binsayer Posted November 9, 2005 Share Posted November 9, 2005 guys i just finished rebuilding my Z it has an elec fan and now it over heats all the time and when i turn the lights on it over heats faster oh yeah and another thing sometimes my speedometer hits 160 while the gear is not even shifted i think i have an electrical problem help me out please i think the fan is not getting enough power for some reason oh and just so you know there is no belt fan Quote Link to comment Share on other sites More sharing options...
mario_82_ZXT Posted November 10, 2005 Share Posted November 10, 2005 With all those electrical problems, are you even sure it's overheating? The alternator or voltage regulator might be at fault, especially if they are really old and your electric fan pulls a lot of juice. Mario Quote Link to comment Share on other sites More sharing options...
ezzzzzzz Posted November 10, 2005 Share Posted November 10, 2005 I agree with Mario. Sounds like you have goblins in the electrical system. You could hook up a mechanical gauge to check for overheating. You could use an aftermarket electrical gauge powered directly off the battery too. I suggest you look for damaged wire(s) or faulty grounds under the dash. You may have gauges trying to find a ground through another gauge or component because there is no ground. Multi-element taillights will due this when a ground is bad. Quote Link to comment Share on other sites More sharing options...
AK-Z Posted November 11, 2005 Share Posted November 11, 2005 Well I know the L6 engine cars (72-83) had mechanical speedos, so there could be something wrong with the trans. if its the 300zx then I don't know if it was mechanical or electrical. You could check if the balast resistor is bad also. something like that happend with my jeep. Quote Link to comment Share on other sites More sharing options...
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