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| Bench Testing Fuel Gauge https://slantsix.org/forum/viewtopic.php?t=13184 |
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| Author: | DART68 [ Sun May 29, 2005 5:48 pm ] |
| Post subject: | Bench Testing Fuel Gauge |
Is there any way to bench test a fuel gauge? I really would hate to replace a faulty gauge with another faulty gage. Thanks-DART 68 |
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| Author: | Craig [ Sun May 29, 2005 6:50 pm ] |
| Post subject: | Re: Bench Testing Fuel Gauge |
Quote: Is there any way to bench test a fuel gauge? I really would hate to replace a faulty gauge with another faulty gage.
Do any testing very carefully, do not, I repeat do NOT ever apply 12 volts or even 6 volts across the gauge terminals, you will fry it.Thanks-DART 68 I have the luxury of test equipment and a power supply with adjustable voltage and current limiting and an understanding of electronics so I am able to do tests that the average person probably can not. You can test the gauge for continuity with an ohm meter, this will not hurt the gauge. I do not know what resistance value you should read and I do not have any gauges handy to test at this time. As for a functional test, you can try a 1.5 volt flashlight battery as your power source. Apply the voltage accross the gauge terminals and after a delay the needle should move up. The polarity on these mopar gauges does not matter since they are a thermal gauge, not magnetically operated. It's been several years since I used the above described test using a battery ( I was trying to figure out a way to test the gauges at a salvage yard). This should get you started. Let us know the results. |
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| Author: | DART68 [ Sun May 29, 2005 10:19 pm ] |
| Post subject: | |
Thanks for the info. Would you recommend one battery or two. It seems that two would put out three volts or does it just provide a longer lasting 1.5 volts? I forget the formulas for connecting batteries in series and parallel. Thanks-Dart68 |
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| Author: | hitokage [ Mon May 30, 2005 12:16 am ] |
| Post subject: | |
One or two batteries should be fine. One battery should make the gauge show about 1/3 full. If you put two of them in series you'll get three volts which should make the gauge show about 3/5 (a little more then half) full. Steve G. |
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| Author: | DART68 [ Mon May 30, 2005 1:38 am ] |
| Post subject: | |
Thanks for the impute. I'll give it a try tomorrow. Thanks-Dart68 |
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