speedo and tac problem!
05-21-12, 09:39 PM
#1
speedo and tac problem!
So yesterday I was driving on the interstate and ran over thoes rumble groovs that say "slow the F down" and my speedomitor shot up then dropped and is now atleast 20 mph slower than what I am traveling. Then today I was driving and my tac F'ed up also. What the F yo! Any suggestions as where to start looking to solve my ancer, and don't just say "search button". That won't do me any good as I don't even have the faintest idea wtf the problem could even be.
05-25-12, 02:09 PM
#3
Driver School Candidate
Join Date: Oct 2008
Location: florida
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You musta hit those bumps hard!! Both Speedo and tach have a sort of stopper inside the mechanism, but the stopper can actually pass it if you carefully lift the needle and move it. I accidentally did this when I had my dash out and was changing the tach - picked up the speedo needle moved it a bit not noticing the stopper inside and set it down again but past the stopper; the effect was to set my speed back by 15-20 mph!! If you try this, don't force anything - no force is needed at all!!
05-25-12, 08:02 PM
#5
happened to me..i hit a huge bump when they were fixing highway 80 by fairfield a few years back..i just got another head unit and installed it..funny thing too,when i saw the bump coming i hit the brakes hard..real hard, my underbraked lard azz car wouldnt hardly stop..the next week i put myself together a big brake kit
05-25-12, 08:58 PM
#7
You musta hit those bumps hard!! Both Speedo and tach have a sort of stopper inside the mechanism, but the stopper can actually pass it if you carefully lift the needle and move it. I accidentally did this when I had my dash out and was changing the tach - picked up the speedo needle moved it a bit not noticing the stopper inside and set it down again but past the stopper; the effect was to set my speed back by 15-20 mph!! If you try this, don't force anything - no force is needed at all!!
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