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I know this is something that has been discussed a lot. Also, I know many have done the "fix". Many have just been dealing with it. I've dealt with it, too, just like I'm still dealing with the "runny" gauges on my '14 Ultra Limited, even though someone at H-D said they were working on a resolution. Yeah, right.
A while back, I saw that the part number for the fogging instrument cluster had been changed three times from 70900644 to 70900644A to 70900644B. Hopefully, because of the part revisions, H-D finally realized this was a problem and they finally solved it. Hopefully.
So, I contacted my dealer today. Without hesitation, they told me that they are ordering a new instrument cluster for my '20 Heritage Classic 114 and that it will be covered under warranty.
Has anyone installed or had installed the 70900644B instrument cluster and, if so, did doing so solve the fogging issue?
Wondering the same thing on the new CVO. RG and SG tv screens. How will they handle the moisture once the weather starts to change.
Wondering the same thing on the new CVO. RG and SG tv screens. How will they handle the moisture once the weather starts to change.
The moisture in the instrument cluster on my 20 Heritage Classic and the runny gauges on my 14 Ultra Limited are not the same type of issues. I have no idea about the TV screens.
A hour parked in the sunlight usually does the trick
That's roughly what I usually experience. About an hour or so ride on a sunny day and the fog cooks off. That's why I've never been that motivated to do something about it.
If I where to attempt drilling holes... I might take a look at this video...
I'm guessing it might be better to attempt to put a pin sized hole in the side of the speedo's outer case instead of drilling a hole in the bottom. That way if you go a tad too deep you only encounter the outer plastic shell of the inner assembly (vs. the PCB, electronic components etc.). If one's theory is that getting the thing to breath is the answer, then it seems you would only need to break the seal to achieve that. Maybe around this location...
Alternatively, maybe anywhere around the 3 or 4 O'clock position might work equally as well. Or maybe 8 or 9 O'clock.
Of course this all assumes that breathing is the answer. Going by other's post alone, seems like it might be dubious.
That's roughly what I usually experience. About an hour or so ride on a sunny day and the fog cooks off. That's why I've never been that motivated to do something about it.
If I where to attempt drilling holes... I might take a look at this video...
I'm guessing it might be better to attempt to put a pin sized hole in the side of the speedo's outer case instead of drilling a hole in the bottom. That way if you go a tad too deep you only encounter the outer plastic shell of the inner assembly (vs. the PCB, electronic components etc.). Seems you would only need to break the seal for it to breath and this might do it. Maybe around this location...
Alternatively, maybe anywhere around the 3 or 4 O'clock position might work equally as well. Or maybe 8 or 9 O'clock.
Anyway... My 2 cents.
I've watched that too ... I'm not that motivated either
I tried the "drill a couple of holes in the back" routine a couple of years ago on my 2018 Heritage speedometer to eliminate the fogging issue. I, too, hit the circuit board and had to replace the entire unit. None in stock locally and a months long estimate to get a new one. Found a replacement about 180 miles away at another dealership. No fogging on the replacement. Bought a new Heritage in Nov-2022 and it has not fogged up once. I guess HD has fixed the problem.
My advice: get a replacement and don't try to drill holes in the back of your speedometer.
My 2020 LRS was bad for this speedo fogging, but so far my 2022 LRS has had none which is appreciated, the foggy speedo imo is a hazard especially when you need to look down at the tank mounted ones taking your eyes of the road longer than one should
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