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72' 240z, second owner, purchased in 98. Has anyone ever used a relay on their headlight/wiper switch? I just acquired a used replacement headlight/wiper switch (I hope it works), I was advised to use a relay before installing the replacement. Any advice would be appreciated.
 

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There have been many discussions on Zcar about doing just that, to reduce the long term deterioration of the contacts in the switch because of years of arcing/sparking when the contacts make and break under voltage. The relay is easier to replace than pulling the switch trying to redress the contact faces.
 
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