Side view mirror?
Race Director
Joined: Mar 2007
Posts: 11,445
Likes: 8,609
https://static.nhtsa.gov/odi/tsbs/20...05573-9999.pdf
Thread Starter
Racer
Joined: May 2020
Posts: 306
Likes: 183
From: Colorado
Yup. That's 100% my issue.
I used the Blendmount tap for my radar detector.
Has been working fine for months. Last night was first time I had driven the car at night.
Good news is the replacement part is pretty cheap. I won't be using the Blendmount tap again.
Thanks for the replies.
I used the Blendmount tap for my radar detector.
Has been working fine for months. Last night was first time I had driven the car at night.
Good news is the replacement part is pretty cheap. I won't be using the Blendmount tap again.
Thanks for the replies.
Pro
Joined: Sep 2005
Posts: 674
Likes: 855
From: DFW
Yup. That's 100% my issue.
I used the Blendmount tap for my radar detector.
Has been working fine for months. Last night was first time I had driven the car at night.
Good news is the replacement part is pretty cheap. I won't be using the Blendmount tap again.
Thanks for the replies.
I used the Blendmount tap for my radar detector.
Has been working fine for months. Last night was first time I had driven the car at night.
Good news is the replacement part is pretty cheap. I won't be using the Blendmount tap again.
Thanks for the replies.
Hate to say it, but it's not the tap, it's how you wired it. You wired it wrong. You wired the black connector incorrectly, in the gray wire connection rather than the black connection.
Unfortunately, they are adjacent to each other and can easily be connected wrong. If it's any consolation, others have made the same mistake. I've wired six (6) C8's and will tell you, that I've never had this issue, since I was aware of it ahead of time. It's very easy to mis-connect the wires since it is a very tight space/connection. Sorry, it happened to you.
Last edited by hamta; Jun 10, 2026 at 06:20 PM. Reason: fix typos
Thread Starter
Racer
Joined: May 2020
Posts: 306
Likes: 183
From: Colorado
Hate to say it, but it's not the tap, it's how you wired it. You wired it wrong. You wired the black connector incorrectly, in the gray wire connection rather than the black connection.
Unfortunately, they are adjacently to each other and can easily be connected wrong. If it's any consolation, others have made the same mistake. I've wired six (6) C8's and will tell you, that I've never had this issue, since I was aware of it ahead of time. It's very easy to mis connect the wires since it is a very tight space/connection. Sorry, it happened to you.
Unfortunately, they are adjacently to each other and can easily be connected wrong. If it's any consolation, others have made the same mistake. I've wired six (6) C8's and will tell you, that I've never had this issue, since I was aware of it ahead of time. It's very easy to mis connect the wires since it is a very tight space/connection. Sorry, it happened to you.
Good news is the glass replacement is only $130 and takes about 10 minutes to pop off and replace, so not a horrible mistake.
I do think Blendmount (and others if they use the same style tap) should be more clear about what can happen.
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Thread Starter
Racer
Joined: May 2020
Posts: 306
Likes: 183
From: Colorado
This is supposition on my part...it worked fine for two months. But last night was the first time since install that I had driven at night. So something in the auto-dimming system is what I accidentally connected to. Didn't trigger until a night drive.
Melting Slicks
Joined: Jun 2007
Posts: 2,742
Likes: 1,862
From: Myrtle Beach SC/Charlotte NC
Interesting…I was trying to figure out how this could afect the mirror and came up with this
So it must be that additional voltage that wacks the mirror..
- Red to chassis ground: approximately +12V to +14V
- White to chassis ground: approximately 0V
- Red to white: approximately +12V to +14V
So it must be that additional voltage that wacks the mirror..