no glow plugs
the glow plugs are located under the valvecovers should be 8 of them
Unless your ford focus is a diesel your car does not have glow plugs.
On the motor
under the manafold
there are 8
Under the valve covers
glow plugs do not fire glow plugs are used to heat the chamber where the diesel ignites diesel is not ignited by a spark diesel is ignited thru compression
wire diagram for 1999 Ford F250 diesel glow plug relay
glowe plugs on 1996 ford e350 .7.3 diesel are under valve cover
they are under the valve covers
Do not touch them if you do not even know where they are located.