![where do i tap the ground to? factory harness (female) doesn't have a ground that I can connect to. this is for a head unit. : r/MechanicAdvice where do i tap the ground to? factory harness (female) doesn't have a ground that I can connect to. this is for a head unit. : r/MechanicAdvice](https://i.redd.it/2zflmlkyk5x91.jpg)
where do i tap the ground to? factory harness (female) doesn't have a ground that I can connect to. this is for a head unit. : r/MechanicAdvice
![grounding - Should I ground my radio to the chassis or battery for a mobile install? - Amateur Radio Stack Exchange grounding - Should I ground my radio to the chassis or battery for a mobile install? - Amateur Radio Stack Exchange](https://i.stack.imgur.com/SMBaB.jpg)
grounding - Should I ground my radio to the chassis or battery for a mobile install? - Amateur Radio Stack Exchange
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