Ignition coil gets hot with key on. This can occur due to a short circuit in the wiring, a faulty ignition module, or a weak battery. If the ignition coil is defective or damaged, it should be replaced with a new one. Depending on the type of ignition, but especially with points, a coil (and the points too) can get super hot if the key is on just when the points are at just the right point in their cycle. . Six cylinder dwell should be mid 30s? 3) Coil is internally ballasted? Does it say that on the coil? 4) Finally, some coils run hot. It explains that things like too much electricity, a broken ignition switch, a worn-out Jul 18, 2024 · Overview In this comprehensive guide, we will delve into the causes, consequences, and solutions for ignition coil overheating, empowering you with the knowledge to diagnose and prevent this issue. com The video talks about why a car key might get hot in the ignition, what it could mean, and how to fix it. When the key is turned to START, the ballast resistor is bypassed, and the battery is directly connected to the coil, since the battery voltage drops while the starter turns over. But shouldn't fry human flesh. May 27, 2013 · They even get too hot to touch sometimes when the engine is running, but at least then they have the benefit of some of the cooling air flowing over them. Nov 27, 2023 · An ignition coil gets hot due to the electrical energy that it converts into high voltage for the spark plugs. 2) Dwell is out of whack. Aug 4, 2013 · 1) I'd see if the coil was powered key off for some reason. The excessive resistance in the coil’s windings and the current flow through them produces heat as a byproduct. Jan 12, 2020 · The factory ignition system (whether points, or year-correct electronic ignition) powers the ignition coil through a ballast resistor with the key in RUN. Use a common test light to check. See full list on autoily. clk jhvogh nslqkhjw qdob sxcgph bajpx eonvn risnm epltgqv fmwplzu