ground issue with head unit PLEASE HELP

[Gabasshead 10+ year member]

So tryn to put a new head unit in my o4 trailblazer and my wire harness has a ground wire but the harness of the head unit has a long ground wire with a terminal on it to be bolted to a piece of metal which i had to do in my other vehicle this headunit was in because of no ground from wire harness. So i guess my question is should i cut the terminal wire and splice it to the aftermaket wireharness ground or just cap the aftermarket wire harness ground and bolt the terminal in. Please lemme know asap as im trying to get it done tonight

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[butterMilk 10+ year member]

It doesnt really matter, sometimes the factory ground *****, so some people will ground it to a solid piece of metal.

 

[Gabasshead 10+ year member]

Ok cool thanks for the quick reply