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Message: <blockquote data-quote="mcglsr2" data-source="post: 1400809" data-attributes="member: 15705">So one of the minor issues that has plagued me since the cluster swap is a bouncing speedo needle.  The needle will read accurately as I'm driving along, however it will also bounce around.  For example, if I'm driving 38 mph the needle will be at 38 mph, then bounce up to like 80 or 90 then back down to 38mph.  A couple seconds or so later will bounce again.  So I can sort of figure out what speed I'm going but it's pretty annoying.  Time to fix it.The issue, I think, is in how I wired it.  I spliced it into the wires that the stock speedo used.  Specifically, the SIG is going to VSS(+) and the GND is going to VSS(-).  After re-reviewing the install instructions, I think I am going to send VSS(-) to a dedicated ground wire rather than using the cluster harness.  I'm hoping it's getting some interference and that's what is making it bounce.  This should be pretty easy to wire up.  I'll report back on whether it is successful or not (and if it, I will update my wiring diagrams).</blockquote>