Chapter 8 N40475 Breakers Note: Breakers are provided to protect the electrical system against accidental short circuits. The risk is highest when the engine is being installed, or when additional equipment is wired in, and is negligible during normal operation. The breakers may be found on the right hand side above the oil filter, see figure 1. 10Amp - negative glow plug. 105Amp - positive glow plug. Figure 1 Page 24