Electrical situation
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
https://www.ford-trucks.com/forums/1...-anywhere.html
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.
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)
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Last edited by shreckley; Dec 13, 2023 at 04:50 AM.










