papakb
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The electrical system does provide the power to the glow plugs but it is not a constant current type system. Each individual glow plug acts as a resistance load on the batteries and draws current based on it's internal resistance. The good plugs are low resistance loads and will draw the most power. As they begin to fail and their resistance rises they begin to draw less and less power until the burn out and effectively become open circuits. Leaving them energized too long is what causes the problems.
Hopefully you had a vacuum cleaner in the injector hole to suck out any drill chips when you did that. It's not a good idea to have them floating around in the cylinders. If any did get into the cylinders most of will probably just blow out when the engine starts anyway but you don't want to get one stuck on a valve seat or between the piston and the cylinder walls.
Hopefully you had a vacuum cleaner in the injector hole to suck out any drill chips when you did that. It's not a good idea to have them floating around in the cylinders. If any did get into the cylinders most of will probably just blow out when the engine starts anyway but you don't want to get one stuck on a valve seat or between the piston and the cylinder walls.
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