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78 E350 NO Ignition Voltage

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Old Mar 7, 2013 | 11:57 AM
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78 E350 NO Ignition Voltage

I bought a 1952 F1 that is mounted on a 1978 E350 chassis.( 351W )
It has all the 78 wiring installed.
When cranking engine, it will not start, unless you release key to run position.
You have to get engine turning over, and then quickly release key to start.
Checked back of switch, not losing voltage at ignition post while cranking.
Any ideas out there?
thanks david
 
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Old Mar 7, 2013 | 03:12 PM
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Put a meter on the coil + out at the engine(or a testlight). If you always have voltage there, I would try a new ignition module. That's been a failure mode sometimes for them.
 
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Old Mar 15, 2013 | 11:07 AM
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Tested with light.
Had voltage all the time.
Replaced module.
Still have same problem.
Ant other idea's?
thanks david
 
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Old Mar 15, 2013 | 11:32 AM
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Check to make sure you have voltage at the module while cranking. I believe it's a red wire.
 
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Old Mar 15, 2013 | 08:35 PM
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The voltage will jump up to a higher level when you release the starter, the higher voltage will then give you spark at the plugs.
Check you plug gap, the smaller the better in your case.
Have your battery tested.
Jim
 
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Old Mar 22, 2013 | 06:41 PM
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Replaced starter, and ignition switch.
Seems to be working.
thanks.
 
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