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> HELP! No spark, Replaced the Mallory module
jeffdon
post May 15 2017, 02:46 PM
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I figured I had fried my Mallory optical module with a battery charger, and so I just replaced it with brand new. Still no spark. With key on, I getting 12v at the neg side of the coil and on the primary. I had my fuel pump powered off the pos side of the coil, and was seeing a V drop down to just under 6 when that was on it. Moved the power source to the relay board. Now seeing 12v. Still no spark.

What the hell else should I check? Could I have fried the module on first power up? (IMG:style_emoticons/default/headbang.gif)
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MarkV
post May 15 2017, 10:23 PM
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They make a Pertronix II for a Mallory distributor. They aren't as delicate and work with a hall effect magnet instead of an LED. The II version doesn't fry if you hook it up backwards or if you leave the key on without the engine running.

Not positive but I think the Mallory YL 4 cyl distributor all takes this model:

http://www.ebay.com/itm/Pertronix-9ML-141C...CjL&vxp=mtr
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