Veteran
Posts: 335
Location: York, tis Cold Up North! | Hi
Item 78 does have an earth.
It takes it's feed from 92(Starter Relay) and then goes through the realy coil in 77(Manifold Heater Relay) and then goes to Earth via the white wire on other side of coil to the earth (-ve) point.
So to me it is all correctly shown.
MG |