Question about Honda Prelude

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I'm in need of the engine bay wiring diagram for a 1980 Honda Prelude, specifically for the cooling system/thermo-fan.

Diagrams needed for Honda Prelude, NOT motorcycles

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Try jumping the green cooling fan switch with a wire and see if it turns on while the car is on, if it does then it's probably your module.

Posted on Jan 01, 2017

Testimonial: "G'day Robert, It's my brothers car which was supposed to be a donor car to his 79 Prelude. Long story short, his mate crashed the 79 and now it has become the donor car for the 80 model. I/we have tested the fan and fan switch (which just looks like another thermos fan) and they both work when hot wired but, don't work when normally connected to the harness. Someone has messed with the wiring and I can't find a power source to the fan (using a test light pen), The radiator Thermostat ( on the right side of the rad.) doesn't work but is by-passed. And the colour coding of the wiring on the car doesn't match the colour coding in the (Haynes) manual. This is why I'm trying to get the proper wiring diagrams so I can tract down where the fault my lay."

  • robert boltz Jan 19, 2017

    Have you checked the fuse block to see if it contains a cooling fan relay?

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