Voltage Limiter

[rick_rawker]

Ok guys, I give up. Where in the world did they hide the fuel and temp gauge voltage limiter in my 64 Dart ? My gauges went from good readings to half of what they used to be, and I suspect a limiter problem, although I have put a test on the temp sender unit, and it 'pulses' voltage like the service manual says it is supposed to. I have taken the instrument cluster out, inspected, and tested great. There is not a limiter on the back of it, ( or the used one I have ). The gauges had been working fine...sure wish you guys would let me in on the secret hiding place !

 

[rick_rawker]

...would my gauges be three prong if the limiter was inside the gauge ?...looking through old posts and can't find anything about my two prong gauges having a limiter inside...

 

[slantsixdan]

The limiter is built into the fuel gauge on your '64. See this page for good info on the subject.

 

[rick_rawker]

Well I DO have three prongs. Now, do I tear into this one and do the solid state conversion, ( this is an extra cluster ) OR, do I put this gauge in and hope the limiter inide lasts. Uhmm...
Ya know, it still bugs me that both gauges in my car still work ( reading half of normal ). I thought when the limiter went out, it fries the gauges completely.
Anyway, thanks for helping me find my hidden limiter !

 

[slantsixdan]

My vote, if you have the time and money, would be to do it the "fix and forget forever" way (electronic regulator swap).

If the original-type regulator's points stick closed, the gauges fry. If they stop closing (or stop making electrically-good contact), the gauges don't register. If they make poor contact or the bimetal control arm goes off spec, the gauges read low.