Have problems turning over my 1979 ford 460 big block
Turn key ignition motor stalls to turn over sound like something is locking up then after a few trys it starts and runs and ideals good then you turnit off it does the same thing some times it takes longer to start and the locking up sound is louder starter and ignition syatem is brand new
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wiring in ignition or batt cud be fault--the inline fuse as a factor--or igntion switch/key lock--if it was theft system-car should start after putting key to ON after 10min--may want to try unplugn computer for a few or havin it scanned
defintely sounds like fuse or relay. also could be relay for your headlights thats runs to the ignition switch as well. trace your wires from ignition switch out through the firewall and see where they go. may need to have second person help. Wherever the wires go is prob your problem. Most likely a relay. also check for any hot wires loose touching thats shortening the circuits.
Any flashing lights on the overdrive button. Sounds like a messed up torque converter or a computer command to stay locked up randomly. It's just a clutch that uses fluid, but most now have a electrical controlled magnetic clutch to lock them up. If they are told (wrongly by the computer) they won't let go and will stall the motor, cause harsh shifts, etc. Diesels just won't stop with the power they make. Scan for codes.
Your cylinders 1-4 passenger side,5-8 drivers side. Firing order is 15426378, looking at engine #1 is at 1 o'clock position, and order goes counter clockwise. The timing varies from year to year - call Ford w/your eng. # for exact timing. To get you in the ballpark,12 degrees BTDc if you have a vac guage, connect to a vac source on intake, crank motor up turn distributor until you get highest vac reading, then back off 3 lbs of vac.
Your not the only one with this problem. There is a piece in the lock known as the sidebar, that jams this lock up. Lock needs to be replaced. There are few people I just researched on Ebay that are selling this lock. Just do a search on Ebay Motors for Focus Ignition lock.