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PhilNW

Car horns

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PhilNW

Odd problem - 1.6 car horns I can get 1 horn to work at  a time OK but not both, just a very weak flat noise.

With a supply straight from battery both work OK together, earth is OK

Indicator switch/horn button is relatively new so not high on the suspect list,   

As 1.6 I understand there is no relay to run the horns so a wiring problem somewhere,

Any idea where to look next on the wiring?

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jackherer

Check the wire itself, if you cut the plug off you'll probably find dull black copper wire. Keep cutting it back until you find shiny bright copper then splice new wire in from there. It might be the entire run in the engine bay right up to the firewall that needs replacing.

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PhilNW

I was thinking if there are any connectors I could check and then run a new wire parallel to the dodgy one (if that is what it is) 

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jackherer

I think the nearest connector is a multiplug going onto the back of the fusebox.

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