Trainmaster
Old School Member
I don't know the resistance but the problem with quality coils seldom lies with high resistance but with insulation leakage, which would be difficult to test.
Remember plug wires? You'd put on the cheap $6 wires, open the hood at night and it would look like Star Wars down there there with all the arcing. A bad coil often arcs to ground, builds carbon tracks and shorts on the secondary side instead of sparking the plug. You're not going to read that with a meter on the coil.
That's why it's important to change the boots. They can carbonize and permit the spark to short to the head.
The Chinese replacements are another story. They just go on fire or melt.
Remember plug wires? You'd put on the cheap $6 wires, open the hood at night and it would look like Star Wars down there there with all the arcing. A bad coil often arcs to ground, builds carbon tracks and shorts on the secondary side instead of sparking the plug. You're not going to read that with a meter on the coil.
That's why it's important to change the boots. They can carbonize and permit the spark to short to the head.
The Chinese replacements are another story. They just go on fire or melt.