DevoScoobyRoo Posted August 31, 2013 Share Posted August 31, 2013 My rpm gauge on my 86 brat usually doesn't work but on occation will start working. I'm assuming its a ground. I haven't tried too hard to investigate thought I'd get some ideas from you guys first. Also anyone know if gen 1 brat canopy will fit on a gen 2? I need one before next weekend for the west coast sub show and I'd like to take my pups. Quote Link to comment Share on other sites More sharing options...
Mykeys Toy Posted August 31, 2013 Share Posted August 31, 2013 The tach is run off the coil.. I do not know of any other wires for it.. Could be gauge cluster related too.. A gen 1 canopy will not fit a gen 2 body. Quote Link to comment Share on other sites More sharing options...
coxy Posted August 31, 2013 Share Posted August 31, 2013 Does it play up in relation to the weather, I know mine does and I am in Sydney so it generally does not get as Cold as it can in Salem, When the car gets older the lubricant in the instruments can age and get thicker so the tach especially can become erratic and sticky and not seem to work or spin up to a certain RPM and become stuck there, Just a thought I have a mate who is a Scientiffic Instrument maker and he clued me up on this one it may well not be electrical on older vehicles. Quote Link to comment Share on other sites More sharing options...
DevoScoobyRoo Posted September 3, 2013 Author Share Posted September 3, 2013 It just seems stuck. Ill have to continue investigating Quote Link to comment Share on other sites More sharing options...
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