The 75 and ZT Owners Club Forums - View Single Post - High Line Head Unit Blank Screen and Nothing Working

Matt G · 21st November 2020, 09:37

Hi David

Thanks for the reply. Yes I have checked the fuses, I pulled them all out 1 by 1 to check nd that resulted in the sat nav half working.

Basically ignition on , but engine off radio works, tape works but no screen. As soon as I start the engine the screen starts to work intermittently, kind of flashes on and off all the time.

So I figured it could be this wiring connection JB tourer referred too underneath the seat , as I bought my car absolutely full of water, so similar problem.

I have sorted all the other Electrical gremlins out, my central locking and indicators, hazards, heater all work so was tending to steer away from a k bus issue. Do you think it still could be?

C0289 is part of the k bus, can that connector be unplugged and re connected incase the contacts are Corrected slightly.

I was basically figuring it is a bad Power connection Or earthing issue , but I very much open to any other suggestions or pointers.

Seats are out, carpet up, so I have access to most of it

Regards

Matt

21st November 2020, 09:37	#7
Matt G Regular poster MG ZT 190+ (Development car), mg zt 190SE (Twilight), MG ZS 180 Join Date: Nov 2017 Location: Waltham st lawrence Posts: 42 Thanks: 8 Thanked 6 Times in 6 Posts	Hi David Thanks for the reply. Yes I have checked the fuses, I pulled them all out 1 by 1 to check nd that resulted in the sat nav half working. Basically ignition on , but engine off radio works, tape works but no screen. As soon as I start the engine the screen starts to work intermittently, kind of flashes on and off all the time. So I figured it could be this wiring connection JB tourer referred too underneath the seat , as I bought my car absolutely full of water, so similar problem. I have sorted all the other Electrical gremlins out, my central locking and indicators, hazards, heater all work so was tending to steer away from a k bus issue. Do you think it still could be? C0289 is part of the k bus, can that connector be unplugged and re connected incase the contacts are Corrected slightly. I was basically figuring it is a bad Power connection Or earthing issue , but I very much open to any other suggestions or pointers. Seats are out, carpet up, so I have access to most of it Regards Matt