Weird electrical shenanigans

Sep 7, 2019
In the FJ40 today and it's been stood unused for a while. A multitude of weird electrical behaviour started.

Turn side lights on -> side lights come on, tail lights work correctly. Instrument cluster lights up. But use indicators and the side lights blink.

Turn main lights on -> headlights don't work. Side lights are dim. Front indicators illuminate without blinking. Tail lights work, rear indicators illuminate without blinking. Instrument cluster illuminates and so do both green arrows. Use the indicators and nothing happens.

Horn doesn't do anything.

Anyone got any ideas to check out tomorrow? I'm wondering if the connectors need cleaning on the back of the instrument cluster.

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