Check your wiring, find electrical opens, test grounds, measure voltages, check battery, alternator etc. Link to the Probe below From Amazon https://amzn.to/4q3sCbY From Innova https://rstr.co/innova/5259/hgt RELATED VIDEO PLAYLISTS https://youtube.com/playlist?list=PLMLNRyDJO83m8bOObTN-g8FKbYg-y1NQq https://youtube.com/playlist?list=PLMLNRyDJO83kyBOt58vKp166cKD_QuQ-6 https://youtube.com/playlist?list=PLMLNRyDJO83k_Lnu1aRpTr4yR2sjjWsnO https://youtube.com/playlist?list=PLMLNRyDJO83n9mD6bPCl86FYM1xcKtTyN https://youtube.com/playlist?list=PLMLNRyDJO83nKpjT_spfsIRXEeU7x9uWG Chapters: 0:00 Probe & Accessories 1:00 Battery Voltage & Alternator Test 2:48 Power & Ground Test 4:44 Probing Fuse Fox for Power 5:14 Testing Tail Lights 6:35 Supplying Power to Devices 7:11 Supplying Ground to Devices 8:06 Relay Testing 11:55 Power Supply Voltage Options Disclaimer: Vehicle repair, service, modification or installation of aftermarket components should only be performed by a trained professional. Do not try this at home. Injury or Death can occur. I'm not a trained installer. Any action you take on the information on the AutoFun YouTube channel and in the videos, contained therein is strictly at your own risk. Autofun makes no warranties on the accurateness of the information. The product featured in the video was provided by the vendor for review. This video description contains income earning affiliate links.

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