Still a Petrolhead but also like diesel
Join Date: Apr 2006
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As far as I know, towbar electrics must have a tell tale light or warning buzzer that lights / sounds when the trailer electrics are connected and indicators are working.
I think your error, is actually a design feature!
Spot on martin ..... most Renaults use a tell tale buzzer, although if you can convince your dealer they can also set the dash to flash the towbar directional indicators light as well ... (most new Renaults) .... if the buzzer was not working before I'd suggest that was the fault, not the fact that its starting to buzz now .... its usually an earth/ground fault that stops the buzzer working.
Hope it helps
Why is it the older I get .... the better I think I was ?
Currently in Truckbusuk's garage:
Clio2 1.4RT Phase1(VF1BB0S) + Volvo XC90 SE Lux D5 Geartronic