Erratic Fuel Guage
#16
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I got the sender wiring off and the fuel line but now Stan has me worried I may do more damage than good.
Per Stafford post I'll clean the connections and see if that makes a diff:
Per Stafford post I'll clean the connections and see if that makes a diff:
![](http://forums.rennlist.com/upload/fuel_sender.jpg)
#17
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The sender is all apart and measures similar resistance values; all is clean and connections are good. Its going back in and I''l clean the connections:
#18
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Did you make sure that the wipers are tight on the wire, and that the wire has no kinks? Also, if you don't fill/empty the tank regularly (e.g. winter storage w/less than full tank) you will get varnish buildup on the wire.
#20
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The sender is back in and I restarted the car 3 times..............different fuel readings on every restart and its still 'wavering'.
Dave............is there a wipe you'd recommend on the wires? an alcohol of sorts?
For all others that are following along this is NOT a project for the faint of heart..........your dealing with gas and the extraction of the sender exposes the fuel tank and all fuel within. Be very very carefull.
Dave............is there a wipe you'd recommend on the wires? an alcohol of sorts?
For all others that are following along this is NOT a project for the faint of heart..........your dealing with gas and the extraction of the sender exposes the fuel tank and all fuel within. Be very very carefull.
#21
Done With Sidepatch
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Malcolm...I'm sure this isn't your issue but many fluctuating instrument readings are causing by bad grounds or a bad ground wire (my personal experience).
Thought I would add that for those searching in the future.
Thought I would add that for those searching in the future.
#22
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Good point Mike..............the sender has a ground wire which leads to wherever...........another project; clean all grounds
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#23
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The sender is back in and I restarted the car 3 times..............different fuel readings on every restart and its still 'wavering'.
Dave............is there a wipe you'd recommend on the wires? an alcohol of sorts?
For all others that are following along this is NOT a project for the faint of heart..........your dealing with gas and the extraction of the sender exposes the fuel tank and all fuel within. Be very very carefull.
Dave............is there a wipe you'd recommend on the wires? an alcohol of sorts?
For all others that are following along this is NOT a project for the faint of heart..........your dealing with gas and the extraction of the sender exposes the fuel tank and all fuel within. Be very very carefull.
#24
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Is B-12 available at electronic stores?
I'll attempt to trace the ground; hopefully is joined into the rear harness and the the main grd plain close to batt grd.
I'll attempt to trace the ground; hopefully is joined into the rear harness and the the main grd plain close to batt grd.
#25
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Here's a pic of what the packaging looks like from their site:
![](http://www.berrymanproducts.com/Portals/0/BPI%20IMAGES/0113-LR.jpg)
I haven't had experience with their other products except for the chem dip (B-9, used to be B-99) which will make a carb look like it just came back from the rebuilder's, though you have to make sure you don't have steel and aluminum in contact with each other while in the dip because it will discolor both.
#27
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I should have mentioned, that stuff is what I prefer but you can use damn near anything to clean those wires. Alcohol, paint thinner, etc.
If they were shiny when it came apart they are probably fine.
If they were shiny when it came apart they are probably fine.