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Why are relay pins numbered like that?
Steve answers the question ‘Why are relay terminals numbered 30, 85, 86, 87?’ He also has a funny way to remember them. Plus: a quick demonstration on how they work.
Amazon Affiliate link to the OTC relay pliers:
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If you click the link, it supports the channel, but won’t cost you more.
#tooldemos
![How To Test and Diagnose Relays and Wiring [4 & 5 Pin]](https://i.ytimg.com/vi/S-DwV0HLsE4/mqdefault.jpg)
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