Are these Fuel Gauges Repairable?
Thanks Mark .
Fuel Gauge Repairs
Started by
_1965mjr_
, Apr 17 2017 09:13 PM
11 replies to this topic
#2
hanra
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Posted 17 April 2017 - 09:20 PM
Is it the gauge or the sender at fault?
#3
_1965mjr_
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Posted 17 April 2017 - 09:36 PM
Hi Brad , my bad it is actually the temp gauge on my yellow needle dash that has a wire broken/burnt on the gauge itself ,was trying to post a pic ,but it's been to long and I've forgot how to do .
Thanks Mark .
Thanks Mark .
#4
hanra
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Posted 18 April 2017 - 06:02 AM
Sounds like your in the same boat as me trying to repair a volt meter. Make sure your voltage regulator is in serviceable condition.
#5
AbsynthHatch
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Posted 18 April 2017 - 12:18 PM
Brad does each gauge in the cluster have a similiar type of winding like you have referred to your volt meter thread?
If the regulator and sender is ok on Marks' cluster, where would you look too next?
Cheers Mark.
#6
hanra
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Posted 18 April 2017 - 12:23 PM
The 3 gauges (Temp/Oil/Fuel) are all 13ohms and essentially identical, these 3 are all 5v powered needles via the voltage regulator.
The volt gauge is 351ohms and is not powered by the voltage regulator but rather the 12v rail.
Sounds to me that the nichrome wire on his gauge is burnt out. Best to put a multimeter across the terminals on the back of the cluster and see if its 13ohms or O/C.
The volt gauge is 351ohms and is not powered by the voltage regulator but rather the 12v rail.
Sounds to me that the nichrome wire on his gauge is burnt out. Best to put a multimeter across the terminals on the back of the cluster and see if its 13ohms or O/C.
#7
AbsynthHatch
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Posted 18 April 2017 - 12:40 PM
I presume then that the most common cause of gauge failure would be if the sender wire was to short to ground, this would cause the nichrome wire to burn out or the 5 volt regulator to fail.
Would you find this nichrome wire locally in say J-Car or are you best to source through a instrument repair shop.
Have you repaired a temp or oil pressure gauge before.
#8
hanra
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Posted 18 April 2017 - 01:11 PM
With the help of forum member VDO, I am going to attempt to repair the U/S volt meter that I have. He is supplying the Nichrome wire from VDO.
The 3 gauges would generally fail due to Voltage Regulator failure or chafed sender wire to ground.
The volt meter.....? I could only think that perhaps wear and tear? Or a U/S alternator regulator has caused the voltage to go to 18v for a period of time and burnt the insulation off the wire and causes it to short out.
The 3 gauges would generally fail due to Voltage Regulator failure or chafed sender wire to ground.
The volt meter.....? I could only think that perhaps wear and tear? Or a U/S alternator regulator has caused the voltage to go to 18v for a period of time and burnt the insulation off the wire and causes it to short out.
#9
AbsynthHatch
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Posted 18 April 2017 - 01:33 PM
Thanks for the info mate,
I'm sure this will be a big help for alot of people.
#10
hanra
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Posted 18 April 2017 - 01:40 PM
Hopefully I can re-wind this volt meter successfully and get this meter going again. The other 3 gauges work fine and are pretty accurate, the tacho and speedo are also good.
#11
arrimar
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Posted 18 April 2017 - 02:00 PM
Hey Brad is U/S sparky code for upen sircuit?
#12
hanra
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Posted 18 April 2017 - 02:20 PM
Sorry, U/S = Un-serviceable.
O/C is what I use for Open Circuit.
O/C is what I use for Open Circuit.
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