Rear Defroster Relay Test | Rear Defogger Help

Is the rear defroster (or rear defogger) not working? How to test and replace a rear defroster relay or rear defogger relay.
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Any attempt to repair automotive parts and/or systems carries risk of personal injury. Always adhere and follow safe practices when working on vehicles. Such as, safety glasses, jack stands, no loose clothing, etc. No guarantee or warranty is implied. Use the information in this video at your own risk. Carsntoys is a member of the Amazon Influencer Program.
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