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**turbonutter69** · 06-01-2010, 12:57 PM

Remove the head unit. Find a suitable earth and run a live from the battery to the head unit. If it powers up it's the wiring. If not it's the head unit.
Also you may need to plug the aerial in as some headunits need them to power up.

06-01-2010, 12:57 PM	#2 (permalink)
turbonutter69 Super Moderator TC Founder Car: Astra Sri Vx Line. Join Date: Aug 2008 Location: Alone in the dark. Posts: 16,228	Re: Testing Radio Head Unit Remove the head unit. Find a suitable earth and run a live from the battery to the head unit. If it powers up it's the wiring. If not it's the head unit. Also you may need to plug the aerial in as some headunits need them to power up. _______________________________________________