Dont rule out a bad ground just yet.
Are the gauges grounded seperatly or pigtailed together ?
If they are pigtailed togther (one linked to another to another etc then grounded) you may encounter your exact symptom.
Also check to see if your signal wires are "clumped togther". They should run seperate and not zip tied as a bunch. This sometimes causes signal interference.
Last edited by HRBS; 09-09-2008 at 05:37 AM.
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