General Topics/Tech Tips Discussion on break in periods, rider comfort, seats and pad suggestions. Tech tips as they become available will be posted here.

Anyone use 12 volt power supply for scanner?

Thread Tools
 
Search this Thread
 
Old Mar 3, 2024 | 07:38 AM
  #1  
Rounders's Avatar
Rounders
Thread Starter
|
Seasoned HDF Member
Community Builder
Liked
Loved
Community Favorite
Joined: Mar 2021
Posts: 18,460
Likes: 3,723
From: backwoods
Default Anyone use 12 volt power supply for scanner?

Anyone use a 12 volt source to power scanners rather than powering off bike?

Probably waste of money since you got to pull side cover off anyways. But would be cool especially if hooking up to other people's bikes.
 
Reply
Old Mar 4, 2024 | 02:05 AM
  #2  
Glenn Gorman's Avatar
Glenn Gorman
Stellar HDF Member
5 Year Member
Liked
Loved
Community Favorite
Joined: Jul 2020
Posts: 2,297
Likes: 1,811
From: space
Default

Huh? Police scanner? Credit Card scanner? UFO scanner?
 
Reply
Old Mar 4, 2024 | 07:01 AM
  #3  
Rounders's Avatar
Rounders
Thread Starter
|
Seasoned HDF Member
Community Builder
Liked
Loved
Community Favorite
Joined: Mar 2021
Posts: 18,460
Likes: 3,723
From: backwoods
Default

Originally Posted by Glenn Gorman
Huh? Police scanner? Credit Card scanner? UFO scanner?
I am surprised you didn't ask what 12 volts of what. I'll assume you have not.
 
Reply
Old Mar 5, 2024 | 01:40 AM
  #4  
Glenn Gorman's Avatar
Glenn Gorman
Stellar HDF Member
5 Year Member
Liked
Loved
Community Favorite
Joined: Jul 2020
Posts: 2,297
Likes: 1,811
From: space
Default

Don't need to with a 12volt system. But I see that no one else has replied.
 
Reply
Old Mar 5, 2024 | 05:43 AM
  #5  
Andy from Sandy's Avatar
Andy from Sandy
Seasoned HDF Member
Community Influencer
Liked
Top Answer: 3
Top Answer: 5
Joined: Sep 2017
Posts: 12,258
Likes: 4,947
From: England
Default

It seems we are still none the wiser as to what scanner you refer.

Now if you mean an OBD scanner then if it is made for the HD bike it will pick up the power that is provided at the 6 pin connector.

To pull the power and ground pins from the plug and use an isolated power supply will probably not work as the negative wires will not be connected and referenced at the same ground plain. The scanner will thus probably not work.
 

Last edited by Andy from Sandy; Mar 5, 2024 at 05:47 AM.
Reply
Old Mar 5, 2024 | 05:53 AM
  #6  
Mallard Slayer's Avatar
Mallard Slayer
Road Warrior
Photogenic
Shutterbug
Liked
Top Answer: 10
Joined: Jan 2018
Posts: 1,994
Likes: 4,532
From: Bismarck N.D.
Default

 
Reply
Old Mar 5, 2024 | 06:59 AM
  #7  
Rounders's Avatar
Rounders
Thread Starter
|
Seasoned HDF Member
Community Builder
Liked
Loved
Community Favorite
Joined: Mar 2021
Posts: 18,460
Likes: 3,723
From: backwoods
Default

Originally Posted by Andy from Sandy
It s

Now if you mean an OBD scanner then if it is made for the HD bike it will pick up the power that is provided at the 6 pin connector.

To pull the power and ground pins from the plug and use an isolated power supply will probably not work as the negative wires will not be connected and referenced at the same ground plain. The scanner will thus probably not work.
Originally Posted by Rounders
Anyone use a 12 volt source to power scanners rather than powering off bike?

Probably waste of money since you got to pull side cover off anyways. Bs.
yes I know how to use it. Interesting idea about ground reference. i work with DC systems. Main systems are grounded, and you can read + and minus to ground, but other systems are not and you can only read across, but not to ground.

It would depend how it is using the power. Is it just power its brains up and closing dry contacts or wetting something through the scanner. I suspect it is operating dry contacts, that are being supplied by the bike itself. But I am curious and good question.
 
Reply
Old Mar 5, 2024 | 07:26 AM
  #8  
Rounders's Avatar
Rounders
Thread Starter
|
Seasoned HDF Member
Community Builder
Liked
Loved
Community Favorite
Joined: Mar 2021
Posts: 18,460
Likes: 3,723
From: backwoods
Default

Originally Posted by Mallard Slayer
Yes it is over your head. I am not sure there is any youtube how to video you can watch.
 
