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The mkiv Supra Owners Club

Horn Wiring


Dave F

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Can anyone tell me how to wire my twin horns, as the picture shows terminal 30 not being used and the wire from the battery joining to terminal 86 which looks like its going to earth which seems strange.

Cheers guys

DSCN2861.jpg

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Stock wiring should be ok as your aftermarket horns seem to be rated at 10amps

 

But if you still want to fit a relay then

pin85 is orignal horn wire (+)

pin86 earthed on body

pin 30 fused live from battery

pin 87 feed + to horn

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Stock wiring should be ok as your aftermarket horns seem to be rated at 10amps

 

But if you still want to fit a relay then

pin85 is orignal horn wire (+)

pin86 earthed on body

pin 30 fused live from battery

pin 87 feed + to horn

 

Cheers that makes sense, I was confused by the diagram showing the battery live joining the relay earth and nothing going to pin 30.

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