Parasitic draw and huge voltage drop with glow plugs on GQ TD42
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So far so good, I managed to start the car after the night with both battery terminals on, so draw is not an issue anymore.
I figured to clean all the main terminals and what I found, that this white cable connected to +30 under electric tape was looking like this: https://photos.app.goo.gl/8N4qL4cwVmwb74KF9
That white cable is in bad shape, full of this white/green oxydation, did fix it temporarily and it already is much better, ther is less of a voltage drop when warming up the plugs. I plan to change the whole cable in the future.
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