99 conquest no spark

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Thread: 99 conquest no spark

  1. #11
    Join Date
    Dec 2011
    Location
    Texas
    Posts
    16
    RockDoc, I watched your YouTube video on carb cleaning and did almost exactly as you did. Pulled spark plugs and checked fuses and for loose wires this pm. Nothing. I guess I'll have to pull the ignition parts out as per manual and test 1 by 1. What a pain.

  2. #12
    Join Date
    May 2009
    Location
    NJ 08533
    Posts
    5,052
    Before you go to crazy pulling things apart. The ignition switches do fail some times , check that the fuses are all good and if so disconnect the yellow wire from the ignition switch and supply power to the yellow wire then crank engine, if you have spark it's in the switch. If not you will have to look further, our 94 needed the large harness plug redone due to connection issues where it would shut off for no reason and restart run fine for a while after shaking connector.
    There is a ten amp fuse that controls the ignition module and fuel solenoid.

  3. #13
    Join Date
    Dec 2011
    Location
    Texas
    Posts
    16
    Spoke with a local small engine mechanic today. Since no spark at either plug, he thinks I've got a loose wire or bad connection "upstream" from the coils. Still looking.

  4. #14
    Join Date
    Dec 2011
    Location
    Texas
    Posts
    16
    Broke down and took it to a mechanic. Still waiting on an answer. I think it may be the ignition switch as you guys suggested, because the fuel pump wasn't running either when I turned the key.

  5. #15
    Join Date
    Jun 2013
    Location
    salt lake city utah
    Posts
    49
    Mine did t have any spark it ended up being a fuse 1996 conquest

  6. #16
    Join Date
    Dec 2011
    Location
    Texas
    Posts
    16
    Thanks, Madman. I checked the fuses but will check again. The cold/rainy weather ( for Texas) has slowed my mechanic. If he's not done tomorrow, I may pick it up and attack it again myself. Ducks are flying and I'm tired of wading.

  7. #17
    Join Date
    Dec 2011
    Location
    Texas
    Posts
    16
    I found a connector that seems to be missing a wire, but can't see it on the schematic. Y/w from main harness appears to feed 2x y/w and orange. Y/ws go to coils. Orange goes to igniter. But it looks as though there's an empty plug. I'm about to buy the igniter, but am still hoping its just a bad connection.

  8. #18
    Join Date
    Jun 2013
    Location
    salt lake city utah
    Posts
    49
    When I get home I'll look at mine and see which fuse was bad and maybe ya can just use a jumper wire and make it hot to see if it's your ignition switch or bad connection on your fuse box

  9. #19
    Join Date
    Dec 2011
    Location
    Texas
    Posts
    16
    Replaced the igniter $95 on eBay and got it started. Looks like I've got a fuel issue, now. I didn't purge the line after cleaning the carb, but I think I'm on track.

    There seemed to be a lot of vapor in the exhaust when I started it. It was cold (35) tonight and the machine hasn't run for over a year. I'm hoping it was just water in the muffler. There was no evidence of water in the oil (it was clear, not milky) and the coolant is full so I'm not thinking blown head gasket. Also, the "smoke" didn't smell oily. May check the compression when I check the plugs, tomorrow. Any other thoughts?

  10. #20
    Join Date
    Dec 2011
    Location
    Texas
    Posts
    16
    Also, can hear an intermittent "crackle" or " snapping". Sounds like its from near the flywheel, maybe where the pulser coils are? I'm wondering if I've got a short that damaged the original coil.

    BTW, I'm thinking fuel prob because the engine stalls under load. Drove it to the end of the driveway but didn't want to venture farther yet.

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