Reply
HD Forum Stories

The Best of Harley-Davidson for Lifelong Riders

story-0

7 Times Harley-Davidson Chucked Tradition Out the Window

 Verdad Gallardo
story-1

7 Surprising Harley-Davidson Products that Are Not Motorcycles

 Verdad Gallardo
story-2

8 Best Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-3

10 Worst Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-4

Killer Custom's Jail Break Is The Breakout That Refused to Blend In

 Verdad Gallardo
story-5

Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

 Verdad Gallardo
story-6

Harley-Davidson Reveals Super Cool Cafe Racer Concept

 Verdad Gallardo
story-7

Engraved Rebellion: Inside Bundnerbike's Glam Rock II

 Verdad Gallardo
story-8

10 Motorcycles You Should Never Buy

 Joe Kucinski
story-9

10 Things Harley-Davidson Needs to Fix in 2026

 Verdad Gallardo
Old Mar 5, 2024 | 08:29 AM
  #9  
KK0G's Avatar
KK0G
Road Captain
5 Year Member
Liked
Loved
Community Favorite
Joined: Oct 2020
Posts: 518
Likes: 593
From: Central Iowa
Default

WTF???
 
Reply
Old Mar 5, 2024 | 09:25 AM
  #10  
Rounders's Avatar
Rounders
Thread Starter
|
Seasoned HDF Member
Community Builder
Liked
Loved
Community Favorite
Joined: Mar 2021
Posts: 18,460
Likes: 3,723
From: backwoods
Default

The question is, is the power the scanner using simply to power up to device, or is it mixing power with bike.
 
Reply



All times are GMT -5. The time now is 04:24 PM.

story-0
7 Times Harley-Davidson Chucked Tradition Out the Window

Slideshow: Harley-Davidson built its reputation on nostalgia, but every so often, the company took a hard left turn into the future.

By Verdad Gallardo | 2026-05-20 11:18:19


VIEW MORE
story-1
7 Surprising Harley-Davidson Products that Are Not Motorcycles

Slideshow: The bar-and-shield logo shows up on far more than motorcycles, some of the company's most unexpected products have nothing to do with riding.

By Verdad Gallardo | 2026-04-29 16:50:35


VIEW MORE
story-2
8 Best Harley-Davidson Motorcycles Ever

Slideshow: Not every Harley gets it right, but these are the ones that genuinely earned their reputation.

By Pouria Savadkouei | 2026-04-15 14:23:21


VIEW MORE
story-3
10 Worst Harley-Davidson Motorcycles Ever

Slideshow: From the troubled AMF years to modern misfires, these bikes earned reputations for reliability issues, questionable engineering, or disappointing performance.

By Pouria Savadkouei | 2026-04-01 20:01:09


VIEW MORE
story-4
Killer Custom's Jail Break Is The Breakout That Refused to Blend In

Slideshow: Killer Custom's "Jail Breaker" build focuses more on stance and visual aggression than mechanical overhaul.

By Verdad Gallardo | 2026-03-18 19:20:32


VIEW MORE
story-5
Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

Slideshow: The Swiss custom shop has taken a Harley Softail and stretched it into something so long and low that it looks closer to a rolling sculpture than a conventional motorcycle.

By Verdad Gallardo | 2026-03-07 16:15:30


VIEW MORE
story-6
Harley-Davidson Reveals Super Cool Cafe Racer Concept

Slideshow: Harley-Davidson's new RMCR concept revives the café racer formula with modern hardware-and it may be exactly the reset the company needs.

By Verdad Gallardo | 2026-03-04 12:23:37


VIEW MORE
story-7
Engraved Rebellion: Inside Bundnerbike's Glam Rock II

Slideshow: A standard cruiser becomes an intricate metal canvas in the hands of a Swiss custom house known for pushing Harley-Davidson platforms far beyond their factory brief.

By Verdad Gallardo | 2026-02-24 18:19:44


VIEW MORE
story-8
10 Motorcycles You Should Never Buy

Slideshow: There is no shortage of great motorcycles to buy, but we would avoid these ten.

By Joe Kucinski | 2026-02-19 14:50:51


VIEW MORE
story-9
10 Things Harley-Davidson Needs to Fix in 2026

Slideshow: Harley-Davidson's challenges aren't abstract; they show up in dropping shipments, shrinking dealer traffic, and strategic decisions that aren't yet translating into growth.

By Verdad Gallardo | 2026-01-13 18:33:17


VIEW MORE