ARB air locker with ABS defeat (How-to with pics) - Nissan Frontier Forum
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#1 (permalink) Old 04-10-2013, 06:41 PM
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ARB air locker with ABS defeat (How-to with pics)

SUMMARY: The ARB Air Locker switch energizes a relay which does the same function as "pulling the ABS fuse".
(but you can do it from the drivers seat!)

======= SEE FORUM UPDATE MAY 19, 2013 - The NAPA Tap-a-Circuit is BAD for NISSAN fuseblocks
use CT6100: Fuse socket connectors from General Technologies Corp.===========


I installed an ARB air locker in the rear axle (C200) on my 2005 Frontier LE. It provided a major increase in traction as anyone can imagine.

I had never really off-roaded the Frontier before, and now with its increased capability, the truck's ABS made its LAME LAME LAME qualities known and was absolutely infuriating. Reading about this on CF I decided that I wanted ABS OFF whenever the "ARB Air Locker" switch is ON. This is fairly easy to do. Reading Colin123's excellent instructions I figured out how to make it work with my ARB locker switch and a relay. Hope you folks can understand my diagrams & pics. It takes a long time to write this stuff up.

Basically the mod it uses a 5-pin relay in a normally closed position to run the ABS system as normal. When you turn on the locker switch, a "tiny sip of 12v" operates the relay, which breaks the circuit, behaving exactly like pulling the fuse (or like Colin123's switch). Any 12v signal will trigger this relay to open, not just an Air Locker switch.

I am quite curious of what the big-brain folks can figure out with regard to disabling ABS ONLY and not the dash features. If there is some 12v signal off the ECU that NISSAN uses, that would be interesting too, but for now I'm using this brute force method.

In the first pic you can see my ARB compressor switch and the ARB Locker switch. These switches fit PERFECTLY in the Frontier OEM switch holes. I had to remove the Cargo lamp switch, and it is ziptied up there somewhere behind the dash. It still works and I can find it by feeling around for it but it's no longer visible.

Here's how to remove the lower dash panel:



Buy these parts from NAPA. NAPA has a "mini fuseholder" too. You will need about 7 feet of wire too, x2 conductors = 14 feet. Probably should use 18 ga minimum, 14ga or 16ga is good too.
======= SEE FORUM UPDATE MAY 19, 2013 - The NAPA Tap-a-Circuit is BAD for NISSAN fuseblocks
use CT6100: Fuse socket connectors from General Technologies Corp.===========



Here's where to find the ABS fuse under the hood.


Cable goes from left to right across the rear of the engine compartment.

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Last edited by Sodo; 05-20-2013 at 12:45 PM.
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#2 (permalink) Old 04-10-2013, 06:43 PM
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Heres more pics of tapping into the fuseblock and of the relay.

======= SEE FORUM UPDATE MAY 19, 2013 - The NAPA Tap-a-Circuit is BAD for NISSAN fuseblocks
use CT6100: Fuse socket connectors from General Technologies Corp.===========




I did it in such a way that the whole mod can be removed from the truck with no trace except for a hole in the back of the fusebox. The NAPA fuse taps that I used in the pics permanently stretched NISSAN fuseblock sockets. The RadioShack fuse taps are twice as thick and you would never even get them in!

======= SEE FORUM UPDATE MAY 19, 2013 - The NAPA Tap-a-Circuit is BAD for NISSAN fuseblocks
use CT6100: Fuse socket connectors from General Technologies Corp.===========





It's interesting to note that if you have just one measly air locker, the extra wires from the ARB wire bundle (slated for switch#2 for the FRONT locker) are PERFECT to control the relay!

The ARB system could not possibly have anticipated this mod, but the extra wires included sure makes the mod easy and clean.



Here's what the speedo/dash does with the Locker OFF, ON, OFF, while parked, engine off. At this point I have not driven with this mod.



======= SEE FORUM UPDATE MAY 19, 2013 - The NAPA Tap-a-Circuit is BAD for NISSAN fuseblocks
use CT6100: Fuse socket connectors from General Technologies Corp.===========
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Last edited by Sodo; 05-20-2013 at 12:46 PM.
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#3 (permalink) Old 04-10-2013, 11:02 PM
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Nice write up, it looks like you got it. Can't wait to hear update after you've driven it.


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#4 (permalink) Old 04-11-2013, 12:03 AM
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Nicely done. I thought there were fuse taps designed to make that part a little easier?
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#5 (permalink) Old 04-11-2013, 10:52 AM
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Quote:
Originally Posted by Zedbra View Post
Nicely done. I thought there were fuse taps designed to make that part a little easier?
Hey Z, I thought so too, but at the store I realized they were designed to ADD a 2nd circuit.....NOT BREAK a circuit so I didn't buy it. But you got me thinking......

1) about over-stretching the fuseblock slots by doubling the fuse-blade thickness
2) the monkey-business where I added a decoy (disabled) fuse to hold the NAPA fuse taps in.

I gave it some more thought here's a way it can be used. I like it, I may change mine over to that. I prefer NOT to stretch my truck's fuseblock. Haven't figured out what to poke in the slot to get the power out, I'd like something better than the dummy fuse.

No problem though somebody will think of a good way. Anyway here's a pic of how it can be done.


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Last edited by Sodo; 04-11-2013 at 06:42 PM.
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#6 (permalink) Old 04-11-2013, 11:36 AM
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Nice write-up, and good thinking! I'm sure something similar could be used for someone retrofitting a stock e-locker into a vehicle not already equipped with one. I've been considering it for a while, since I am only 2wd and would like the ability to get 2 wheels turning in places one tire spinning isn't enough. I know it would be nowhere near the capability of 4wd, but would be better than a "one-wheel wonder!"

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#7 (permalink) Old 04-11-2013, 12:51 PM
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Nice write-up!
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#8 (permalink) Old 04-11-2013, 01:16 PM
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#9 (permalink) Old 04-11-2013, 03:59 PM
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Quote:
Originally Posted by Zedbra View Post
Sodo - will this work? Blue Ox - Fuse Bypass Switch
Yes it will work. This is a different direction than this thread; BlueOx is a manual method and this thread is how to switch ABS off electrically.

BlueOx does the same as Colin123's switch method except with the BlueOx you still have to open the hood to switch it on/off, and Colin123 has extended his switch to be inside the cab. If you have to open the hood is not really a "mod". If you're OK with opening the hood you might as well just pull fuse#9 and put it back when you're done.

And it puzzles me that BlueOx is on the web, presenting their product 24/7/365 with a micro-photo that you can't see anything about their product. Then you click on it and it becomes 25% bigger and still too small to see. Anyway BlueOx has everything you need to do this, and it has a fuse too. Looks like BX88272 is the one that will work (mini-fuse switch) and you just move your 10A "ABS fuse" into the fuseholder on the BlueOx. Personally I'd just pull the fuse if I had to open the hood.

Last edited by Sodo; 04-11-2013 at 06:43 PM.
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#10 (permalink) Old 04-11-2013, 06:41 PM
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