistance should be between 7000-13,000 ohms.
2) Check primary resistance between "BAT" (positive) and "DEC" (negative) coil terminals. Resistance should be 1.13-1.23 ohms (.71-.77 ohms Dura-Spark I ignition system). It resistance is not within specifications, replace ignition coil.

STARTING CIRCUIT TEST
Connect jumper wire between pins No. 1 and 8. See Figs. 4 and 5. Check voltage between coil "BAT" (positive) terminal and engine ground. If reading is less than 6 volts, ignition by-pass circuit is open or grounded. Repair primary circuit as necessary,
NOTE: Do not ground coil terminal for more than 30 seconds on Dura-Spark I system while performing starting circuit test.










 
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Old Dec 12, 2023 | 09:04 AM
  #4  
shreckley's Avatar
shreckley
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Joined: Dec 2023
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Originally Posted by custom250qc
Hi
I'm having a situation with my f-250 1978.
Last time I have work on the truck, I accidantly connect the batterie the wrong side.
The solenoid went up to white smoke.
So after changing the new solenoid and connect the battery (yes correctly this time) nothing is happening went I turn the key on.
Just bought a new battery full charge 12.86 amp so not the battery.
The positif cable was cut and freashly connect to the battery as well due to old rust and make sure i have a solid contact.

What else could be my problem to fix this issue?

Regards (hope the writing is not to bad)



Hey there! Your enthusiasm for diving into the intricacies of Donkey Kong 3 chips is commendable! As a fellow writing enthusiast, I can relate the thrill of unraveling mysteries, albeit in the realm of words. Regarding your Willem EEPROM programmer, check its compatibility with the specific color PROMs. Forums and online communities might hold the key to unlocking this technical puzzle. Your curiosity is the spark that propels learning, much like my own passion for exploring social issues through writing. If you ever need a break from chips and circuits, this link on social issues topics might provide a refreshing perspective: social issues topics (https://essaypro.com/blog/social-issues-topics). Keep the curiosity alive!
Thanks for the information!
 

Last edited by shreckley; Dec 13, 2023 at 04:50 AM.
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Old Dec 12, 2023 | 11:41 AM
  #5  
Olblack's Avatar
Olblack
Mountain Pass
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Wow thanks for the great post with the directions. This is some great information
 
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