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fuel gauge circuit board?

 
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Old 02-15-2011, 03:15 PM
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fuel gauge circuit board?

alright I know there are like 200 different posts about the fuel/temp gauge going out I want to know is it something more than just the circuit board or did I just go and replace my old one with another bad one any info would be great
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Old 02-15-2011, 09:54 PM
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Re: fuel gauge circuit board?

Good luck on finding what is wrong with the board. I have been troubleshooting mine for 2 weeks on and off and have found multiple problems with mine. All are related to a power surge. I have found two blown capacitors, 1 bad diode, 4 burned traces and 2 non-functioning IC chips. The IC chips are the problem because they are not labeled. There are no diagrams or schematics for the boards either. I know what functions the chips perform and I am working on finding the correct replacements. Either way it will be cheaper to find a used one. I already have about 7 hours of troubleshooting into my board, so at a shops tech rate of $35 an hour it would already have cost 245 + parts (if I had to pay, I’m an electronics technician). So just buy a used one or even a new one it’s not worth the effort or cost to fix the board if you cannot troubleshoot/fix it yourself. Once I fix mine I will post a small write up on some steps to find out what’s wrong and some of the part numbers for the chips that I found are bad.
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Old 02-16-2011, 05:11 PM
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Re: fuel gauge circuit board?

Quote:
Originally Posted by projectlude30 View Post
Good luck on finding what is wrong with the board. I have been troubleshooting mine for 2 weeks on and off and have found multiple problems with mine. All are related to a power surge. I have found two blown capacitors, 1 bad diode, 4 burned traces and 2 non-functioning IC chips. The IC chips are the problem because they are not labeled. There are no diagrams or schematics for the boards either. I know what functions the chips perform and I am working on finding the correct replacements. Either way it will be cheaper to find a used one. I already have about 7 hours of troubleshooting into my board, so at a shops tech rate of $35 an hour it would already have cost 245 + parts (if I had to pay, Iím an electronics technician). So just buy a used one or even a new one itís not worth the effort or cost to fix the board if you cannot troubleshoot/fix it yourself. Once I fix mine I will post a small write up on some steps to find out whatís wrong and some of the part numbers for the chips that I found are bad.
ok cool yea if you fix yours up let me know what is going on i have 2 circuit boards one has a blown compaitor and the other has a slight brown mark under the display idk what it is idk that much about them but i just wanted to also know is it just the circuit board that goes bad in these ludes or is it something else somewhere in the dash or somewhere else its annoying me not seeing my gas and I always look athe the temps and oil pressure to make sure everything is alright and its driving me nuts not knowing it
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