Gas gauge cap replacement after speedo?
Club Member
Joined: Jan 2005
Posts: 1,633
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From: GA
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Road Captain
Joined: May 2014
Posts: 593
Likes: 7
From: Wausau, WI
Gas gauge cap replacement after speedo?
Ah, I wasn't under the impression they'd both work. I figured the stock one would be inoperable once I get the new speedo.
I just got the HD one.
I just got the HD one.
Club Member
Joined: Jan 2005
Posts: 1,633
Likes: 54
From: GA
When I put the combo gauge on my '08 FXD - the digital gauge on the new gauge was pretty damn close to what was on the old analog gauge... They both run off the same sender after all. But after all this is a Harley we are talking about, and the gauges are about as accurate as reading tea leaves...
Grand HDF Member
Joined: Oct 2012
Posts: 3,758
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From: Boise, ID
I got the 4" (being as mine was 4"s....LOL)
I'm digging it and install was stupid easy.
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Road Captain
Joined: May 2014
Posts: 593
Likes: 7
From: Wausau, WI
So, the pic on HD's site for the speedo shows the gas cap replaced with the flush mount cap... One would think that the hole in the tank would have threads on it so one could throw a gas cap in there....
If I get time, I'll take my fuel cap off the street bob and try it in the hole for the fuel gauge on my fat bob - they have identical caps...
If I get time, I'll take my fuel cap off the street bob and try it in the hole for the fuel gauge on my fat bob - they have identical caps...
Cruiser
Joined: Jun 2013
Posts: 125
Likes: 4
From: Germany
Also, the digital fuel gauge in the speedo will not work properly and constantly show low fuel if the tank gauge is disconnected, as the signal is routed through it. So you have to gut the tank gauge (it will be significantly damaged in the process) and put the circuit part pack in the hole, then install whatever dummy you like. I made some pictures of the disassembled gauge, if you're interested.
There is a also a plug-in circuit available from Performance Machine (http://www.revzilla.com/motorcycle/p...rley-1991-2015), but I have no clue if it works properly.
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From: SWFL
So, the pic on HD's site for the speedo shows the gas cap replaced with the flush mount cap... One would think that the hole in the tank would have threads on it so one could throw a gas cap in there....
If I get time, I'll take my fuel cap off the street bob and try it in the hole for the fuel gauge on my fat bob - they have identical caps...
If I get time, I'll take my fuel cap off the street bob and try it in the hole for the fuel gauge on my fat bob - they have identical caps...
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Road Captain
Joined: May 2014
Posts: 593
Likes: 7
From: Wausau, WI
Gas gauge cap replacement after speedo?
Huh. Now that is not very good planning on HDs part to sell me a dummy cap for $75 when doing this.
Not really interested in gutting it.
Yes my cap has three snap prong things. Was hoping that the lip on the tank was threaded anyway. I pulled my fat Bob one out to peek at it and could barely see anything on account of the wires being so darn short.
Not really interested in gutting it.
Yes my cap has three snap prong things. Was hoping that the lip on the tank was threaded anyway. I pulled my fat Bob one out to peek at it and could barely see anything on account of the wires being so darn short.