I have an 86 ZXT with the digital guages. Today they started going a bit crazy. My voltage meter shot all the way up over 16 and my temp gauge dropped all the way down to the bottom. They are moving together in perfect sync but in opposite directions. Occasionaly it will correct itself for a moment, the voltage will go to around 14 and the temp will rise to close to the middle but then they jump back to their one stuck up and one stuck down positions. All appears normal under the hood. Any ideas what could make this happen?
I've never heard of that scenario before.
The first thing I would do is establish whether the voltmeter is actually reading correct. Use a multimeter on the battery while the voltmeter is pegged.
my guages in my 86ZXT did the same thing. pretty much stopped after I changed my alternator and negative battery terminal but I have no idea if they were related
A forum community dedicated to Nissan and Datsun Z car owners and enthusiasts. Come join the discussion about performance, modifications, restorations, troubleshooting, maintenance, and more!