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Working on an 84 302. No spark. Replaced brain box. Replaced pickup coil. Tested pick up coil, getting ac current. Tested all wires between pickup coil and box, tested all wires between coil and box. All have continuity. Test light on coil does not blink. Any ideas?
Turned out to be a bad brain box from NAPA. Made them test the next one, and it didn't work. Tested third one and it worked. Installed on truck and fired right up!