V12 Cabriolet Electrics Issue

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    • #4605
      Martin Ball
      Participant

      V12 5.3 Cabriolet

      The engine runs very nicely.

      The electrics are the issue and I slowly getting on top of them at the moment. Major issue for me is that I don’t have dash lights as the fuse blows without even the ignition on. I’ve traced the short to somewhere between the fuse box and the light switch and I am sure it is in the dash where I can’t see it.
      I tried bypassing the short today by taking a wire from the slight switch, through an in-line fuse and to the rheostat and got the dash lights working OK but lost the parkers, left hand rear light and left hand rear number plate light. At one point the parkers were flashing on and off. Very pretty. I think I upset the balance with the bulb failure until to cause this. I’ve reversed my changes and back to square one.

      I’ve have another think about this and would welcome any thoughts or other repair schemes.

      Regards Martin

    • #4622
      Martin Ball
      Participant

      Just a note that I think I cut into the wire going to the bulb failure unit. There were two red/slate wires out of the lights switch and I knew I had a 50:50 chance of getting it right and I reckon I didn’t. I’ll move the bypass to the other red/slate wire which would normally run the fuse box this weekend and see how that goes. Fingers crossed. Martin

    • #4723
      Martin Ball
      Participant

      Success. I cut into the other red/slate wire from the light switch, through the in-line fuse and then into the rheostat that way bypassing the short in the dash somewhere. Quite pleased but I note lots of talk about how dim they are. Just happy to have them at the moment. Cheers

    • #4728
      Laurence Jones
      Keymaster

      That’s good news Martin – electrical shorts are a nightmare to find at the best of times, let alone up within the dash.

      Laurence

    • #4763
      Laurence Jones
      Keymaster

      Regarding the Dashboard lights, I’ve just posted and article in our site’s Articles section, about how I improved them on my car.

      The article section can be found in the right-hand menu on this site’s Home page

      Laurence

    • #4878
      Martin Ball
      Participant

      Thanks Laurence

      Very interesting article. I’ll look at the LED options as a first step and see how they go. I would like to put an LED in place of the fibre optic bulb as well. Regards
      Martin

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