Recent content by harpua555

  1. H

    Need help with intermittent electronic failure - diagnostics included

    Coming back to unfortunately report that the fix was not fully successful. At this point, the car runs fine if the weather is dry. After/during any good rain, however, the electrical problems come back. Since repairing the grounds, the issues now exclusively happen in wet conditions, are...
  2. H

    Need help with intermittent electronic failure - diagnostics included

    Just wanted to update this post for anyone that comes across it searching. My symptoms completely resolved after grinding down the two grounds to the chassis by the driver and passenger wheels. I used an angle grinder with a flapwheel, got down to bare metal, used some dielectric grease, and...
  3. H

    Need help with intermittent electronic failure - diagnostics included

    I have a new negative battery cable to install, but I am having trouble with the connections. I found the 10mm ground right behind the passenger wheel, which should be easy enough, but it seems like the 13mm is connected to an impossible to reach bolt on the engine block. If I were to remove...
  4. H

    Need help with intermittent electronic failure - diagnostics included

    Thanks! VT here, so the salt is definitely doing its thing... Best I can do for pictures right now is the two grounds I checked! G218 - G??? (behind driver wheel) - The second one is the one I flapwheeled down to metal~ish and put dielectric grease on
  5. H

    Need help with intermittent electronic failure - diagnostics included

    Car wouldn't even click, the button was just trying to (I think) go into and out of accessory mode - no attempt made to actually start. I have since found a horribly corroded ground on the frame behind the drivers wheel. I ground that down to bare metal, put some dielectric grease on it, and...
  6. H

    Need help with intermittent electronic failure - diagnostics included

    Also wondering if it is worth clearing the codes to see what comes back?
  7. H

    Need help with intermittent electronic failure - diagnostics included

    I have been having intermittent problems with a 2015 Tahoe. This has happened 4-5 times over the last 6 months. About half happened while driving, the other half were a fail to start condition that once started still displayed symptoms. Symptoms include: All IPC gauges go to zero, but are...
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