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2015 Mazda 3 SGT, 6spd MT
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Discussion Starter · #1 ·
I'm replacing the switch for my hatch because it's worn away. Since the rear camera wiring works off the same wiring as the hatch switch, when it wears away it affects the way the camera works. Has anyone found a way to cover the switch to protect it from the weather to avoid this problem?
 

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2018 Mazda 3 GT
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I haven't seen any posts about it. Would be nice if there was an alternative material or coating you could apply.

There really should be a hatch release button for our keys too. Pretty standard feature on most cars.
CK
 

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2015 Mazda 3 SGT, 6spd MT
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Discussion Starter · #3 ·
On second thought, what about Plasti Dip? The malleable sealing might be enough to cover the original rubber on the switch and add an extra layer of protection.
 

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On second thought, what about Plasti Dip? The malleable sealing might be enough to cover the original rubber on the switch and add an extra layer of protection.
I expect RTV silicone would be more resilient, but harder to work with. Sugru is easy to work with and it's resilient -- but I'm not sure how its adherence stands up to years of outdoor exposure.
 

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2015 Mazda 3 SGT, 6spd MT
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Discussion Starter · #6 ·
Found Plasti Dip at Ace Hardware. Directions are simple enough, now the question is how many times do I coat it? If I really want it to be protected by elements I was thinking at least 4 or 5. Any suggestions?
 

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Found Plasti Dip at Ace Hardware. Directions are simple enough, now the question is how many times do I coat it? If I really want it to be protected by elements I was thinking at least 4 or 5. Any suggestions?
I don't have experience with PlastiDip for this type of usage. I suggest putting a 2 or 3 layers on a flexible material like paper, fabric, or rubber, so you can let it cure and then assess whether it'll crack with the sort of deformation that happens with the switch. I suspect that using too thick of a coating would hasten cracking of the coating.
 

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2015 Mazda 3 SGT, 6spd MT
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Discussion Starter · #8 ·
There's the Plasti Dip that was used. The labelling is misleading because the actual color is black but it makes you think its yellow on the container. It ended up being thicker than I thought, so I stuck with two coats and filled in some holes after it all dried. Feels a little different because of the rubber that is over it now, but pressing the button does not seem to be an issue at the moment. Hopefully it holds out well over time.
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