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• Ignition lead resistances 28 Mar 2006 (Forum)
  A quick question: If a set of ignition leads with a specified resistance of 5K Ohms, all increase to 6K Ohms would this be enough to stop the engine starting when cold, but perhaps keep a hot engine running? Thanks in advance
• oil covering the end of the HT lead. 7 Jan 2002 (Forum)
  i have just taken the HT lead off the spark plug, and oil is swimming around the spark plug, what could this be (please dont say its the head gasket)
• Volkswagen Lupo (1999 - 2004) - 05 1.0 Ignition Leads? 9 Apr 2009 (Forum)
  Every now and again over the past year the engine loses power/misfires and they diagnose that an ignition lead needs changing. She has had all four changed during the past year (at no little cost!) and now the same problem has occured yet again! Any ideas if this is symtom of some wider problem please? Also, is lead changing something easily done by an amateur without any particular tools, where could I get the leads and what should they be costing.
• Mk2 Golf Leaded or Unleaded? 4 Mar 2003 (Forum)
  The previous owner told me he only used unleaded petrol, although he only drove 5,000 miles in it. The filler cap seems to indicate that the car was originally manufactured to use leaded fuel. I've looked in the owners manual but there are no clues there (its written for both leaded and unleaded cars and assumes you know which one you've got). Will I do the car any harm if I continue to run it on unleaded when it should have leaded fuel?
• Ford Fiesta - 1.2 Fiesta HT leads? 25 Jun 2012 (Forum)
  How much should I be looking to pay for ht leads (including fitting), as I'm getting different quotes and would be ideal if someone could give me a rough guide price.   Cheers
• Lead-In Model 1 Jan 2003 (Forum)
  What does the above phrase mean?
• 
  What is the best lead additive on the market for four-star petrol? 20 Jan 2020 (Ask HJ)
  I have a 1958 Bentley S1. What is the best lead additive on the market for four-star petrol?
• Mercedes 230E steering lock/leads 29 Jan 2004 (Forum)
  In previous cars I have used a very good red flashing dummy 'car alarm light' that works by using a positive power source from the radio supply, and connecting to one of the leads going into the back of the steering wheel lock. When the car is running, this is energized ie. positive, and with the other positive lead gives 2 positives so the light will not work. When switched off, we have a dead lead ie. negative earth, and the red light automatically flashes.
• Ford Mondeo III (2000 - 2007) - 05 2.0 tdci Jump leads wrong way round 14 Dec 2008 (Forum)
  Having to jump start the step daughter's Rover 25 today I Placed one end of the red lead on her positive terminal and the other end on my negative (it was going dark and the insulation on the leads runs down the back of the battery). I then put one end of the black lead on her negative and was just about to put the other end on my positive terminal when I realised my mistake, phew!.
• Volvo 340 restart 18 Mar 2003 (Forum)
  Hello, My G-reg 1.4 340 has been sitting idle for 3 months over winter. I've changed the plugs, leads and distributor bits but the thing remains dead. Flat battery I know but even when jump leads connected it only manages one turn before stopping. I disconnected one of the volvo battery leads (from the battery terminal), assuming the jump leads may have been trying to charge the volvo battery, but to no avail.
• Removing HT leads! 28 Aug 2002 (Forum)
  Now I realise that this shouldnt be a problem - but I need help! I am unable to remove the HT leads from the plug on a 1.4 Fiat Brava. I have read the Haynes manual, which basically says pull the cap off (but not using the lead in case of fracturing) I have pulled the cap as much as humany possible (and tried pulling and twisting at the same time).
• Any - Jump leads 11 Sep 2023 (Forum)
  Had a clear out of my garage over the bank holiday weekend and found at least 4 sets of jump leads . Does anyone use these anymore? I’ve got 2 of those power booster packs which seem to do the job adequately.
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  Does the use of jump leads damage modern car electronics? 29 Jan 2012 (Ask HJ)
  A relative recently had to call a rescue service to start her car. She was told that jump starting, either the car to be started or the car used to start...
• Custom made jump leads. 22 Nov 2007 (Forum)
  I want to make a pair of jump leads for my son who has called me out a few times with my leads when he has left his lights on at the office, no one else there has any. The leads I have were made for me using good length light welding cable and two pairs of heavy duty clamps which have helped me and others over the 15 years since they were made for me .
• How many cigarette lighter leads/chargers? 12 Mar 2009 (Forum)
  That's six, all with different plugs on the appliance end, whch is something of an achievement in itself. How many leads/chargers/cigarette lighter gadgets do you have?
• HT lead longevity - Audi A6 26 Apr 2004 (Forum)
  What can one expect from a set of HT leads these days?
• VW CD changer into A3 23 Feb 2004 (Forum)
  I have bought a secondhand VW cd changer to fint in my Audi A3. My A3 has the factory fitted lead int othe bot compartment which has a round plug on the end. The VW CD Changer which i believe to be identical to the audi unit has a rectangular plug on the end of the lead. Does anyone know where i can find the relevant wiring diagrams to make up a lead or where i might be able to obtain a lead at a reasonable price?
• KIA makes history as leading quality brand 19 Nov 2016 (Forum)
  Very impressed by the Ceed, great looking car, should be many more on the roads. Wonder why not more. https://www.kia.co.nz/about-kia/kia-news/kia-makes-history-as-leading-quality-brand/
• "Novelty" jump leads-any good? 19 Nov 2008 (Forum)
  I was wandering around the car accessory department of a supermarket the other day and saw a set of jump leads that work from the cigar lighter socket. Are these things any good? I would be a bit wary myself but just wondered if any BR users had any experience of them?
• HT leads needed for Volvo 850 T5 6 Mar 2003 (Forum)
  Does anyone here know where i can get hold of a set of original quality HT leads for this car. Volvo main dealers are quoting me £78 inc vat, and i dont want to pay this much unless i have to. Ben