I will have to give it a try. Indeed it seems to occur when the van is moving at high speed. It totally comes and goes. I will try and lubricate it as well. I made a recording of it via my iphone. I have to upload it so you can hear it. Thanks! Rob On Feb 20, 2011, at 11:08 AM, Alistair Bell wrote: > does it only occur when van moving? if so it might be speedo cable as > you guessed. if so, try lubing... disconnect cable from speedo head > (either a pinch clip affair or screw on, depending on van year, should > be obvious), some light oil in the cable. > > alistair > > > > > > > On 20-Feb-11, at 12:52 AM, Robert Stewart wrote: > >> Rob, >> >> Thanks the reply. This most definitely comes and goes. It sounds >> like it's a weak electrical short but with a strange frequency I >> have never heard before. Definitely not the any pressure/coolant >> etc. alarm sound. >> >> Which relay is the Turn signal unit? How might I test to see if a >> relay has gone bad? >> >> The weird sound seems to be coming out of the speedometer to me or >> the lights above the speedometer/odometer. Could they be burning out? >> >> Could it be the speedometer cable whining at high speed and just >> making a noise? Could I somehow spray lubricant where it connects to >> the module in the dash to solve it? >> >> Thanks, >> Rob |
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