Quantcast Ford Truck Club Forum - View Single Post - 1969 f100 240 ignition issues
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Old May 15th, 2019, 12:40 AM
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glc glc is offline
 

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I believe that's normal - there is a ballast resistor that drops the voltage after it starts. I'd change the plug wires, cap, and rotor on general principles.

2003 F-150 XL RCSB 2wd 4.2 5 speed 3.55 LS
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