Dg123 Posted October 19, 2012 Share Posted October 19, 2012 Hey everyone first post but I look on here all the time. This is the only thing I haven't see. My rpm gauge it will get to about 1000 and just drop back down I dont know anything about that so all the help will be amazing. Thanks for all the information I get from this site and glad I found it. Link to comment Share on other sites More sharing options...
Precise1 Posted October 19, 2012 Share Posted October 19, 2012 Step one is to gently remove the instrument cluster and make sure the brass screws that double as contact points are tight. That seems to solve some problems (I've had a dead Tach come back to life once it was swapped to another vehicle, and then there was te speedo...) B Link to comment Share on other sites More sharing options...
Tungsten Posted October 19, 2012 Share Posted October 19, 2012 It's usually the contact points in the cluster or in the connector to the cluster. You can try pulling the cluster and tightening the screws like Precise1 said. The other option to try is to go and see if the connection to the distributor is good. There is a little wire that goes to the distributor to send the tachometer signal. Sometimes that gets really loose and you lose good signal to the tachometer. Link to comment Share on other sites More sharing options...
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