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boode



Member Since: 11 Apr 2012
Location: Devon
Posts: 438
England 2003 Defender 90 Td5 HT Rutland Red
ARB Compact Compressor Wiring
I have an ARB On Board Compact Compressor (the one designed specifically to operate the Air Lockers)
But I have no wiring diagram for it

Not intended for lockers - need an air supply to create bubbles for a farm implement blob marker

the 6 wires are-
Yellow with a spade connector ???
Black with a spade connector ???
Red and Black marked as Battery +ve and -ve - which are self explanatory
Red marked Ignition +ve - so it can only be operated when engine running
Black marked Difflock -ve ???

I simply need it to turn on and off

Any advice or help much appreciated
Post #1074265 28th Aug 2025 6:23pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8438
 2011 Defender 110 Puma 2.4 USW Stornoway Grey
Does it work when you connect red and black up?

Think they have a warth suited relay off a pressure switch but if you just want on function then just use +ve and -ve througha relay. Cheers

James
110 2010 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #1074281 28th Aug 2025 9:06pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8438
 2011 Defender 110 Puma 2.4 USW Stornoway Grey
Think the yellow is a switched live to air locker switch which you don't need. Cheers

James
110 2010 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #1074282 28th Aug 2025 9:09pm
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Mago



Member Since: 25 Apr 2021
Location: Frankfurt
Posts: 41
Germany 
Here we go:


Click image to enlarge

Very Happy Defender 90 TD5
Defender 110 Puma 2.4
Post #1074850 6th Sep 2025 9:14am
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boode



Member Since: 11 Apr 2012
Location: Devon
Posts: 438
England 2003 Defender 90 Td5 HT Rutland Red
Perfect - thank you
Post #1074854 6th Sep 2025 11:10am
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