transit engines vary some are direct injection requiring no glow plugs.simplest way is look on the head for 4 injectors. close to each inj if fitted is 1 plug per cyl connected with all the other ones by a thickish(4-5mm)wire with the end running to the glow relay plugs wire is usually held on by nut size 8mm.none of the above,no plug engine.
caine
June 2008