temp gauge not working
temp gauge not working
Hello. Been reading lots of posts but havent seen my specific prob. Yet. Just acquired a 75 and have done all the basics (valve adj., timing, new plugs, fuel and oill filter).just got carbs back in after cleaning and adjusting. Think I still have a sm. vac leak somewhere. Temp gauge stopped working(Fuel gauge works fine).all fuses good. All grounds seem good. Im getting a 12 v. Reading from one wire going to 7v reg. But nothing from other. Any ideas would be much appriciated!
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Re: temp gauge not working
If your fuel gauge is working normally, then your 7 volt regulator is fine. Both the temp and fuel gauges work off the same 7 volt feed from that regulator.shasta xx wrote:Hello. Been reading lots of posts but havent seen my specific prob. Yet. Just acquired a 75 and have done all the basics (valve adj., timing, new plugs, fuel and oill filter).just got carbs back in after cleaning and adjusting. Think I still have a sm. vac leak somewhere. Temp gauge stopped working(Fuel gauge works fine).all fuses good. All grounds seem good. Im getting a 12 v. Reading from one wire going to 7v reg. But nothing from other. Any ideas would be much appriciated!
Look at your temp gauge - there is an input side (which is the +7 volt feed from the regulator) and an output side, which runs to the temperature sensor. Ground that output side and see if the gauge moves. If it does, then the gauge is OK.
Next, ground the terminal of the temperature sensor. If the gauge moves again, then the problem is the sensor. If the gauge doesn't move, then the problem is likely the wire somewhere between the gauge and the sensor has gotten broken, or a connector has failed.