Help wiring ARB CKMA 12 compressor to CH4x4 switch

Amanelot · Sep 11, 2018

jrlin718 said: ↑

I used fuse taps

$10 ABN Fuse Tap Fuse Holder & Fuse 5-Pack – 12V Add a Circuit Kit – ATM Low Profile Mini Fuse Blade & 15A AMP Adapter

https://www.amazon.com/ABN-Circuit-...pons&keywords=low+profile+mini+fuse+tap&psc=1

For the dash lights i tapped into the tail light fuse marked "tail" so its only powered when the tail lights and consequently the internal dash lights are illuminated

For the power i tapped into the fuse for the cigarette lighter (Poutlet2).

Hope this helps. The fuse box is right under the dash above the brake pedal.
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God bless the invention of black keyboards.

alanphoto · Sep 11, 2018

Thanx so much for the quick reply!!

Cheers,
AL

COSD · Sep 12, 2018

alanphoto said: ↑

Just picked up my ARB Twin, and have a question about using the CH4X4 switch. The ARB is supposedly a 15 amp switch, but the CH4X4 is only rated for 3 and says it should be wired through a relay. From what I can tell (and I'm not genius when it comes to electrical.....or most anything else) the ARB doesn't utilize a relay. Can anyone shed some light, so to speak, on this situation? Thanx a ton!
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I also have the ARB Twin and used a CH4x4 switch and have had no problems without a relay.

alanphoto · Sep 12, 2018

@COSD Thanx so much for your reply!! I really appreciate it!

AL

Taco Juice · Sep 12, 2018

alanphoto said: ↑

Just picked up my ARB Twin, and have a question about using the CH4X4 switch. The ARB is supposedly a 15 amp switch, but the CH4X4 is only rated for 3 and says it should be wired through a relay. From what I can tell (and I'm not genius when it comes to electrical.....or most anything else) the ARB doesn't utilize a relay. Can anyone shed some light, so to speak, on this situation? Thanx a ton!
Click to expand...

The ARB does have an internal relay, I used a separate relay when adding the CH4x4, call me paranoid, but I don’t want to risk a dash fire

OverlAnderson · Dec 17, 2018

alanphoto said: ↑

Just picked up my ARB Twin, and have a question about using the CH4X4 switch. The ARB is supposedly a 15 amp switch, but the CH4X4 is only rated for 3 and says it should be wired through a relay. From what I can tell (and I'm not genius when it comes to electrical.....or most anything else) the ARB doesn't utilize a relay. Can anyone shed some light, so to speak, on this situation? Thanx a ton!
Click to expand...

so im in the same situation as you were. ive been told the twin has a build in relay so no relay is needed. im assuming you've already got this installed how was the install process?

OverlAnderson · Jan 23, 2019

wired up my ARB dual yesterday. i wired it to my Spod with the 4 wires that go to the switch. I sent the 6guage wires (redx2 and black/white with ground) to the battery. the black and purple were the neg and pos I put to the spod switch. it works great I am just curious on what are the yellow and green wire for? ive capped and stowed them for now

Sandman614 · Jan 23, 2019

Mugshot89 said: ↑

wired up my ARB dual yesterday. i wired it to my Spod with the 4 wires that go to the switch. I sent the 6guage wires (redx2 and black/white with ground) to the battery. the black and purple were the neg and pos I put to the spod switch. it works great I am just curious on what are the yellow and green wire for? ive capped and stowed them for now

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There's a wiring diagram in the install manual.

mrjoshyman · May 27, 2019

so just to confirm, you wired this using the isolation switch harness? rather than switch 1/2? the ARB instruction are garbage

Sandman614 · May 27, 2019

mrjoshyman said: ↑

so just to confirm, you wired this using the isolation switch harness? rather than switch 1/2? the ARB instruction are garbage
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Hard to argue, pictures are hard.

4x4Runner · May 27, 2019

mrjoshyman said: ↑

so just to confirm, you wired this using the isolation switch harness? rather than switch 1/2? the ARB instruction are garbage
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I didn’t have any issues with the diagram or instructions. I have some electrical background so reading the wiring as a schematic made sense to me.

Grey_TRD Tacoma · Sep 17, 2019

I’m glad I found this thread, I’m hoping to install my ARB single this weekend. But I need the OEM switch and switch panel for the cubby hole.

Is everyone’s CH4x4 switch, wired directly in with no relay still going strong?

