• So go back to the start, and check the wiring diagram (Haynes manual normally) vs the wires you have.

    I'd say, disconnect all the indicators, then plug in only one side. Get them flashing and happy, then disconnect do the other side. Then try everything plugged in.

    Fast flashing can be due to incorrect load on the blinker unit. Normally they stay on when you have one light not working (not enough load), and they blink fast when the wattage of the bulbs is too high for the setup (too much load).

  • Good shout re. unplugging everything. The circuit does seem a bit weird, like I think the front indicators are in series with the turn signal warning lights. Ah well. This stuff is exactly why I want to fit an M-Unit.

    It’s most likely that old metal strip type relay, ‘96 a triumph. Looks sounds and feels like one anyway. Have had the battery charging overnight just to be sure that’s not an issue, will try to make sure everything is dry as well. The rear indicator assemblies were off for a week.

  • I've had a slightly similar issue that affected lights and the starter motor as well. Everything suddenly just behaved incosistenly and weird, like every button found a new function everytime I pressed it.
    I never found a specific cause, but unplugging, cleaning and replugging every plug seems to have cured it for now.

    Sometimes when different stuff share an earth connection, if it goes bad the stuff wants to earth through for instance the blinkers positive lead.

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