Page Index Toggle Pages: 1 Send TopicPrint
Normal Topic Charge lamp - blue wire no voltage? (Read 203 times)
black pearl
YaBB Newbies
*
Offline


I Love YaBB 2!

Posts: 31
Location: Thornbury, Melbourne, Australi
Joined: 09/19/15
Gender: Male
Charge lamp - blue wire no voltage?
01/01/18 at 22:55:33
Post Tools
Hi Guys

I've been slowly working on installing a Motogadget M-unit Blue on my R65. I've also installed the ChronoClassic too.

I've managed to get most of it working except for the charging lamp? Am I right to expect to get a voltage on the blue wire coming from the starter when ignition is on.

I've had a 12v incandescent, and now one of the original globes.

Any ideas?
  
Back to top
 
IP Logged
 
georgesgiralt
God Member
*****
Online


I Love YaBB 2!

Posts: 1154
Location: France
Joined: 10/14/12
Gender: Male
Re: Charge lamp - blue wire no voltage?
Reply #1 - 01/02/18 at 00:14:21
Post Tools
No voltage on the blue wire at the bulb when engine not running.
It is a ground. This make the bulb glow brightly.
When the engine runs, the alternator output some voltage so this wire goes from 0V up to battery voltage at which point the bulb has two positives on it's terminal and, thus, stop glowing.
  
Back to top
 
IP Logged
 
black pearl
YaBB Newbies
*
Offline


I Love YaBB 2!

Posts: 31
Location: Thornbury, Melbourne, Australi
Joined: 09/19/15
Gender: Male
Re: Charge lamp - blue wire no voltage?
Reply #2 - 01/02/18 at 00:43:26
Post Tools
hi George

Of course....I get it now. Will go try that and I'll report back.
  
Back to top
 
IP Logged
 
black pearl
YaBB Newbies
*
Offline


I Love YaBB 2!

Posts: 31
Location: Thornbury, Melbourne, Australi
Joined: 09/19/15
Gender: Male
Re: Charge lamp - blue wire no voltage?
Reply #3 - 01/02/18 at 03:14:03
Post Tools
Thanks for the tip.

Worked a treat. I mistakenly thought the blue was hot and the return from the globe when to earth.

All good now.
  
Back to top
 
IP Logged
 
Page Index Toggle Pages: 1
Send TopicPrint