Schematic 3-2. Preheater unit, glow plugs, preheater unit relay
| D | ignition switch |
| G266 | engine oil level sensor |
| J52 | preheating unit relay |
| Q6 | glow plugs |
| S5 | fuse |
| S39 | preheater unit fuse |
| S125 | fuse 2 of the preheating unit |
| S231 | fuse 31 |
| T10n | 10-pin orange plug near the fuse/relay box under the fairing |
| T10o | 10-pin brown connector on fuse/relay box under cowl |
| T10p | 10-pin black plug near the fuse and relay box under the fairing |
| 13 | ground point (-) in the engine compartment on the right |
| 85 | wire 1 "ground" (-) in the engine compartment wiring harness |
| A2 | positive potential wire terminal 15 in the instrument panel wiring harness |
| A20 | terminal 15 wire in instrument panel wiring harness |
| A38 | wire 2 positive potential terminal 15 in the instrument panel wiring harness |
| D16 | glow plug power wire in the wiring harness on the right side of the engine compartment |
| D98 | glow plug power wire in engine compartment wiring harness |