Question about 1994 Buick LeSabre

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Speedo problem i have a 94 buick and my brothers daughter kicked the bottom of the panel underneith and now the speedo doesnt work i have put a differnt cluster in to find that did that same and changed the vss and still does it went to look for see if there is a wire off and whoever owened it before disabled the security box and have everything routed but no lose wire and the gauges resigters when u turn on the car and stuff just doesnt read the speed and the lights on it work and all just its a odd problem i can not figure out thought about a relay under hood but they are not marked and if it was the cluster shouldnt light up right lol help me out????

Posted by iflysolo19 on

  • iflysolo19 Sep 11, 2008


  • iflysolo19 Sep 11, 2008

    ok i have hooked this car up to the big ecu code reader at my uncles it is reading the speed from the ecu and all i stuck a new vss in this ive tryed 7 differnt clusters i doubt 7 are bad the cluster lights up and reads to 0 when u go nothing i have checked grounds they are fine i even tryed rigging a ground to the cluster to ground itself out by itself nothing still the same but i do know is that the ecu is reding the speed and sending it to the cluster i tested the wires and im getting fluxuation threwout like ur spost to i doubt 7 clusters were bad im still lost here any other suggestions??????



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What you need to do make sure you have power to the speed sensor wire if not then trace back to fuse panel or relay usually the cover you take off under the hood has a scematic if there is power at the wires below the speed sensor you put in might call for a air gap adjustment some vehicles if mounted at flywheel threw tranny housing if mounted into side of tranny gear driven make sure the wires have good contact but where ever you said the car was kicked i would search for grounded wires this is uncommon with just a kick for a speed sensor to go

Posted on Sep 11, 2008


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