Ask Honest John

Most recently answered electrical faults questions
I have just fitted a replacement window in the rear sliding door of my 2006 Peugeot 807. Now the window does go right to top but then comes down again about four inches. I can get it to the top by "inching...
What fuse do I need for the reversing lights on the 2002 Ford Fiesta 1.25 petrol?
I have 2004 Renault Megane and the 80 Amp fuse that's connected to the positive terminal of the battery keeps blowing. Any idea why?
I have 2006 MINI Cooper. Recently I had to replace the window regulator on the driver's side. However since it has been replaced neither of the electric mirrors work. I have checked all fuses and all appear...
I have a weird problem with the left-rear indicator on my 2009 Renault Clio. Every time I use the left indicator, it clicks and flashes (on the dash) too fast, and the left-rear bulb is not flashing. However,...
My daughter owns a 2004 Renault Clio, with the 1.4 16V engine. She bought the car from an independent trader and it has been back several times already. It still has some warranty left. The problems surround...
The electric windows have stopped working on the driver's side in my 2003 Vauxhall Corsa. I have checked fuse 20 as per the manual but there is no fuse there. Further research suggests it may be fuse 35...
My 11 year old BMW 525 has done 166,000 miles and is regularly serviced, but has now developed an intermittent fault which prevents the car firing up. It seems to have been a waste of time to replace the...
The flasher repeater on the offside external mirror is not working on my 2010 Ford Focus estate. How do I fix it?
Why does the battery on my Peugeot 306 go flat when the car is left with nothing running? The battery has been checked and it's fine.