Whats wrong with my light??

48pop · Dec 24th, 2007, 09:36

Hi Folks,

Lack of an interior light is a pain !!

Can someone tell me what is wrong with mine?? I have 3 backplates, they all look the same and I can't work out whats missing ! The switch is insulated from the base and makes no contact with the terminals.....Are ALL of my backplates worn out\broken??

BillKat · Dec 24th, 2007, 10:45

Stoopid question, but there is power going to the lighting wires? Blubbs test out OK across a 12v source?

If the bulbs work, and there is 12v at the wiring, then logically I guess it has to be the light units. They don't earth through the body, do they? Mine's Ok so not had occasion to examine its workings, yet.

Clan · Dec 24th, 2007, 10:54

As i see it . the live will go in on the right hand terminal . there will be a constant eath on one of the other terminals and the third terminal will go to the door switches to earth out when a door is opened ....

Does the switch lever move the metal contact connected to the left hand bulb terminal to the left and right terminals by the switch when the switch lever is moved??

Derek UK · Dec 24th, 2007, 12:37

The little ball that rolls back and forth when you move the switch lever is missing........................... This completes the circuit.

Dec 24th, 2007, 12:38

There is supposed to be a ball bearing in the end of the plastic part, that's what makes the contact. It's missing.

48pop · Dec 24th, 2007, 13:13

Ahhh....now I see....Now where the heck am I gonna find a wee ballbearing !

I have 3 baseplates, and no ballbearing!

Does anyone have a lightfitting they would like to sell....Get me out of the dark ages?

Clan · Dec 24th, 2007, 13:25

i see now .. you need a small ball bearing AND a spring it could be fixed ...

Ron Kwas · Dec 24th, 2007, 14:39

Gerry;

It's not the most precise mechanism, so the spring and ball like to pop out of place and get lost, especially if the control lever is bent such that there is more room for both to escape, or if the contact area is dry causing erratic movement to the side...I'd try fitting a BB and a few windings from a spring from a pen...once you've assured a good fit and function, dab on a spot of synthgrease.

Hook-up, see also (http://www.sw-em.com/122S%20Wiring%20Diagram.jpg Items 27, 28):
Black (power) wire is connected to the terminal at lamp on left.
Blue (door contact) wire is connected to the contact which (by inspection is determined) not to be connected to chassis when plate is mounted. (Sorry it's early and cold, and I don't feel like going outside to check this out, in my jammies!)

Greetings of the Season from New England!

Dec 24th, 2007, 09:36	#1
48pop Senior Member Last Online: Feb 13th, 2019 21:41 Join Date: Apr 2007 Location: Near Glasgow	Whats wrong with my light?? Hi Folks, Lack of an interior light is a pain !! Can someone tell me what is wrong with mine?? I have 3 backplates, they all look the same and I can't work out whats missing ! The switch is insulated from the base and makes no contact with the terminals.....Are ALL of my backplates worn out\broken?? __________________ ________________________________________ Gerry (nr Glasgow) Last edited by 48pop; Dec 24th, 2007 at 09:50.

Dec 24th, 2007, 10:54	#3
Clan Experienced Member Last Online: Yesterday 22:27 Join Date: Jun 2007 Location: L/H side	As i see it . the live will go in on the right hand terminal . there will be a constant eath on one of the other terminals and the third terminal will go to the door switches to earth out when a door is opened .... Does the switch lever move the metal contact connected to the left hand bulb terminal to the left and right terminals by the switch when the switch lever is moved?? __________________ My comments are only based on my opinions and vast experience .

Dec 24th, 2007, 13:13	#6
48pop Senior Member Last Online: Feb 13th, 2019 21:41 Join Date: Apr 2007 Location: Near Glasgow	Ahhh....now I see....Now where the heck am I gonna find a wee ballbearing ! I have 3 baseplates, and no ballbearing! Does anyone have a lightfitting they would like to sell....Get me out of the dark ages? __________________ ________________________________________ Gerry (nr Glasgow)

Dec 24th, 2007, 13:25	#7
Clan Experienced Member Last Online: Yesterday 22:27 Join Date: Jun 2007 Location: L/H side	i see now .. you need a small ball bearing AND a spring it could be fixed ... __________________ My comments are only based on my opinions and vast experience .

Dec 24th, 2007, 10:45	#2
BillKat Senior Member Last Online: May 27th, 2024 16:53 Join Date: Dec 2003 Location: Cambs	Stoopid question, but there is power going to the lighting wires? Blubbs test out OK across a 12v source? If the bulbs work, and there is 12v at the wiring, then logically I guess it has to be the light units. They don't earth through the body, do they? Mine's Ok so not had occasion to examine its workings, yet.

Dec 24th, 2007, 12:37	#4
Derek UK VOC Member Last Online: Yesterday 13:16 Join Date: Jul 2006 Location: Chatham	The little ball that rolls back and forth when you move the switch lever is missing........................... This completes the circuit.

Dec 24th, 2007, 12:38	#5
Fivehundred Guest Location:	There is supposed to be a ball bearing in the end of the plastic part, that's what makes the contact. It's missing.

Dec 24th, 2007, 14:39	#8
Ron Kwas Premier Member Last Online: Yesterday 20:57 Join Date: Jul 2007 Location: Connecticut, USA	Gerry; It's not the most precise mechanism, so the spring and ball like to pop out of place and get lost, especially if the control lever is bent such that there is more room for both to escape, or if the contact area is dry causing erratic movement to the side...I'd try fitting a BB and a few windings from a spring from a pen...once you've assured a good fit and function, dab on a spot of synthgrease. Hook-up, see also (http://www.sw-em.com/122S%20Wiring%20Diagram.jpg Items 27, 28): Black (power) wire is connected to the terminal at lamp on left. Blue (door contact) wire is connected to the contact which (by inspection is determined) not to be connected to chassis when plate is mounted. (Sorry it's early and cold, and I don't feel like going outside to check this out, in my jammies!) Greetings of the Season from New England!

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