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Thread: MSD 6AL-2 programmable - no spark at spark plugs.

  1. #11

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    Quote Originally Posted by Danny Cabral View Post
    So try replacing the magnetic pickup in the distributor.
    Hi Danny. Can the pickup test OK, but still be faulty?

    Quote Originally Posted by Gaz64 View Post
    Make sure there is no metallic buildup on the front face of the pickup. If the "Paper clip" jumper test is reliable, but spinning the distributor isn't, replace the pickup assembly. Gary
    Gary, will give it a spray with some Brakleen and a give it a blast with the air compressor and try it again. When swapping the pickup over is there a particular silicone that is needed on reinstall? Corey.

  2. #12
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    Quote Originally Posted by corey lanctot View Post
    Hi Danny. Can the pickup test OK, but still be faulty?
    It can be failing intermittently. It doesn't cost that much to rule it out: https://www.summitracing.com/parts/msd-84661 (MSD 84661)
    May God's grace bless you in the Lord Jesus Christ.
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  3. #13

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    Hi. Just wondering if I should have continuity between the reluctor wheel and the distributor housing when the reluctor wheel is lined up with the magnetic pickup point?

  4. #14
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    Whether is does or not is immaterial. It should technically read zero Ohms from the reluctor wheel to ground, since the path would be reluctor wheel, shaft assembly, housing bearings, to housing, to engine block. I have to ask why you need to know this? Gary
    Regards, Gary

  5. #15

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    I was just playing with it as this whole thing has got me stumped, and just wanted to know if it should be that way.

  6. #16
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    Does it produce reliable spark while doing the shorting with a paper clip? Do you have an adjustable rotor? Gary
    Regards, Gary

  7. #17

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    I'm not using a paper clip, but rather a long pair of wires, as a got a belt the first time I did it, LOL. But last time I checked, there was a reliable spark. I do have an adjustable rotor, although I have the timing set to 36° on the laptop without any timing pulled out, so have the rotor set at zero.

  8. #18
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    This is a new installation, or was this running? On a new installation, I spin the distributor by hand, with an air gap setup from the coil wire. How much of an air gap can you create, 1/2 inch? Gary
    Regards, Gary

  9. #19

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    This was running, but I've recently replaced the distributor after this issue raised its head. I did have a cheap distributor that I had locked out by welding the shaft. I have had it running with this MSD distributor a couple of times now, but every time I have it running, it won't have spark again the next day. The only thing I haven't replaced is the magnetic pickup, of which I purchased one today. Right now I want to bin this MSD crap and go back to old faithful HEI because it's ticking me off and making me feel that it has no reliability. I've done the spark tests with a spark plug in the end of the lead and judged the spark strength from that as a "normal" MSD spark even through a spark plug is still very strong.

  10. #20

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    Hi Gary. I've just double checked this and with a spark plug in the coil lead, and getting a spark when I do the paper clip test on the green/violet wires. Although, when I do a gap test, (I had the coil lead on the end of a phillips head with a 8-10 mm gap) I get one single good strong spark then nothing. Turn ignition off and back on, one spark then nothing. Tried a second coil with the same result. Have 12.2 volts going to both red wires in MSD box during test. Tried various different plug leads during tests and same result. Put a spark plug in the end of the lead, used distributor as the "paper clip", and every time the reluctor passes the pickup we get a spark. Even tried pushing the screwdriver closer to close up the gap and still one spark. Checked LED on the box and it's on & off as it should be doing when distributor is turning.

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