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    L35 temp and fuel gauges not working

    I saw that earlier today, I also saw one on Amazon but it was only rated for 1 amp, you think that would be enough for 2 gauges? I like to buy off Amazon if possible, their return policy is so super easy. Plus I would have it in 2 days instead of the 7 to 10 days with the other one, only...
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    L35 temp and fuel gauges not working

    Yeah the the wire going from the VR to the 7V terminal is burned into and the VR looks to be shorted. Wish someone sold them but probably have build one.
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    L35 temp and fuel gauges not working

    Thanks, I had considered using a 9V battery but didn’t know how sensitive the bimetallic was, this is my first rodeo with these type of gauges.
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    L35 temp and fuel gauges not working

    I will pull that one off tomorrow and take a look at it, wish I had a verible power supply I would set it to 7V and hook to the temperature gauge to see if it works.
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    L35 temp and fuel gauges not working

    That’s the thing between + and ground I have 12V but nothing between 7V and ground. The trace from 7V on the fuel gauge runs over to the 7V on the Temperature gauge, so if the 7V is created by the fuel gauge and it goes bad then you lose your Temp gauge also, that’s not a good setup!!
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    L35 temp and fuel gauges not working

    The gauge with the 4 terminals is the fuel gauge, the one on the other side is the temperature. Serial # for the tractor is 64690, best I could find out DOM is between 2001 and 2003, the L35 was produced from 1999 to 2004. Still have not found the voltage regulator/limiter that produces the 7V...
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    L35 temp and fuel gauges not working

    I kicked that idea around but according to the wiring diagram it shouldn’t make a difference, plus all the lights are off once the tractor starts up. It’s no big deal to put the bulbs back in to see if that makes a difference.
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    L35 temp and fuel gauges not working

    Ground is good, got 12 volts but missing 7 volt, research says the 7 volt comes from the 12V through a voltage regulator/limiter. Can’t find the limiter, supposed to be on the back of the printed circuit board of instrument panel. Problem started when I replaced the panel bulbs with LED’s, I had...