Phooey Posted February 11, 2016 Share Posted February 11, 2016 I pulled the float assembly this morning expecting it to be all solidly covered in Petseal. It wasn't. It moves completely smoothly and freely.Any ideas where I should look next? Was working fine before I started my little revamp job and as far as I can tell have not disturbed any electrics. All other dials and lights on the dash work fine. Quote Link to comment Share on other sites More sharing options...
Hoggs Posted February 11, 2016 Share Posted February 11, 2016 ....what is this "fuel gauge" you speak of?? Is it just a light? bulb gone?? Quote Link to comment Share on other sites More sharing options...
Phooey Posted February 11, 2016 Author Share Posted February 11, 2016 No Hoggs, it's a 'REAL' gauge. Quote Link to comment Share on other sites More sharing options...
JRH Posted February 11, 2016 Share Posted February 11, 2016 ....what is this "fuel gauge" you speak of?? Is it just a light? bulb gone?? Some bikes have REAL gauges. Quote Link to comment Share on other sites More sharing options...
RantMachine Posted February 11, 2016 Share Posted February 11, 2016 Witchcraft! Quote Link to comment Share on other sites More sharing options...
JRH Posted February 11, 2016 Share Posted February 11, 2016 I pulled the float assembly this morning expecting it to be all solidly covered in Petseal. It wasn't. It moves completely smoothly and freely.Any ideas where I should look next? Was working fine before I started my little revamp job and as far as I can tell have not disturbed any electrics. All other dials and lights on the dash work fine. If you have a multimeter, set it to resistance and disconnect the float switch. Then measure the resistance of the float switch, move the float and check the resistance changes. This will tell if the float assembly is working. If ok then check the rest of the wiring back to the gauge.HTH. Quote Link to comment Share on other sites More sharing options...
Phooey Posted February 11, 2016 Author Share Posted February 11, 2016 I pulled the float assembly this morning expecting it to be all solidly covered in Petseal. It wasn't. It moves completely smoothly and freely.Any ideas where I should look next? Was working fine before I started my little revamp job and as far as I can tell have not disturbed any electrics. All other dials and lights on the dash work fine. If you have a multimeter, set it to resistance and disconnect the float switch. Then measure the resistance of the float switch, move the float and check the resistance changes. This will tell if the float assembly is working. If ok then check the rest of the wiring back to the gauge.HTH. It would if I had a meter Sadly I don't. Quote Link to comment Share on other sites More sharing options...
JRH Posted February 11, 2016 Share Posted February 11, 2016 Bugger. Know any one who has? Quote Link to comment Share on other sites More sharing options...
Hoggs Posted February 11, 2016 Share Posted February 11, 2016 Some bikes have REAL gauges. pft I have an trip odometer and fill up when it gets to about 120 In theory I reckon I could easily get to 160 / 170 but I chicken out Phooey have you tried tapping on the glass really hard? Worked in one of my old cars Quote Link to comment Share on other sites More sharing options...
Phooey Posted February 11, 2016 Author Share Posted February 11, 2016 Ok, so I put a piece of wire across the terminal of the connector, - loom side not float side - and turned the ignition on. The gauge slowly moved all the way up to full.So the issue MUST be from the float side. Quote Link to comment Share on other sites More sharing options...
eastanglianbiker Posted February 11, 2016 Share Posted February 11, 2016 this is ideal http://www.halfords.com/workshop-tools/ ... multimeter Quote Link to comment Share on other sites More sharing options...
Phooey Posted February 11, 2016 Author Share Posted February 11, 2016 this is ideal http://www.halfords.com/workshop-tools/ ... multimeter Looks like a trip to Halfords is on the cards. Thanks, EAB. Quote Link to comment Share on other sites More sharing options...
eastanglianbiker Posted February 11, 2016 Share Posted February 11, 2016 check the website to make sure your local store has it in stock if they havent ring them and they might be able to get it there for this afternoon i know my local one can Quote Link to comment Share on other sites More sharing options...
Phooey Posted February 11, 2016 Author Share Posted February 11, 2016 Looks like they have it in stock. Quote Link to comment Share on other sites More sharing options...
Phooey Posted February 11, 2016 Author Share Posted February 11, 2016 OK ... bought the meter.Tested the assembly, getting 10 ohms in one position (assuming full) and about 120 ohms in the other position (assuming empty).So gauge is ok AND it would appear sending unit is OK. Would be reasonable to assume that wiring between both units is also ok.Any idea's.?? Quote Link to comment Share on other sites More sharing options...
eastanglianbiker Posted February 11, 2016 Share Posted February 11, 2016 gauge itself faulty or the plug under the tank where it connects into main loom has got bad/dirty pins in the plug itself Quote Link to comment Share on other sites More sharing options...
Phooey Posted February 11, 2016 Author Share Posted February 11, 2016 I tested the gauge by shorting the pins and it works fine. I also cleaned out the plug so no reason why that should be a problem. Unless I am missing something I don't see the issue. Quote Link to comment Share on other sites More sharing options...
eastanglianbiker Posted February 11, 2016 Share Posted February 11, 2016 check the wire coming out of the gauge under the tank you havent crimped it onto the frame by accident have you and it might of cut the wire inside the sleeve test t he wires from sender to plug using the ohms side of the multimeter Quote Link to comment Share on other sites More sharing options...
Phooey Posted February 11, 2016 Author Share Posted February 11, 2016 Everything seems to be working fine EAB ... I connected the assembly to the plug and moved the float with my hand and the gauge responds. I've put it all back together now and will try some more petrol in the tank. I'm hoping the 5l I put in wasn't enough to move the gauge (forever the optimist). I seem to have rather a large reserve on this one. Quote Link to comment Share on other sites More sharing options...
Stu Posted February 11, 2016 Share Posted February 11, 2016 5l will be your reserve Quote Link to comment Share on other sites More sharing options...
eastanglianbiker Posted February 11, 2016 Share Posted February 11, 2016 5 litres that half fills my tank on the harley lol mind u i have to refill after 90 miles Quote Link to comment Share on other sites More sharing options...
Phooey Posted February 11, 2016 Author Share Posted February 11, 2016 just put another 5l in and still nothing. Doesn't even try to move! Quote Link to comment Share on other sites More sharing options...
JRH Posted February 11, 2016 Share Posted February 11, 2016 It sounds like the float isn't floating. Can you take the float unit out again, I know you have 10ltr of fuel int there. Then if possible lower the float unit into some liquid and check that it does actually float and move the sender arm.Otherwise is there anything in the tank that is stopping the float from moving, annoying bit of pet seal? Quote Link to comment Share on other sites More sharing options...
Phooey Posted February 11, 2016 Author Share Posted February 11, 2016 It sounds like the float isn't floating. Can you take the float unit out again, I know you have 10ltr of fuel int there. Then if possible lower the float unit into some liquid and check that it does actually float and move the sender arm.Otherwise is there anything in the tank that is stopping the float from moving, annoying bit of pet seal? Will try floating the float! Have to be tomorrow.As far as anything interferring ... can't tell. I did look but couldn't see anything. Quote Link to comment Share on other sites More sharing options...
Fozzie Posted February 11, 2016 Share Posted February 11, 2016 Do you have a picture and description of the pins on the gauge?Like V+, V- Sig in, Sig out. That kinda stuff? Shorting out its signal will get a high or low (full/empty) reading. But it could be broken so that's all it can manage now.The gauge is a surprisingly sensitive piece of kit, you'd be better replacing it for a new one that operates between 10-120ohms. Quote Link to comment Share on other sites More sharing options...
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