Using headlight leveling switch (AMR5875) to activate ARB compress and lockers - Defender Source
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  #1  
Old September 4th, 2011, 01:25 PM
NomaD110
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Christian
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Using headlight leveling switch (AMR5875) to activate ARB compress and lockers

Maybe someone here can help me,

A guy on the east coast told me that some guys in the UK re-wire the headlight leveling switch on their Defenders to do exactly what I am trying to accomplish.

My NAS defender 110 has a TD5 dash like so:
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I am trying to use the headlight leveling switch to operate the ARB compressor and lockers. I am told that it essentially would work like so:
When on 0: nothing is on
When on 1: Compressor is on
When on 2: Compressor is on, front locker is on
When on 3: Compressor is on, front locker is on, and rear locker is on

I got the switch yesterday and so far with a tester it is not operating the way I was hoping. Inside it has resisters and simply adjusts resistance. Now I am finding that perhaps they might be changing the switch for a blower switch that simply makes connections to one of three different poles and doesn't heat up 1 AND 2 when switched to 2 for example. This would mean that I couldn't have the compressor on and the front locker just either or.
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So I am assuming that I basically have the wrong switch or possibly could remove the resistors and make it work the way I want. Instead of reinventing the wheel I am hoping that someone has done what I am trying to do. Of course the goal here is try and avoid the after market switches and use a blank spot on my dash.

Thanks,
Christian
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  #2  
Old September 4th, 2011, 02:10 PM
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marcus
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can see it working like that.

and you'll need the rear locker in before the front
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  #3  
Old September 4th, 2011, 02:15 PM
NomaD110
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Christian
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Quote:
Originally Posted by T1G UP View Post
can see it working like that.

and you'll need the rear locker in before the front
Yes sorry that's what I meant.
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  #4  
Old September 5th, 2011, 12:50 AM
NomaD110
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Okay so after reading lots of forums it seems that I can not use a Land Rover style switch to do this. I confirmed that the blower fan only heats up the pole that its on. Does anyone know of a rotary style switch that maintains each of the previous poles hot as it turns to higher positions?
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Old September 5th, 2011, 11:56 AM
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Gary Waggoner
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Yep. 93-97 Landcruiser with factory lockers. Switch is available from Toyota
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  #6  
Old September 5th, 2011, 01:07 PM
NomaD110
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Christian
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Quote:
Originally Posted by waggoner5 View Post
Yep. 93-97 Landcruiser with factory lockers. Switch is available from Toyota
Thanks. I'll post what I end up doing.
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  #7  
Old September 6th, 2011, 02:47 PM
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My suggestion would be to use a Rover 100 (Metro) Heater Fan Switch YUK10003

This is a straight-forward - Off/3-Postion Rotary Switch, which is dimensionally identical to the Defender Headlight Adjuster Switch.


You can get one NEW on eBay UK (without Knob or Locknut) for 4.95 + 8.25 P&P to the USA

http://cgi.ebay.co.uk/METRO-HEATER-F...-/260209545290

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The Knob and Locknut from a Headlamp Levelling Switch (which comes complete with them) will also fit the Metro Blower Switch, but the Blower Knob has just a white line on it instead of a Lamp symbol -

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Alternatively, both the Knob and the Locknut have Rover Cars and Land Rover Part No's

Knob - Metro Heater/Blower - YUM10001 - 5.20

Knob - Discovery 1 Rear Aircon & Defender 50th Heater Fan/Aircon - YUM10001L - 5.64


Locknut - Metro Heater - YUN10001 - 0.01

Locknut - Discovery 1, Rear Aircon - YUN10001L - No Longer Available


Prices are from Rimmer Brothers - http://www.rimmerbros.co.uk/



Here's how the Blower Switch is wired -

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You could use this switch with 2 x Diodes, so that -

Position 1 - Feeds Terminal 6

Position 2 - Feeds Terminal 2 + Terminal 6 via the Diode

Position 3 - Feeds Terminal 5 + Terminal 2 via the Diode + Terminal 6 via the other Diode


.
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  #8  
Old September 6th, 2011, 04:01 PM
NomaD110
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Christian
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Yes diodes are the answer. Thank you. I am going to order the stuff. Any recommendations on what diodes I should use?

Thanks.
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