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Old 11-07-2016, 09:27 PM
lippy lippy is offline
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Join Date: Apr 2012
Location: Bay Area (Peninsula), CA
Cobra Make, Engine: ERA 427, 427/487 side-oiler
Posts: 1,248
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A98Coupe - I thought the same thing and tried that. There was no spark.

The double flashing LED indicates a low voltage condition, so the box won't fire. I got a little lucky and checked the magnetic pickup next. You disconnect the dizzy and measure the resistance across the pickup. It should measure between 400-1300 ohms. When I checked it, the resistance would start at about 800 ohms and steadily climb to over 5 mega-ohms. I called MSD tech to describe this, and they said it wouldn't act that way, and that my multimeter is probably bad or low on batteries. Wrong. I checked a fixed resistor I had lying around and it read fine. It's probably a bad connection that opens almost completely when the signal from the multimeter passes through it.

So I called Gotelli's speed shop and they had the part for me in 2 hours, and they even offered to match Summit pricing (very cool place, old school). I put it in and she started right up. That must be the problem. Glad it's apparently not the box. I'm planning on verifying the timing and taking it out later this week.
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