New battery, rebuilt starter/solenoid starter wont turn over unless jumpered
SOURCE: Ford 8N will not start when hot
This sounds like a bad fuel pump to me. The only way to be sure is to check the fuel pressure when cold, probably around 45 PSI. Then when it get hot it will drop way down to 10 or 15 PSI. Check the pressure if you can, or change the fuel pump.
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SOURCE: Starter on ford 8n tractor will not engage.
Did you check for voltage at the starter connection at the starter connection AFTER the solenoid.......when the solenoid is energized?
Just because it clicks does not mean it is sending power through.
Does the starter have a good clean ground?
Use a battery booster cable and supply your own battery power right to the starter to check it.Try grounding it too with the other battery booster cable.The starter drive is only used when the starter is turning as it is thrown out into the teeth of the flywheel...cranking the engine and back out away from the flywheel when the starter stops turning.
SOURCE: how to unlock a starter on an 8n ford tractor
Put tractor in highest gear and rock back and forth by hand using rear tires.
Testimonial: "i tried that but it didn't work.thank you for your suggestion."
SOURCE: my 8n ford tractor has a new starter and started
The most likely cause of your problem is that the bendex drive on the starter is hanging up. This is caused by the return spring in the drive assembly breaking. First remove the battery cables then Pull the two bolts holding the starter to the block and remove the starter. It should drop out if it is difficult most likely bendex is still engaged just wiggle around until starter comes out.
NOTE: take caution as to not let end caps of starter come off. the bendex can be replaced by itself or you can purchase a starter with new drive bendex on it already.
to test if your push button is sticking take an ohm meter and test from terminal post to block or top of transmission where mounted if you get a reading of continuity then you have a bad starter button you can search for this part number 8N11500. The starter button just screws into the transmission cover and does have a gasket (pn 8N11529) and dust boot for the terminal. it is real easy to remove be sure area around is free of dirt you don't want that in your tranny.
No offence to HOGobal; putting a push button on the guage(aka dash plate ) is a bad ideal. The transmission mounted push button serves to keep the starter locked out if the tractor is in gear and yes the 2N,9N,8N,,NAA will start in gear and take off possiblely causing damage to your property,self and tractor. I have repaired to many push button remounts and have personally seen a 8n over come its park brake and run into another vehicle cause massive damage to the other vehicle. due to heavy duty push bar bumper assembly on tractor. Jack
SOURCE: I have a Ford 8n with a new battery, solenoid and
Clean all the connections where the solenoid bolts to the starter. They are copper. Make them shine.
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