say you have 5 glow plugs (n/a 300d) and 4 wires (n/a 240d). would you:

a) run a wire from gp4 top to gp5 top?
b) run a wire from gp1 top to gp2 top?
c) splice the extra gp to the adjacent gp?

it's a 1980 240d body with 300d motor.

my answer was c. let me know SOON if i'm wrong.