dooookie Posted May 8, 2009 Share Posted May 8, 2009 like the title says it... I hit a bump yesterday and my speedo & tach instantly died........if i'm going 100mph on the highway they move to 10-15 mph as for the tach...if i boot it to 6000rpm it' goes up to 2000...then comes back UNDER 0....same thing for the speedo. wat could it be? thx guyz frank Quote Link to comment Share on other sites More sharing options...
90LS400Lexus Posted May 8, 2009 Share Posted May 8, 2009 What year is the car? Quote Link to comment Share on other sites More sharing options...
dooookie Posted May 8, 2009 Author Share Posted May 8, 2009 the car is a 1990 Ls 400 should of mention it.... :P Quote Link to comment Share on other sites More sharing options...
curiousB Posted May 8, 2009 Share Posted May 8, 2009 I saw this posting on an electrical problem. Not sure it has any relevance but looks easy enough to check out. Try the trunk wiring harness first http://www.lexls.com/tutorials/lighting/bulbout.html Quote Link to comment Share on other sites More sharing options...
90LS400Lexus Posted May 11, 2009 Share Posted May 11, 2009 Not sure, but on my old 1990 LS400 I had, when I accidentally hit a sunken in manhole cover in town my speedometer needle went 1/2 way out at the point of impact. I know this is a common issue on these, but I feel that "sped up" that issue on my car. I have always tried to avoid rough pavement/manhole covers, but that day it was unavoidable. They have since repaired that thing. Quote Link to comment Share on other sites More sharing options...
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