Ask Honest John

Most recently answered electrics questions
Car has refused to start after working just fine. Each time started okay and then nothing. There is not the click of a starter motor when turning the key, but quiet clicking from under the fuse box, but...
The passenger electric window is not working, but the drivers one is, would this be the motor or is there a seperate fuse and could the switch itself be a common fault?
I own a (July) 2009 Ford Focus 1.6-litre petrol, which has covered 30,000 miles. During Christmas, the fuel pump failed and I was left with a bill of £400. Surely a fuel pump should last more than three...
I have a lovely, quite low mileage BMW 740i. Sometimes - unpredictably - it won't start on the first, second... even 13th or more turn of the key. It can be the first start of the day or after I have run...
I have a 2005 Diesel Renault Modus. The battery appeared to be flat (i.e. central locking not responding, car not starting). I charged the battery overnight and it started. I ran it for 10 mins. Charge...
My 2005 Vauxhall Vectra's heating system only works only setting number 4. The fan resistor was replaced by Vauxhall; stil not working. Fan motor was then replaced by a second mechanic - still not working....
Just obtained a Type 110 (78AH) (700A crank) silver calcium battery replacement. How do you remove the old one? In this model, the battery is fitted with one half of its length tucked under the bottom...
I have a 2005 Peugeot 307 1.6 HDI. My problem is that when switching on the lights, I get sidelights but no headlight. Flash works okay, the two fuses under the bonnet are okay. I found a fusebox under...
When I turn on my sat-nav it keeps coming up with a message 'please insert original data carrier'. This only happens when it is cold. It works okay when the weather is above 4 degrees c.
My 57-Plate Jeep Cherokee loses power periodically - and the result is that I pull up, with the engine shuddering, and then switch off. After standing for a few minutes, I turn the key - and it fires up...
 

Value my car

Save £75 on Warranty using code HJ75

with MotorEasy

Get a warranty quote

Save 12% on GAP Insurance

Use HJ21 to save on an ALA policy

See offer