Testing a spark plug wire’s ohm resistance with a multimeter is a good way to verify they are in working condition, and if the wires are capable of delivering the required voltage to the spark plug.

Learning how to test glow plugs ensures your diesel engine remains reliable and efficient. Here is how to test glow plugs.

The first thing we noticed about the new manifolds was plug access. This is an important point, as many of the tubular turbo manifolds have a reputation of limiting plug access and burning plug wires.