Moto Zero by Transitions Lab

Wiring Lab

The wiring plates from Module 3, made live. Trace every branch of the main harness, then work the switches of the starting, charging and ignition circuits and watch where current flows. Click any part for its job, how to test it and how it fails.

Main wiring harness laid flat The main loom of a road motorcycle laid out flat: taped trunk, branches to each component ending in multi-pin connectors, fuse box, relays, earth points and wire colour codes. Only the battery positive feed is in the accent colour. Front of machine (headlight end) on the left; branch lengths shortened W Bl G O Lb G Bl Y G Bl/W W Lg B/W Y/R B R B B/Y Bl Y/R Lb G/O Bl P/B Y/R G/O Lg Br G/Y G O Lb G Lg G G/Y Bl Bl/Y G/W W G Bl G/Bl G/O Y Y Y Lg/R Y/R G/O Bl P/B 10 10 15 5 SPARE 30 + - G Wire colour codes B Black Br Brown R Red O Orange Y Yellow G Green Lg Light green Bl Blue Lb Light blue P Pink W White Gr Grey Tracer: B/W = black insulation with a white stripe. G = earth (green or black) on most machines. Headlight (H4) Front indicators Left switch cube Right switch cube Ignition switch TPS, 3-pin Injector MAP / IAT sensor Tail / stop light Rear indicators Instruments, 16-pin Ignition coil ECU, 22-pin Horn Front brake switch Earth point Crank sensor O2 sensor, 4-pin Engine temp sensor Alternator, 3-phase Neutral switch Fuse box, 10/10/15/5 A Main fuse 30 A Starter relay Turn relay Battery positive feed (R) Battery 12 V Starter motor cable Battery earth Taped trunk PVC tape, half-lap

Swipe the drawing sideways to see all of it.

Current flowing Voltage present, no current No voltage

Show one system

Find a wire colour