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Learn how to diagnose a failed relay in this video! So, your horn won't honk, or your headlights won't light. You checked the fuses, and they look fine! What's going on? Time to check the relays! Watch this video to find out how a relay works, what can go wrong with one, and ways you can check yours to see if you need to replace it!

Check out our list of many other diagnostic videos!
https://www.youtube.com/playli....st?list=PL17C5A3ED23

How To Use a Multimeter:
https://www.youtube.com/watch?v=omQiFV1CRl8&list=PL17C5A3ED23485B90&index=224&t=353s

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While 1A Auto strives to make the information provided in this video as accurate as possible, it makes no claims, promises, or guarantees about the accuracy, completeness or applicability of the content. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. All do-it-yourself projects entail some risk. It is the sole responsibility of the viewer to assume this risk. 1A Auto is not responsible or liable for any loss damage (including, but not limited to, actual, consequential, or punitive), liability, claim, or any other injury or cause related to or resulting from any information posted in this video.