PilotMM · Feb 4, 2020

DarinL said: ↑

Having just finished installing the ARB CKMA 12V compressor into my 2017 Tacoma, in addition to the excellent advice above, I have some tips to save you trips to the store for incompatible stuff and walking to and from your house and garage a few extra times.

1) Note that the dash switch included with the ARB compressor WILL NOT FIT in the dash of a 2017 Tacoma. Just get one from CH4x4 like everybody else.
2) You will need to have butt splices on hand to tie in the CH4x4 switch. The double black wires to single black wire may need a reducer butt splice if your butt splices are really tiny.
3) Preorder some PET braided wiring harness sleeving and spend some time prepping that in your living room. You'll thank yourself later because it just looks nicer.
4) Get a pile of black cable ties handy so you can cinch everything into place later.
5) Figure out how your compressor is going into your engine bay on the Slee Offroad bracket and then bolt the compressor onto the bracket BEFORE you put the bracket in.
6) Sacrifice one coat hanger to be your hole poker and fish tape for getting through the firewall wiring gasket. Lube the front end of your wire pull and it goes through like butter.
7) There is just enough wire on the ARB harness to wire to battery from the Slee Offroad bracket unless you do a really weird run. Test fit it first before cable ties.
8) Buy two fuse taps, three 15 amp fuses, one 7.5 amp fuse. Note that Toyota has put low profile fuses in the fuse box in the cab and they do not fit back into a fuse tap unless you managed to find a low profile fuse tap. If you got tall fuse taps, then get 4 tall fuses. If you found a low profile fuse tap, then you only need two 15 amp fuses for your fuse taps because you can reuse the stock ones.
9) Get everything dialed in the engine bay but leave unconnected from the battery and ground for now.
10) Prewire your new CH4x4 switch block onto the ARB harness with whatever splices you are using. This is way more fun at a workbench than lying on your back with your doorsill in your spine. There is a good diagram on it at the start of this thread.
11) Get a headlamp for working under the dash. Remove floormat, remove thumbscrew on side panel to left of brake pedal, pop up the front of the door sill by hand, pop out the 2 clips on the side panel.
12) Tiny flat screwdriver to pop the clip on the goofy fuse box lid Toyota came up with. We don't need autonomous vehicles, just a simple, user-friendly fuse box lid will do. And Toyota can feel free to include a table in the future manuals that actually explains what things are connected to what fuses. Having just replaced my 2002 Taco with a 2017 I can't believe how hard the vehicle manufacturers are trying to make it impossible to work on your own vehicle. Grit your teeth and move on.
13) Pull the POUTLET2 fuse. Both are 15 amp fuses so it is impossible to screw up. Plug it in.
14) Pull the IG NO.1 fuse. Put the 7.5 amp fuse closest to the fuse box. Add the new 15 amp fuse furthest from the fuse box. Plug it in.
15) Pull the green CH4x4 switch block up through your dash switch location, plug it into the switch, and push the switch into the dash until it clips into place.
16) Connect your two black wires to the battery ground in the engine bay.
17) Connect your red wire to the red battery terminal bolt.
18) At this point you are ready for a test run. If it's all good, finalize your cable ties and put the cosmetics back together and clean up your tools.
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Thanks!

lamjam · Jun 30, 2020

jrlin718 said: ↑

Hey everyone. I have purchased an installed my ARB CKMA 12 air compressor but the switch that came with the compressor is a 5 pin switch that doesn't fit the factor blank. I purchased the CH4x4 switch to replace the arb switch. I think I have the wiring figured out correctly but would someone look it over before I make the swap. Thanks in advance.

I will wire the to ignition wire (red yellow) to a fuse tap to the cigarette outl et so the compressor has power when the truck is on. I will wire the to dash illumination wire to the tail light fuse so the switch is illuminated when the tail lights and consequently the dash is illuminated.

Click to expand...

So I bought a CH4X4 switch for my compressor. A question I have is that the isolation switch is my on/off switch for the compressor correct? Switch 1 will be the switch for the rear locker correct?

ShimStack · Jul 1, 2020

lamjam said: ↑

So I bought a CH4X4 switch for my compressor. A question I have is that the isolation switch is my on/off switch for the compressor correct? Switch 1 will be the switch for the rear locker correct?
Click to expand...

Correct.

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Help wiring ARB CKMA 12 compressor to CH4x4 switch

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Help wiring ARB CKMA 12 compressor to CH4x4 switch

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