fuel light stays on, where is the problem? need help
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Outstanding HDF Member
Joined: Apr 2009
Posts: 2,371
Likes: 6
From: near Paris, France
fuel light stays on, where is the problem? need help
So, could someone help me with this problem. I swap my gauges for CVO ones. I bought used small ones on ebay (french), new tachometer on ebay (US) and ordered speedometer for my mileage. I put dash off for amp wire at the same time.
Before swapping, everything was working well but now i've got the fuel gauge which seemed to work bad and fuel light always on. At last the fuel gauge don't stop when i shut off the bike.
- I take off fuel gauge to see if part number was good : yes
- I put old gauge on : same problem
Could someone help me finding what did i do wrong, where to look/check or where is the problem? Thanks for help
Before swapping, everything was working well but now i've got the fuel gauge which seemed to work bad and fuel light always on. At last the fuel gauge don't stop when i shut off the bike.
- I take off fuel gauge to see if part number was good : yes
- I put old gauge on : same problem
Could someone help me finding what did i do wrong, where to look/check or where is the problem? Thanks for help
Club Member
Joined: Jun 2007
Posts: 45,429
Likes: 2,898
From: Bedford UK
Hav you tried refitting the original gauge, to check if everythng works fine? At some time Harley changed the characteristics of the fuel gauge and they are not backwards or forwards compatible, so if you have an older gauge, that is probably the problem.
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Outstanding HDF Member
Joined: Apr 2009
Posts: 2,371
Likes: 6
From: near Paris, France
i refit original gauge, light stays on. For the characteristics, i was thinking it was a '08 and newer gauge but it's an '04 one, the one i need
Road Master
Joined: Jan 2011
Posts: 945
Likes: 121
From: Where The Bluegrass Grows
Might checkout the resistance on the fuel gauge and light. I read a couple posts about guys changing out 07 to 08 fuel tanks and getting that extra gallon and then having problems with the fuel gauge and light. Had something to do with the resistance on the gauge and light. They are posted in this in this forum. Should be able to look it up in search for 07 vs. 08 tank swap.
SugsPa
SugsPa
Road Master
Joined: Jan 2011
Posts: 945
Likes: 121
From: Where The Bluegrass Grows
Check this out. May be some info in there to help you. Hope you get your problem solved. Have to read through this post. I think it ended up having some to do with the speedometer. https://www.hdforums.com/forum/touri...fuel+tank+swap
Grand HDF Member
Joined: Jan 2012
Posts: 4,459
Likes: 2,900
From: Oklahoma
Since the original and the new gauge behave the same way, it looks like the "wire for wire" change got messed up somewhere. Do you have a wiring diagram to check color codes of wires to each item? It's hard to mess up a ground connection, either it goes to the frame or it doesn't. Have you checked for continuity between the frame and the end connected to your instruments? All that is left after that is to be certain the instrument end of the ground is connected to the correct location. If it goes to what should be the feed side of a gauge, you are going to ground through a resistor and everything will be confused.
Thread Starter
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Outstanding HDF Member
Joined: Apr 2009
Posts: 2,371
Likes: 6
From: near Paris, France
Check this out. May be some info in there to help you. Hope you get your problem solved. Have to read through this post. I think it ended up having some to do with the speedometer. https://www.hdforums.com/forum/touri...fuel+tank+swap
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Road Captain
Joined: Jun 2010
Posts: 609
Likes: 14
From: Mount Airy, MD
I remember reading somewhere on how to reset the mileage to empty function. It went something like, with the ignition and run switch on, pull the main fuse. Then push in on the trip meter button and hold it in while reinserting the main fuse with the ignition and run switch on. The speedometer should light up and appear frozen or locked up if you will. Release the trip meter button and turn the ignition off. Then turn the ignition on again and see if the light is out.
I don't know where I read this but it's worth trying.
I don't know where I read this but it's worth trying.
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Thread Starter
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Outstanding HDF Member
Joined: Apr 2009
Posts: 2,371
Likes: 6
From: near Paris, France
I remember reading somewhere on how to reset the mileage to empty function. It went something like, with the ignition and run switch on, pull the main fuse. Then push in on the trip meter button and hold it in while reinserting the main fuse with the ignition and run switch on. The speedometer should light up and appear frozen or locked up if you will. Release the trip meter button and turn the ignition off. Then turn the ignition on again and see if the light is out.
I don't know where I read this but it's worth trying.
I don't know where I read this but it's worth trying.
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