1979 Ford F150 starting problem

The engine tries to start but won't run. It's like it starts but quits immediately. Could it be my coil or something? Any tips on trouble shooting this and or other parts?

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a better explanation is required. do you mean that as long as the key is in the start position, it will run, but when you let the key return to the run position it dies?? if so, then your problem may be in the ignition switch.

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notorious duraspark ign module symptoms...........test: MAKE SURE VEH. IN PARK!, turn key to run position, check for spark while jumping starter solenoid manually (screwdriver or jumper wire). ive replaced too many to count with same prob. spark at key to crank position but module failure in run position.........if you replace module make sure you buy one with same grommet color...........kjun
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On Fri, 16 Sep 2005 19:00:57 -0400, "rolly_gator"

Does it quit right when you release the key from START? Will it run if you keep it in START? Ballast resistor wire. Replace with one for a 61-72 Mopar with Essex (not Prestolite) ignition.
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