MACKS Posted April 16, 2019 Share Posted April 16, 2019 My tachometer is whacked out,any one know where the sensor is located? Quote Link to comment Share on other sites More sharing options...
Mack Technician Posted April 16, 2019 Share Posted April 16, 2019 (edited) Clean your flywheel housing sensor. They tend to pick up clutch metal on magnetic tip. Edited April 16, 2019 by Mack Technician 1 Quote Link to comment Share on other sites More sharing options...
fjh Posted April 16, 2019 Share Posted April 16, 2019 E7 ? Left Side near starter ! V8 right side bottom! flwheel housing Quote Link to comment Share on other sites More sharing options...
2000CL713 Posted April 16, 2019 Share Posted April 16, 2019 my CL tach does some funky shit sometimes too. like id me at a set MPH on the highway and the RPM will start to jump around but it does sound like the motor is raising its rpm speed as well. but its does it fast. not sure what it is. doesnt anyways do it. never could understand or come to idea what would do it. Quote Link to comment Share on other sites More sharing options...
Mack Technician Posted April 16, 2019 Share Posted April 16, 2019 22 minutes ago, 2000CL713 said: my CL tach does some funky shit sometimes too. like id me at a set MPH on the highway and the RPM will start to jump around but it does sound like the motor is raising its rpm speed as well. but its does it fast. not sure what it is. doesnt anyways do it. never could understand or come to idea what would do it. Swap in a known-good tach head. Quote Link to comment Share on other sites More sharing options...
2000CL713 Posted April 16, 2019 Share Posted April 16, 2019 8 minutes ago, Mack Technician said: Swap in a known-good tach head. dont have one at the moment to swap in but its something i thought of doing yet i dont think that will do anything really since it seems like the motor itself is raising in sound as well when the rpms start to jump around. its done it for years. Quote Link to comment Share on other sites More sharing options...
MACKS Posted April 16, 2019 Author Share Posted April 16, 2019 10 hours ago, Mack Technician said: Clean you flywheel housing sensor. They tend to pick up clutch metal on magnetic tip. It's a 96,would it have one? Quote Link to comment Share on other sites More sharing options...
MACKS Posted April 16, 2019 Author Share Posted April 16, 2019 7 hours ago, fjh said: E7 ? Left Side near starter ! V8 right side bottom! flwheel housing Thanks.. Quote Link to comment Share on other sites More sharing options...
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